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C9050-549 exam Dumps Source : IBM Certified System Programmer - IBM IMS
Test Code : C9050-549
Test Name : IBM Certified System Programmer - IBM IMS
Vendor Name : IBM
Q&A : 103 Real Questions
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IBM IBM Certified System Programmer
February 4, 2019 Timothy Prickett Morgan
there are many things that one might constructively criticize IBM about when it involves the power systems platform operating the IBM i working gadget. however, in fresh years at the least, a kind of issues would now not be – and could not be – that the business has now not carried out sufficient to embrace probably the most important elements of the contemporary programming toolbox.
basically, the enterprise has performed and more and more decent job of embracing and increasing the compilers, interpreters, frameworks, and fashions of the programming languages which have long gone mainstream when you consider that Java first took the stage at first of the dot-com growth in 1996 as an try to bring a simplified variant of C++, residing in an idealized, simplified, and importantly portable hardware abstraction referred to as a digital desktop. on the grounds that that point, huge Blue and the IBM i community have labored collectively, often with the neighborhood out in front with the lively involvement of the IBMers within the developerWorks corporation, to convey the Apache web server and the Tomcat application server the OS/400, i5/OS and IBM i platform together with programming languages akin to Perl, Hypertext Preprocessor, Python, and Node.js, and versioning tools such as Git, and different methods application which are are essential equipment for up to date programmers.
The 2019 edition of the IBM i marketplace Survey, which became launched in January and which is spearheaded by Tom Huntington, govt vice president of technical options at HelpSystems, provided some perception into what's going on available on the programming front. The survey turned into carried out remaining October and had 700 respondents, with fifty seven % coming from the us but handiest 2 percent from Canada; one more 19 percent got here from Europe, 15 percent got here from Latin the united states, and the the rest become cut up throughout Australia, Asia, and Africa. As we have mentioned before, this is now not exactly consultant of the actual IBM i put in base, which is greater closely disbursed outdoor of the U.S.; but the numbers are step by step shifting in the appropriate route as HelpSystems interprets the survey into greater languages and corporations such as it Jungle motivate readers to take the survey.
The diversity of operating methods supported on the power systems platform and the potential to snap in tools created for Unix-like operating methods into the PASE AIX runtime embedded in OS/four hundred and its successors is a key point to the capability to get and use tools that other platforms have. (during this way, IBM preserves its own benefits reminiscent of RPG business language programming and an integrated relational database management equipment and grafts on the merits of alternative systems, giving it a sort of hybrid energy.) And IBM i stores had been embracing that operating system variety on the platform and fitting much less elegant on windows Server machines working on X86 iron somewhere else in the datacenter, as which you could see from this operating equipment distribution from the survey:
most effective 22 p.c of the groups surveyed spoke of that they have been only running the IBM i platform, and admittedly, we discover it challenging to believe that this quantity is not zero p.c given how pervasive home windows file and print servers are. however is possible to move it alone with IBM i, most likely in manufacturing unit or far off retail settings, and it's possible so we will take the survey respondents at face value. what's unique in this chart is that the proportion of windows Server is falling. returned in the day, someplace north of 95 percent of IBM midrange retail outlets reported the usage of windows Server alongside their OS/four hundred and i5/OS machines, and this has been trending down as Linux, each on vigour methods iron inside of PowerVM logical partitions and on outboard X86 programs, is on the rise. AIX has gained some penetration at IBM i retail outlets, too, each on different power techniques machinery and on PowerVM partitions on the same machines working IBM i.
As you might think about, RPG continues to be probably the most established programming language in use at IBM i stores, with over 84 percent of respondents asserting they use RPG to create applications (or purchased RPG applications from third celebration utility providers that do). The SQL database programming language ranks number two, at 72 %, adopted via the CL scripting language native to IBM at forty seven percent and Java at forty one percent. right here’s the rundown of programming language adoption:
There are a few entertaining issues going on right here. First, whereas sixty eight % of shops file using home windows Server in their IBM i retail outlets, handiest 17 % say they're the usage of the .internet framework from Microsoft for programming, which supports visible fundamental and the Java-impressed (that’s the fine manner to claim that) C# languages. we would have idea that after two and a half decades, Java would were up there with RPG and SQL as a favored language, but that has no longer took place. The share of COBOL is in regards to the ancient trend and tends to be concentrated within the fiscal capabilities and insurance industries the place code became ported from mainframes so many many years in the past.
