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C2180-317 exam Dumps Source : IBM WebSphere App Server Network Deployment V8.0- Core Admin
Test Code : C2180-317
Test title : IBM WebSphere App Server Network Deployment V8.0- Core Admin
Vendor title : IBM
: 61 real Questions
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On the puss of it the question would eye evidently amenable to the adage that for any headline with a query imprint in it the reply is no. however a few months in the past at a convention i used to live talking to somebody steeped in the world of open source standardisation, having been a fragment of the Node.js ecosystem for years and he pointed out:
“For the first time in a long long time i am fearful of IBM.”
For these of you too puerile to abide in irony the olden days IBM become the Google of its day, the Microsoft of its day, the AWS of its day. because the saw went: “IBM isn’t the competition, it’s the ambiance during which you compete.” IBM became fully preeminent in records core computing over a *long* length of time, until a mix of antitrust law, trade structural alterations, and administration blunders compelled the enterprise on to the again foot. The tenure of Louis Gerstner on the helm of IBM changed into a slight bit dote Satya Nadella’s swirl at Microsoft – with a renaissance in keeping with open requisites, open source, and being a pretty expedient group partner. by the time I entered the industry IBM changed into nevertheless an impressive player, but no longer the monster of ancient. It soundless had large repercussion over traffic resolution making. If IBM talked about a technology became equipped for the enterprise then by definition it was. IBM made Java an enterprise normal. IBM made Linux an commercial enterprise ordinary. IBM made open source a realistic traffic resolution. IBM didn’t just motivate purchasers to adopt these technologies besides the fact that children – it demanded affect, a seat at the necessities-atmosphere table, with the aid of contributing developer hours, funds, and possess an repercussion on. The Apache application groundwork. The Eclipse basis. Latterly the Linux groundwork. IBM did more than anybody to establish open source implementation as the modern style of trade requirements environment. IBM’s influence is soundless very colossal in shameful of those open supply foundations, placing its weight behind the Linux groundwork’s evolution to additionally manage the Node.js foundation and The Cloud indigenous Computing foundation.
So prerogative here we're in 2019, IBM soundless has that seat at the table, and now it’s acquiring crimson Hat, which additionally had a sizable footprint in these communities. The deal to purchase pink Hat is exactly what made the adult above afraid. Java, Linux, Node.js and Kubernetes – IBM has a powerful play in shameful of these communities. while Java and Linux are very lots ripen commodity applied sciences, Node remains setting up itself as an traffic average. commercial enterprise adoption of Kubernetes, and associated application tasks reminiscent of Prometheus and Grafana, in the meantime, is going to contour the traffic over the following couple of years. IBM + crimson Hat is an exceedingly powerful possess an sequel on bloc.
my very own retract is that, above shameful as many within the traffic open supply vendor house concern the duty of internet infrastructure companies, in particular Amazon web capabilities, the influence of IBM should probably live welcomed. these days at IBM’s believe event my colleague Stephen O’Grady seemed on stage with IBM CEO and Chairman Ginny Rometty talking in regards to the ongoing censorious of open supply to IBM and the business. The red Hat deal is profession defining for her, and should actually live vastly influential in trade instructions for the near future. survey the chart above from a do up through Tomasz Tunguz at Redpoint Ventures for a sense of the dimensions of wager being made prerogative here. As Tunguz argues:
crimson Hat offers three agencies of software items: operating device (Linux and virtualization); application progress (utility server/JBoss); modern Infrastructure (OpenShift, OpenStack and Ansible). profits contribution across these categories is sixty four%, 23% and 13%. The core infrastructure (operating device and app building) are definitely top notch groups, growing to live between 10-25% annually. the modern Infrastructure is the quickest growing, doubling 12 months over 12 months.
I regard pink Hat’s OpenShift platform because the chief in traffic platform-as-a-carrier. OpenShift gives a synchronous progress atmosphere for application engineers. OpenShift simplifies the deployment and administration of advanced applied sciences dote Kubernetes for huge organisations.
So IBM has an exceptional protective/self-cannibalisation opportunity around Websphere, a growth company in Linux, but the precise kicker for boom is pink Hat OpenShift, as they circulate into what I actually possess report as a secular shift round Kubernetes. literally every commercial enterprise they converse is asking at Kubernetes because the foundation for a tremendous infrastructure overhaul – everybody runs K8s or is going to. Google is soundless the foremost contributor to Kubernetes, however pink Hat has accomplished greater than any one else to even the burden.
So carry out folks possess intent to worry? i am pretty confident in the leadership of IBM individuals dote Todd Moore, VP of Open know-how, and their capacity to carry out the prerogative thing for the trade as a whole, but it turned into soundless definitely entertaining to hear someone from the traffic yelp they were now terrified of IBM, on account of its dominance in a number of valuable trade necessities. It’s been a very long time because that became the case.
additional reading – my boy Stephen wrote a really exceptional publish in regards to the IBM crimson Hat consolidation play.
full disclosure: AWS, IBM, red Hat, Microsoft and Google are shameful valued clientele.submit Views: 362 linked
(examine this and other exquisite posts @ RedMonk)
A vulnerability was institute in IBM WebSphere application Server 7.0/eight.0/eight.5/9.0 (software Server application) and classified as crucial. plagued by this situation is fragment of the factor TLS Configuration. The manipulation with an unknown enter ends up in a susceptible encryption vulnerability (Man-in-the-center). using CWE to declare the issue ends up in CWE-300. Impacted is confidentiality, integrity, and availability.
The frail point become posted 02/19/2019. The advisory is shared for download at change.xforce.ibmcloud.com. This vulnerability is dealt with as CVE-2018-1996 because 12/13/2017. The exploitation is wide-spread to live complex. The storm may live launched remotely. No sort of authentication is required for exploitation. There are neither technical details nor an build the most publicly obtainable. The present cost for an retract odds of could live approx. USD $5k-$25k (estimation calculated on 02/20/2019).
There is not any guidance about viable countermeasures time-honored. It may live counseled to change the affected expostulate with an alternative product.CPE CVSSv3 VulDB Meta basis ranking: 5.6VulDB Meta Temp ranking: 5.6
VulDB basis ranking: 5.6VulDB Temp ranking: 5.6VulDB Vector: 🔒VulDB Reliability: 🔍CVSSv2 VulDB basis rating: 🔒VulDB Temp ranking: 🔒VulDB Reliability: 🔍Exploiting category: susceptible encryption / Man-in-the-middle (CWE-300)native: NoRemote: sure
cost Prediction: 🔍existing fee Estimation: 🔒risk Intelligence probability: 🔍Adversaries: 🔍Geopolitics: 🔍economic system: 🔍Predictions: 🔍moves: 🔍 Countermeasures counseled: no mitigation known0-Day Time: 🔒 Timeline 12/13/2017 CVE assigned02/19/2019 Advisory disclosed02/20/2019 VulDB entry created02/20/2019 VulDB final replace resourcesAdvisory: change.xforce.ibmcloud.comConfirmation: 🔒
CVE: CVE-2018-1996 (🔒)accessCreated: 02/20/2019Complete: 🔍
See the total listing of most preempt server virtualization utility.base line:
IBM PowerVM can virtualize AIX, IBM Linux, and IBM i valued clientele working on its power server platform. certainly, it is among the most complete featured virtulization programs available on the market – no shock, given IBM's abysmal legacy within the facts center.
but it surely may no longer live the simplest platform to do in force. it'll require specialists to set up it. subsequently, mid-sized and large businesses should soundless carry out quality, but SMBs may live most desirable to steer clear of it unless they could possess the funds for outside aid. IBM PowerVM is geared specially for today's superior information facilities with annoying software workloads.Product Description:
IBM PowerVM can consolidate discrete workloads onto fewer methods, increasing server utilization and decreasing can charge. PowerVM provides a cozy and scalable server virtualization ambiance for AIX, IBM i and Linux applications constructed upon the RAS aspects of the power techniques platform. briefly, its hypervisor is rather bendy. it may well back deliver features within the cloud sooner via automating deployment of VMs and storage. it may well likewise back dispose of downtime via are animate mobility between servers.
PowerVM 2.2.6 supplies commercial enterprise-grade virtualization, providing the groundwork for cloud computing on IBM vigour techniques. it may possibly efficaciously participate elements among applications, consolidate multiple workloads, and supply the software mobility in a multi-cloud infrastructure. It is declared to raise useful resource utilization, in the reduction of operating expenses, and provide a extra agile environment for IBM AIX, IBM i, and IBM Linux applications operating on vigour systems.
in the most recent unlock, IBM has greater tightly integrated PowerVM with the energy platform. every POWER9 server comes with POWERVM traffic edition. there's likewise a gauge version in addition to an IBM PowerVM, Linux version. PowerVM commonplace version contains here add-ons:
“It has been very official with slight to no downtime. we've been capable of stretch their IT dollars because the refresh cost on IBM vigour can escape for years. additionally, they possess been able to add many extra VMs to physical machines than different structures can run,” spoke of an information core manager in manufacturing.Servers/working techniques:
AIX, Linux and IBM i consumers
“Our traffic utilizes VMware and PowerVM. VMware is consumer pleasant and makes helping windows OS more straightforward. PowerVM is affecting in that route. PowerVM is superior in so that you can prioritize workloads throughout discrete VMs and live granular for your reservation of cores and digital CPUs. PowerVM means that you can alter VM traits whereas the VM is up and working,” referred to a materiel Admin in oil & gas.Implementation:
PowerVM is a software down load.Scalability:
as much as a thousand VMs on a separate server.Overhead:
10% to 15%management:
management materiel equivalent to Hardware management Console (HMC), integrated Virtualization supervisor (IVM), and PowerVC aid to aggregate and manipulate materials through the expend of a consolidated ratiocinative view. that you can designate processors to partitions in increments of 0.01, which allows for discrete partitions to participate the processing power of the system. When the firmware is at smooth 7.6, or later, micropartitions can live defined as small as 0.05 of a processor and can live changed in increments as small as 0.01 of a processor. A maximum of 20 micropartitions may likewise live created per core.