corporations were most likely allowed to put down more than one programming language as part of the survey, and if you add up all the percentages, you get 320 %, which means an arithmetic imply of three.2 languages in use per web site on general throughout the IBM i put in base. (neatly, at the least this upper echelon – through which we mean the lively component, now not the biggest companies or these with the greatest machines – a part of the IBM i base. We don’t be aware of anything in regards to the individuals who don’t take surveys and we feel that the facts that became gathered for the 5 years of the IBM i marketplace Survey are consultant of these active stores. That capability those who retain their techniques and operating methods extraordinarily present and that tend to be more inclined to adopt newer applied sciences, starting from storage area networks to high availability clustering to superior programming suggestions.) we're of two minds about this common. First, RPG, SQL, and CL dominate, and mixed they give you an ordinary of two languages. We feel there are lots of sites that primarily use RPG and SQL, primarily people who have third party utility application. it is vital to know that the survey question become no longer what languages have been used to create your functions, however fairly what languages are used for brand spanking new utility development. So the base may have much more distinct and a more robust numerical distribution of compilers and interpreters than this data implies. I don’t suppose this is the case, however it doubtless averages greater like five languages as a result of whether or not they are aware of it or now not, there’s probably some SQL, CL, or Java running someplace in the application stack.
The survey asked groups about what open source applied sciences they have deployed in their IBM midrange stores, and agree with it or not the Apache net server, which IBM first commercialized because the kernel of WebSphere returned in 1998, is still on the rise and that is doubtless occurring as fewer and fewer stores use windows Server for software and web serving and extra shops go native. That the native Apache web server has simplest forty % penetration tells you what these home windows Server that stay are doing. it's a mixture of print, file, web, and utility serving plus a suit dose of SQL Server for analytical database processing that organizations don’t wish to install natively on their IBM i machines. Python and Node.js are on a gradual rise, and the Git versioning tool is finding its personal degree, too.
What we will’t comprehend from the first five surveys and what we'd like to comprehend in the sixth subsequent year is how many of RPG is being coded within the modern free form fashion that's more like what Java does and what number remains using the older college, extra tightly restrained older RPG mannequin. My bet is that for brand spanking new code, it's probably as excessive as half and half, and that's mirrored in the undeniable fact that about have of the businesses surveyed said that that they had purchased Rational Developer for i and were the usage of it for as a minimum some application coding. About a third of the businesses which have RDi say they're using it for all of their utility building, about a 3rd say it is around half and half, and a third say it is lower than half. average that out and it is averaging round half of the purposes at half of the agencies surveyed are finished using RDi, which means free kind RPG.
The IBM i Base Did indeed move On Up
The IBM i Base Is able to circulation On Up
investment And Integration indications For IBM i
protection still Dominates IBM i dialogue, HelpSystems’ 2018 Survey reveals
The IBM i Base no longer As Jumpy because it Has Been
The Feeds And Speeds Of The IBM i Base
IBM i Priorities For 2017: Pivot To protection
IBM i trends, concerns, And Observations
IBM i Survey receives more suitable As Numbers grow
the place Do these IBM i Machines Work?
discovering IBM i: A game Of forty Questions
it's time to inform Us What you're as much as
IBM i market Survey: The value Of Being Earnest
What’s Up within the IBM i industry?
IBM i market Survey Fills within the Blanks
desperate for information Scientists
Demand and Salaries for statistics Scientists continue to Climb
artificial Intelligence Outperforms Human statistics Scientists
what is a knowledge scientist? Job search firm indeed currently sketched out a picture of a data scientist as a technologist with a level “in laptop science, facts, or a quantitative social science, along with some practicing in statistical modeling, computing device learning, and programming.” Wikipedia describes records science as “an interdisciplinary box that uses scientific strategies, processes, algorithms, and methods to extract expertise and insights from records in a variety of forms, both structured and unstructured.”
but while lots of organizations want to appoint information scientists, there's little settlement about what an information scientist in reality is. In a dialogue on Hacker information about my contemporary weblog put up indicating that demand and salaries for statistics scientists are both growing impulsively, one commenter wrote: “‘records scientist’ is a title lately thrown round lots for positions that was once referred to as ‘facts analyst,’ and not using a mighty [machine learning] or [software engineering] skill required.”
a different brought up: “i'd have thought [data science involves] a significant, sustained look at of records—starting with a robust base expertise of the mathematics of probability and building from there. however based on the resumes I've seen that does not seem to be the ordinary opinion.”