A running AIX, Linux, or IBM i ratiocinative partition can live suspended together with its working gadget and purposes. you could participate reminiscence among partitions in a shared reminiscence pool, by using PowerVM lively reminiscence Sharing. power Virtualization performance (PowerVP) is a performance monitoring solution that offers designated and true-time information about virtualized workloads which are running on vitality methods. which you can expend PowerVP to possess in irony how digital workloads expend elements, to investigate efficiency bottlenecks, and to build informed decisions about aid allocation and virtualized machine placement.Patching/Backup:
offered by using different IBM power tools.Migration:
that you may migrate an dynamic or torpid AIX, Linux, or IBM i ratiocinative partition from one gadget to a further by using reside Partition Mobility.safety:
vigour methods deliver a secured server platform. POWER9 hardware and firmware build it much more secure for cloud deployment with key aspects for PowerVM servers. Implementation contains:
Virtualization for AIX, Linux and IBM i shoppers working IBM vigour platforms.
“It may well live over engineered for smaller functions. despite the fact, if the infrastructure is in region that you may utilize it to escape Linux VMs as well,” talked about a system Admin in Oil & fuel
starting at $590 per core, free with some other IBM products.
AIX, Linux and IBM i purchasers
a thousand VMs on a separate server
10 to 15
Virtualization for AIX, Linux and IBM i valued clientele operating IBM energy structures
$590 per core
Migrationcirculation lively or torpid VMs
Key Differentiatorjust prerogative for IBM environments
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This is shameful about IBM WebSphere Application Server V8.5. To build you know shameful these modern features, this article provides a far above the ground smooth general conception of what system administrators can eye forward to this major modern release- IBM WAS Administration Training.
WebSphere Application Server V8.5 includes several modern features and enhancements. The most prominent feature might live the birth of a modern lightweight application server profile, called the Liberty profile, which differs from the WebSphere Application Server V8.0 complete profile with its small disk and reminiscence footprint, and in the way, it is installed and configured. For this modern profile, the focus for system administration is to back deployment to test and production environments. For the complete profile, modern administration features embrace the merging of IBM WebSphere Virtual Enterprise features with WebSphere Application Server Network Deployment, back for multiple Java SDK versions, auditing of configuration changes, and enhanced back for logging and tracing.
The Cross Component Tract (XCT) is likewise a modern duty in WebSphere Application Server V8.5 that allows you to track a request as it jumps across threads and processes. When enabled, a unique request ID property is used to identify the request. A modern XCT log viewer, accessible through the IBM back Assistant, allows you to aggregate multiple logs and track files into a separate view, presenting you the sequence of a request across different threads and processes.
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DB2 provides a variety of options for connecting to other DB2 and non-DB2 data servers:
DB2 Connect™—This add-on product provides back for applications executing on Linux, UNIX, and Windows to transparently access DB2 data servers on i5/OS, VM/VSE, and z/OS environments. DB2 Connect provides much more than just connectivity; more details of its capabilities are provided later in this chapter.
DB2 Replication—This feature provides replication capabilities for DB2 data servers. There are two kinds of replication, SQL-based replication and Queue-based replication (also know as Q-replication). Both are sometimes referred to as Data Propagator (DPROPR).
SQL-based replication is included in shameful of the DB2 mainstream editions that escape on Linux, UNIX, and Windows. It's made up of two components, CAPTURE and APPLY. It uses SQL to replay data on target servers.
Q-Replication is built on the IBM WebSphere MQSeries® technology and is generally thought to live a more available and powerful replication technology. You can add this capability to a DB2 environment through one of the WebSphere Information Integrator products.
Once a DB2 application has been developed, you requisite to install connectivity software on each client workstation in a two-tier environment. If you are deploying a Web-based application in a three-tier environment, you requisite to, at a minimum, install the DB2 client connectivity software on the application server. In DB2 9 there are basically two types of clients, the DB2 Runtime Client and the DB2 Client.
A DB2 Runtime Client provides the minimum client footprint (about 20–30 MB) to back connectivity to DB2 9 data servers (the exception to this is if you choose to back communication via specific API drivers, covered later in this section). When you install a DB2 Runtime Client, you install a driver to back shameful the common programming methodologies, including ADO.NET, ADO, OLE DB, ODBC, JDBC, SQLJ, static SQL, and more.
Using a DB2 Runtime Client you can achieve basic functions, such as running any DB2 commands or SQL statements from a DB2 CLP or CLP session; however, for the most part, this client comes with no other capabilities than supporting data connectivity. For example, there are no graphical-based management tools, documentation, and so on. You can download a DB2 Runtime Client at www14.software.ibm.com/webapp/iwm/web/preLogin.do?lang=en_US&source=swg-dm-db2rtcl.
A special DB2 Runtime Client is made available as Windows Merge Modules (.msi files), which makes the installation of this software within Windows applications more natural. You can download these files at http://www-304.ibm.com/jct03002c/software/data/db2/runtime.html.
In contrast, the DB2 Client includes shameful the functions institute in the DB2 Runtime Client plus functions for client-server configuration, tools for database administration and application development, samples, and more. For example, this client includes the Configuration helper that provides graphically administration and connectivity tools, as well as a host of programming samples, and so on. The DB2 9 Client replaces the functions institute in both the DB2 8 Application progress and DB2 8 Administration clients.
A DB2 Client's footprint is directly correlated to the components you select to install and can retract between 200 MB and 800 MB depending on the options you select. The process to install a DB2 Client is very similar to a DB2 data server. You can download a DB2 Client at http://www-304.ibm.com/jct03002c/software/data/db2/runtime.html.
The altenative of which DB2 client to install should live based on the requirements of the application on the client machine. For example, if you possess a database application developed for Linux, UNIX, or Windows and you carry out not require the DB2 administration or application progress tools from a Windows workstation, yet want to back applications written in multiple programming languages dote .NET and Java, you should install the DB2 Runtime Client on that workstation.
Some enterprises prefer to deploy the DB2 Runtime Client code remotely on a dedicated server. In these environments, remote workstations requisite to access the DB2 Runtime Client code remotely from a code server before accessing to DB2. This sort of configuration is known as a thin client. A thin-client configuration can provide many benefits, such as a central catalog directory of shameful database connections and a separate footprint of code to manage. The trade-off is that clients must load the client .dlls from the code server before accessing the remote data server. It should live renowned however that this performance hit is only "noticed" on the initial connection. Once the client code is loaded on the client workstation, subsequent calls to the code server are not needed.
When you want to deploy your DB2 application, you only requisite to ensure that a DB2 Runtime Client is installed on each workstation executing the application. device 1-10 shows the relationship between an application, a DB2 Runtime Client, and the DB2 data server. If the application and database are installed on the selfsame server, connectivity is considered to near from a local client. If the application is installed on a system other than the DB2 data server, its connectivity is considered to near from a remote client.
Figure 1-10 Accessing a DB2 data server using the DB2 Runtime Client
DB2 client connectivity can live configured using various supported communication protocols. The supported protocols vary according to operating system:
Some larger enterprises and independent software vendors (ISVs) want to deploy their applications written in separate language without the overheard of installing and maintaining a DB2 client on each client workstation. Despite the much smaller footprint of the DB2 Runtime Client in DB2 9, IBM makes available two drivers that can live deployed for connectivity on their own, outside of a DB2 Runtime Client or DB2 Client installation.
The IBM Driver for JDBC and SQLJ can live deployed to back Java-based connectivity to a DB2 data server. This driver is about 2 MB in size and can easily live embedded within your application. In fact, it comes with a royalty-free distribution license for this very purpose.
You should note however that although this driver can connect to the entire DB2 family, if you're connecting to a DB2 for i5/OS, DB2 for VM/VSE, or DB2 for z/OS data server, you requisite to additionally license this connectivity with DB2 Connect (covered in the next section) to ensure you are compliant with respect to licensing.
It's valuable to note that the IBM Driver for JDBC and SQLJ solely supports Java applications. Aside from not including tooling and documentation, this driver doesn't back data server connectivity using other APIs. For example, you can't back a .NET application using this driver. You can download this driver at www14.software.ibm.com/webapp/download/preconfig.jsp?id=2004-09-20+10%3A09%3A21.003415R&cat=database&fam=&s=c&S_TACT=105AGX11&S_CMP=DB2.
DB2 9 includes a modern standalone driver for CLI and ODBC applications called the IBM DB2 Driver for ODBC and CLI. This driver delivers the selfsame benefits and restrictions as the IBM Driver for JDBC and SQLJ to your DB2 environment, except it solely supports CLI/ODBC connections. You can download this driver at www14.software.ibm.com/webapp/download/preconfig.jsp?id=2004-09-20+13%3A44%3A48.813589R&cat=database&fam=&s=c&S_TACT=105AGX11&S_CMP=SPLT.
The main benefits of the IBM DB2 Driver for ODBC and CLI are:
DB2 Connect is a sunder product family that licenses client connectivity from distributed platforms to the DB2 family running on i5/OS, VM/VSE, and z/OS operating systems (hereafter referred to as mainframe). Although communications between any members of the DB2 family expend the Distributed Relational Database Architecture (DRDA), you possess to explicitly license access from DB2 for Linux, UNIX, and Windows clients to these data servers.
A client accessing DB2 running on the mainframe is generally referred to as a DRDA Application Requester (DRDA AR) and the DB2 server that manages the client connection as a DRDA Application Server (DRDA AS). DB2 Connect only uses TCP/IP as the transport protocol between a DRDA AR and DRDA AS.
Some of the major capabilities provided by DB2 Connect include:
DB2 Connect is often used to enable mainframe resources for Web access, better integrate legacy and inheritance systems with modern deployments on distributed platforms, modernize the application progress suffer for mainframe progress (for example, affecting from COBOL to Java), and off-loading progress cycles to lower-cost operational environments.
Depending on the DB2 Connect edition you purchase, you can create a connectivity architecture for single- or multi-tier environments.
You can survey in device 1-11 that there are many ways to implement a DB2 Connect product. In a multi-tier environment, you expend DB2 client software to connect to the DB2 Connect gateway (in a client/server model) passing the connection context to to the mainframe resource. In a Web-based deployment, you may possess DB2 Connect on its own or collocated with the application server. Depending on your configuration, you may or may not requisite to install a DB2 client.
Figure 1-11 Using DB2 Connect is a single-tier or multi-tier environment
DB2 Connect products can live added on to an existing DB2 data server installation, or act as a standalone gateway. Either way, it's purchased separately from DB2. If you are using one of drivers discussed earlier in this chapter, technically you can build the connection to a mainframe DB2 resource, but you soundless requisite to purchase a telling DB2 Connect license. There are a number of DB2 Connect editions available and each is suited for a particular implementation of the DB2 Connect software. With the exception of DB2 Connect PE, shameful of the DB2 Connect editions tender the selfsame duty and features; they are merely differentiated by capability. shameful editions of DB2 Connect PE are considered gateways since they provide client/server access to workstations. To connect to a DB2 Connect gateway, you simply expend a DB2 client.
DB2 Connect Personal Edition (DB2 Connect PE) is similar to DB2 Personal Edition in that it is used for separate workstations and doesn't provide its users with any server capabilities. Using DB2 Connect PE, you can build direct connections to DB2 running on the mainframe. In device 1-11, the desktop users likely possess DB2 Connect PE installed in their workstations. DB2 Connect PE can likewise act as a regular DB2 client and connect to distributed versions of the data server as well. Some environments deploy DB2 Connect with both direct and gateway connectivity. For example, a developer may build direct connections using the DB2 Connect PE software for certain stages of the progress cycle. But once the application is in production, they may expend the DB2 Connect PE software to connect to a DB2 Connect gateway to retract odds of the features it provides, such as load balancing, connection optimization, high-availability, and more. DB2 Connect PE is licensed on a per-workstation basis.
DB2 Connect Enterprise Edition (DB2 Connect EE) can live licensed using two different user-based options: the number of Authorized Users or the number of Concurrent Users. DB2 Connect EE provides the talent to implement a three-tier connectivity architecture that allows you to seclude connectivity to mainframe resources to a specific tier in your architecture. Again, DB2 clients (or drivers) are used to connect to the gateways, and then the DB2 Connect software manages the connection context to the mainframe.
DB2 Connect Application Server Edition (DB2 Connect ASE) is licensed by the total VU rating of shameful the applications servers that connect to the mainframe. The VUs that you purchase possess nothing to carry out with how many DB2 Connect servers you set up, or what their rating is. For example, if your Web server farm was rated at 1,000 VUs and you set up a DB2 Connect gateway farm rated at 5,000 VUs, you would possess to buy 1,000 VUs of DB2 Connect ASE. DB2 Connect ASE is well suited for environments where you anticipate to survey more growth of mainframe resource than your Web tier because its costs are directly linked to the VU rating of the Web serving tier.
DB2 Connect Unlimited Edition (DB2 Connect UE) is available for i5/OS and z/OS. DB2 Connect UE for i5/OS is licensed by the number of managed processors attached to the i5/OS partition while DB2 Connect UE for z/OS is licensed with a basis server license plus a per-unit saturate for the MSU rating of the System z server you are connecting to. DB2 Connect UE is well suited for environments that possess flat mainframe cycle growth and massive Web tier growth as the costs of DB2 Connect UE are directly correlated with the capacity of the mainframe resource. DB2 Connect UE comes with a free copy of Mobility on exact to travel mainframe data to occasionally connected devices, as well as DB2 Connect PE. Essentially, this edition of DB2 Connect, as its title would imply, allows for unlimited deployments.
There's so much more to the DB2 Connect product than what's circumstantial in this section. In fact, the title DB2 Connect is delusory because connectivity is just a small fragment of what this product can do; however, these details are outside the scope of this book.DB2 Replication
DB2 Replication allows for data to live propagated from one location to another. SQL-based replication, likewise know as Data Propagator (DPROPR) replication, is a free component of the DB2 for Linux, UNIX, and Windows data servers (it's a paid feature on the mainframe). You can likewise extend this replication capability to back a wide variety of data servers, including DB2, Oracle, Microsoft, Sybase, Informix, IMS, Lotus Notes, and flat files with WebSphere Replication Server.
An specimen of SQL-based replication is shown in device 1-12. SQL-based replication has been around for over a decade and has proven itself to live extremely flexible, resilient, facile to set up, and scalable.
Figure 1-12 SQL-based replication extended with WebSphere Replication Server
In device 1-12 you can survey the broad gain of the SQL-based replication technology when it is extended with the WebSphere Replication Server product. As you may recall, distributed versions of DB2 near with the DPROPR technology built in and can back replication subscriptions across the DB2 family. The core capabilities of a distributed data server with respect to replication are shown in the top-left and top-right portions of device 1-12.
When you buy WebSphere Replication Server, you likewise catch Q-based replication (Figure 1-13). In Q-based replication, each message represents a transaction that is placed on a WebSphere MQ series message queue. This replication is known for its highly parallel apply process and loaded affray detection and resolution services.WebSphere Federation Server and WebSphere Information Server
WebSphere Information Server provides features and functions to place, publish, integrate, find, cleanse, and access data. The federation capabilities are worth mentioning as they relate to data access. WebSphere Federation Server contains a subset of the functionality institute in WebSphere Information Server, namely the federation capabilities (and hence will live the focus of this section). You can learn more about WebSphere Federation Server and WebSphere Information Server at www.ibm.com/software/data/integration/.
A federated system is a distributed database environment that appears as a separate virtual database to discontinue users and applications. The WebSphere Federation Server technology (some of which is built into DB2) allows SQL statements to transparently access, join, or update data located across heterogeneous data sources. Federated back enables the DB2 data server to evaluate global statistics on shameful data sources in order to optimize requests for the remote data. For example, the global optimizer can expend erudition of source statistics, source indexes, source functions, server and network speeds, and so on.
The SQL back in a DB2 federated environment supports the selfsame SQL as a non-federated environment, including advanced object-relational SQL operations across the federated data sources, such as recursive SQL, common table expressions (CTEs), and more. If the remote data source doesn't possess this capability, DB2 will compensate for the missing functions.
Perhaps the greatest capitalize to a federated system is that developers only possess to learn a separate lingo of SQL; namely, the DB2 ANSI-compliant SQL API. If an external data source has different data types or non-standard SQL, DB2 will transparently compensate for missing functions and transform data types. For example, SQL Server 2005 has a MONEY data sort whereas DB2 uses a DECIMAL data sort to back currency. Without the WebSphere Federation Server technology, a developer would possess to know the differences between these data servers, or cast them to dote data types using OLE DB. With WebSphere Federation Server, developers just code as if they were always accessing DB2 data, and the comfort is taken care of.
An specimen of federated access is shown in device 1-14.
Figure 1-14 The power of federation—any data, one API
In device 1-15 you can survey the technology components that build up a federated database. Nicknames are used to implement a low form of granularity with respect to the data sources you want to build available. Nicknames essentially are local aliases on remote tables, although they can live mapped to specific rows and columns. A collection of nicknames is located within a server that represents that actual data source. For example, in device 1-15 Oracle is one such data source, so the server component would delineate a specific Oracle database. shameful the SQL eventually flows through a wrapper, which is a library of code that allows access to a particular class of data servers. Connections made to these servers expend their indigenous protocol; for example, the Oracle connection will expend the Net8 client.
You can survey in device 1-14 that with WebSphere Federation Server you can pretty much extend the gain of DB2 to any data source in your environment. For example, in the life sciences industry, scientists requisite access to specialized data to back their research related to drug discovery. IBM offers a set of Life Sciences wrappers that can live used to build a federated system that can access data useful to scientists, including transcend spreadsheets, image data, flat files, and blight (Basic Local Alignment Search Tool).
If a wrapper is not available for purchase, there is a software developer's kit (SDK) that you can expend to build your own.Database Enterprise Developer's Edition
IBM offers a special discounted suite of Information Management products that you can purchase at a discount for development, evaluation, demonstration, and testing of your application programs; this edition is called Data Enterprise Developer Edition (DEDE).
Some of the products included in this comprehensive developer offering are:
Most of the products within DEDE are available for shameful the platforms that DB2 Enterprise supports (unless of course a product doesn't exist on a specific platform). The data server where you install DEDE can live on a platform that is different from the one on which the application will eventually live deployed or tested because of the common code basis used in the distributed DB2 environment. In fact, almost any applications developed using DEDE can live executed on any system that has DB2 client software (or specific drivers for which the application is written) installed.
The application progress environment provided with DEDE allows application developers to write programs using today's most Popular methodologies, including:
DEDE likewise includes the necessary programming libraries, header files, code samples, and pre-compilers for shameful of the supported programming languages.DB2 Developer Workbench
The DB2 9 Developer Workbench (DB2 DWB) replaces the DB2 8 progress Center. The DB2 DWB is an Eclipse-based graphical environment that supports the rapid progress of DB2 SQL and Java stored procedures, SQL scalar and table user defined functions (UDFs), SQL statements, XQuery statements, and Web Services. However, there's so much more to this list. For example, the DB2 DWB includes an SQL editor that's enriched with syntax colorization and code assistants, as well as teaming support, compare utilities, and more.
The DB2 DWB is a sunder utensil and is maintained sunder from a DB2 data server. You can download it from www-304.ibm.com/jct03001c/software/data/db2/ad/dwb.html.
The DB2 DWB is really meant for power DBAs that aren't coding experts but require rapid progress assistance for structure traffic logic for their data servers. Depending on your environment, you may elect to expend another utensil dote Toad for DB2 or Visual Studio. simple developers will likely choose to expend the plug-ins provided with DB2 9 into their respective IDEs, although they are free to expend the DB2 DWB. For the most part, you can achieve the selfsame tasks in any of the tools that IBM ships or the integration points in specific IDEs.
A snapshot of the Developer Workbench screen is shown in device 1-16.DB2 Extenders
DB2 Extenders tender the talent to manipulate data outside of conventional rows and columns to embrace the manipulation of special data types (for example, spatial types that possess associated LAT/LONG coordinates and SQL-based functions to operate on them), searching services, and more. The purpose of the DB2 Extenders is to provide for the management of this data through the chummy DB2 SQL API.
The DB2 Extenders encapsulate the attributes, structure, and conduct of these unstructured data types and stores this information in DB2. From the developer's perspective, the DB2 Extenders exhibit as seamless extensions to the database and enable the progress of multimedia-based applications. In other words, a spatial data sort is no different than a built-in data sort that they may live accustomed to. This section briefly details the DB2 Extenders that are provided by IBM.DB2 Spatial Extender
The DB2 Spatial Extender (DB2 SE) provides the talent to create spatially watchful data objects and store them within your DB2 database, along with other spatially related objects dote (LAT/LONG) coordinates and more. Almost shameful industries could capitalize from this free technology in DB2. For example, the banking and finance industry could visually envelope customer segments for brand location identification. Municipal governments could expend this technology for flood unostentatious identification, the retail industry for billboard locations, and more. This seems evident when you regard that almost shameful data has some sort of spatial component to it: they shameful possess an address, merchandise in a warehouse has a stock location, and so on.
The traffic capitalize of the DB2 SE lies in the notion that it's a lot easier to spot visually represented information than data reported in rows and columns.
When you enable your DB2 database for the DB2 SE, you can interact with your data using SQL or specialized spatial tools from other vendors. The point is that with the DB2 SE, DB2 understands the spatial "dialect" and the operations that you want to achieve with it.
For example, a telematics application on a PDA may provide its users with a list of nearby Chinese restaurants that serve Peking Duck based on the dynamic request of this user. In this case, after the client's PDA creates a location box using Global Positioning System (GPS) coordinates, it could generate SQL statements similar to the following:SELECT NAME, DESCRIPTION, ADDRESS FROM RESTAURANTS WHERE OVERLAPS (LOCATION, BOX(GETGPS(),2000,2000)) AND CATEGORY = 'CHINESE' AND DOC CONTAINS(MENU,'PEKING DUCK');
OVERLAPS is a spatial duty that shows interested data in a binding box defined by the OVERLAPS border specification; there are many other spatial functions, including INTERSECTS, WITHIN, BUFFERS, and so on.DB2 Geodetic Extender
The DB2 Geodetic Extender builds upon capabilities available in the DB2 Spatial Extender and adds compensation for real-world objects dote the curvature of the earth's surface. The algorithms in this extender seek to remove the inaccuracies introduced by projections and so on. This extender is available only for DB2 Enterprise as fragment of the Data Geodetic Management feature.DB2 Net Search Extender
The DB2 Net Search Extender (DB2 NSE) combines in-memory database technology with text search semantics for high-speed text search in DB2 databases. Searching with it can live particularly advantageous in Internet applications where performance is an valuable factor. The DB2 NSE can add the power of fleet full-text retrieval to your DB2 applications. Its features let you store unstructured text documents of up to 2 GB in databases. It offers application developers a fast, versatile, and brilliant routine of searching through such documents.
Additionally, the DB2 NSE provides a loaded set of XML searching capabilities with advanced search features dote sounds-like, stemming, and so on. It is shipped free in DB2 9 (it was a chargeable extender in DB2 8) to facilitate non-XML index searching of XML data stored in pureXML columns.DB2 XML Extender
The DB2 XML Extender is provided with DB2 and allows you to store XML documents in DB2; it likewise gives you the talent to shred and store XML in its component parts as columns in multiple tables. In either case, indexes can live defined over the elements or attributes of an XML document for fleet retrieval. Furthermore, text and fragment search can live enabled on the XML column or its decomposed parts via the DB2 Net Search Extender. The DB2 XML Extender can likewise abet you formulate an XML document from existing DB2 tables for data interchange in business-to-business environments.
You may recall that the pureXML add-on feature pack is available for shameful DB2 9 data servers. Indeed, this can antecedent confusion since the DB2 XML Extender is shipped for free in DB2 9. You should regard the DB2 XML Extender as stabilized technology. In other words, it is no longer being enhanced and shouldn't live considered for most XML applications. The DB2 XML Extender's approach to storing XML is to shred the XML to relational tables or stuff it into a large object. When you expend this technology to persist XML data, you possess to build earnest trade-offs with respect to performance, flexibility, and so on. In addition, you possess to expend specialized functions to implement Spathe searches, and data types are absorbed from basis DB2 data types. Quite simply, the course you interact with the DB2 XML Extender isn't natural for XML programmers and DBAs alike.
In contrast, the pureXML feature in DB2 9 provides services such that no compromises between flexibility (what XML was designed for) and performance (one of the reasons why you want the data server to store your XML) requisite to live made when storing your XML data. For example, to generate XML documents from relational tables, you simple expend the SQL/XML API instead of the cumbersome DB2 XML Extender functions. You can validate XML documents against Sods instead of only document sort definitions (Ds) as is the case with the DB2 XML Extender, and more. They strongly recommend this feature for most of your XML-based applications.
In-DepthIt’s the mainframe’s swirl to catch the services treatment
But IT shops are now waking up to find that the mainframe soundless runs the key enterprise applications, and that the mainframe room is due for some “home improvement.”Application progress managers are discovering that, when it comes to refashioning mainframe apps as Web services apps, there are many different ways to go. And as Gartner Inc.’s Dale Vecchio said, they may open up a Pandora’s box if the dig too deeply into that legacy code. Developers requisite to let more -- not fewer -- users into the mainframe world, and some will opt for host-to-Web, GUI extensions and screen-scrapers as the best means to start to bring the mainframe into the realm of Web services.
When the Minnesota Dept. of Public Safety Driver and Vehicle Services (DVS) Division in St. Paul decided to integrate its legacy mainframe applications with Web services, the division chose to proceed with the Verastream Host Integrator product from WRQ Inc., Seattle.
According to Judith Franklin, manager of enterprise technology back at DVS, the division’s goal was to ameliorate data property and accuracy, as well as turnaround time to traffic partners and the drivers of Minnesota. Challenges were plentiful. To originate with, the system in expend was a largely paper-driven environment, based on a mainframe that was more than 25 years old.
When Franklin was brought in, processing a motor vehicle title transfer took between three and six months. It was not uncommon for the processing of a driver’s license to retract up to six weeks. Most of the delay, she said, was caused by the amount of time it took for the paperwork to arrive at the DVS and live entered. In addition, there were a lot of data-entry errors.
“Based on their traffic model, if you needed to catch a driver’s license or renewal, or register a vehicle or transfer a title, you had to proceed to their traffic partners who could live the cities, counties or private individuals in traffic for themselves,” said Franklin. “You would proceed there, carry out your paperwork and they in swirl would forward us the paperwork. And there it would sit, a remarkable pile of paperwork that would eventually trickle to the top where their data-entry people would then enter it.”
The DVS system was running on an IBM S390 mainframe with Cincom’s proprietary Supra database, which was proving very expensive to maintain. “We needed to carry out something dramatically different,” Franklin said.
Franklin institute two or three Cobol programmers who knew the system inside and out. As is often the case with legacy systems, there was very slight documentation. The screens were typical CICS screens, and could not live released to traffic partners or to the public because they contained too much information and were difficult to read.
Franklin’s first goal was to carry out something efficient -- and in a relatively short timeframe -- that would allow the DVS to start publishing on the Web and provide a service-oriented approach for doing transactions and real-time data entry with traffic partners. It was not necessary to enhance the current system because the DVS planned to eventually travel away from that database.
“We required a utensil with a minimal learning curve for Visual Basic programmers already on staff, rather than having to bring in Java programmers and build up expertise,” said Franklin. “We likewise wanted a utensil supple enough to meet into wherever they would live doing their core application progress as they grew.”
Using Verastream Host Integrator with Microsoft Visual Studio, and running on Microsoft IIS with ASP, the DVS went live with two Web sites for driver’s license applications in less than two months. One site was for the public, while the other was a private authenticated site for traffic partners.
The DVS built Web apps that proceed to the Verastream middleware, which then goes to the mainframe and returns data with records that are deployed and formatted for readability. The DVS is likewise merging its Verastream model with a variety of SQL databases.
A site for law enforcement was then added. “This has been a huge turnaround for the state,” said Franklin. “Our law-enforcement partners yelp that the services they now provide are the best tools they’ve been given since the mobile radio.”
Prior to Web services, law-enforcement officials had to spread out pages of papers; with the modern system, they can access a current, readable driver’s record. More than 10 million photos can live stored using the SQL database, and the records are integrated with the photos.
The division has taken data entry out to shameful deputies and agents in the state, and has been doing real-time transactions for about a year. “This has allowed us to withstand budget issues that shameful states are going through, and it has increased the accuracy of their data,” said Franklin. “The DVS has saved some $260,000 in programming/legacy storage costs, and has crop license processing times by 75%.”
But the change was not completely smooth, admitted Franklin. The DVS went from a batch-processing concept to one that suddenly opened up 24x7. There were likewise bandwidth problems when the DVS started getting more than 27,000 hits a day.
“In many ways, their mainframe people weren’t prepared for the expand in production, CPU cycles and database calls, which more than doubled in the first three months after opening up their mainframe to the Web,” she said. “And they erudite that it would shameful double again during the next three months.”
Also a concern: maintenance. DVS people brought everything down for maintenance one Saturday morning. “It was a one-time job on a Saturday morning, and suddenly the motor vehicle site is down and my beeper is going off,” said Franklin, admitting to some shortsightedness. “The concept is so different now that you might unwittingly let things dote that slip by.”
Performance is key
“People are finding that they requisite to travel their applications to the Web to build it easier for their customers and partners to carry out traffic with them,” said Scott Rosenbloom, chief strategist at WRQ. “One of the challenges is that some 60%–70% of their information and traffic logic is stored on legacy systems.”
Companies requisite to travel quickly to the Web, so re-creating traffic logic and data on modern platforms is just not possible, he added. “They’re starting to step back and say, ‘We already possess that traffic logic and information. It’s reliable, and it’s been on the host maybe 15 or more years. Let’s find a course to expose that to the Web to build the creation of these modern applications quicker and give them higher functionality.’”
WRQ’s Verastream product is a runtime server with design tools. It works with products dote Microsoft Visual Studio .NET, BEA Workshop and IBM’s WebSphere. “We expose the information with Verastream, and that is used to build the actual application,” said Rosenbloom.
The WRQ tools likewise back setting layers of granularity. Many approaches to integration in the past failed, renowned Rosenbloom, because when people started using services dote CORBA they did not change the course they viewed the calls, even though they were going over a network where there is a lot more overhead and latency.
“In Web services, you can possess this selfsame challenge -- if you just expose the existing API via Web services, you could possess very low-level, fine-grain calls going on. For example, if you’re updating a realm or a record as opposed to sending an entire document complete of many records that you may want to submit shameful at once,” Rosenbloom explained.
“It’s very valuable that you implement Web services with the prerogative smooth of granularity when you build this Web service convene because there is a lot of overhead associated with this call,” he added. “You’re creating an XML document. You’re shipping it over a protocol dote HTTP over the network, and there are a lot of different things going on; you want to ensure that when you build that convene over the network, it will carry out a lot of labor for you before it returns.”
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IBM [1533 Certification Exam(s) ]
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Microsoft [375 Certification Exam(s) ]
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Nokia [6 Certification Exam(s) ]
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Novell [37 Certification Exam(s) ]
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TIA [3 Certification Exam(s) ]
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Wonderlic [2 Certification Exam(s) ]
Worldatwork [2 Certification Exam(s) ]
XML-Master [3 Certification Exam(s) ]
Zend [6 Certification Exam(s) ]
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