This fuzzy definition doesn’t make filling information science jobs—or discovering the appropriate job—any easier.
In hopes of turning out to be the deliver of facts scientists—and clarifying the definition—the Open neighborhood, an IT business consortium that offers certification programs in IT structure and possibility analysis, this week introduced that it has centered a certification application for records scientists.
Certification requires realizing a certain set of area depend, including records, computer researching, AI, and company communications, and demonstrating that knowledge through projects, explained Martin Fleming, chief analytics officer for IBM. it'll offer three levels of certification: certified facts scientist, grasp licensed statistics scientist, and exclusive certified statistics scientist. candidates for certification can also be reviewed by their friends through the Open community or inside their personal agencies, offering their organizations acquire Open neighborhood accreditation to accomplish that.
IBM, Fleming pointed out, is the first company to be accredited, however he expects other corporations to quickly observe.
providing certification, Fleming said, will “aid make our corporation a gorgeous region to come back and work, since it will provide our employees a credential this is useful to them. it's going to additionally help them enrich their abilities, which can be useful to the firm, and provide clarity round sorts of advantage which are required for the occupation.” IBM at present employs about 15,000 tech laborers that it defines as records scientists, and expects that number to grow faster than its standard team of workers, Fleming indicated.
IBM also introduced that it is going to establish a 24-month statistics science apprenticeship software, allowing people attracted to facts science with out event in the box, together with folks that do not need 4-year school degrees, to construct expertise and acquire Open neighborhood certification. The apprenticeship software is certified by the U.S. branch of Labor. That took a bit doing, Fleming stated, because it required the branch of Labor, for the primary time, to include “information scientist” as a identified occupation.
“We are inclined to think of information scientists as superstars,” Fleming stated, “however it is a big neighborhood—you want folks at junior stage and at celeb degree.”
IBM is attempting to fatten its cloud revenues with a "skinny" mainframe for midsize companies down to born-in-the-cloud startups.
The z14 model ZR1 and LinuxOne Rockhopper II every fit right into a 19-inch, single body rack -- a dramatic design alternate for IBM's mainframes -- yet they both deliver the equal pervasive encryption capabilities as their big brother, the z14 mainframe. more importantly, this skinny mainframe indicators IBM's intent to seed new markets with mainframe technology and enhance the knowledge to sell these clients on its strategic cloud-based mostly software technologies, equivalent to blockchain, computer studying, AI and container technologies.
"they are gravitating far from the traditional commercial enterprise house with mainframes and moving them into the cloud," talked about Frank Dzubeck, president of Communications network Architects, a consultancy in Washington, D.C. "here is an attempt to increase the bottom [of mainframe users], as neatly enter new markets with a few of their new generation technologies.
a few of those new technology IBM applied sciences, certainly the safety that blockchain can offer, could additionally attract now not simply smaller consumer organizations but service providers that work with better business-type IT retail outlets.
"higher stages of security via developed-in encryption and the new form aspect could increase Z systems shipments to greater MSPs [managed service providers] and CSPs [cloud services providers] who bring functions to business purchasers," pointed out Jean Bozman, vice chairman and primary analyst at Hurwitz & buddies.
IBM's z14 ZR1 'skinny mainframe'
IBM reloads for cloud market battle
the new device is a counter punch to reduce-cost, Intel-based server hardware that has flooded into the statistics facilities of tremendous IT shops and repair suppliers from the likes of Dell technologies Inc. and Hewlett Packard commercial enterprise over the last decade, drowning the hopes of IBM's proprietary servers.
they're gravitating far from the basic commercial enterprise house with mainframes and moving them into the cloud. Frank Dzubeckpresident, Communications community Architects.
"simply as Intel methods scrunched into the work environments the place IBM had been dominant, IBM goes to scrunch again with [these skinny mainframe systems] and check out to make it harder for those [Intel-based server] businesses to go after the cloud market," Dzubeck observed.
Going hand in hand with the systems' new design is the company's effort to rebrand the mainframe to enchantment to the era of more youthful IT gurus. right through an IBM briefing, the business persistently referred to as the brand new methods "a 'cloud statistics center in a box', which is simply a rack," stated one analyst. "They seemed reluctant to make use of the observe mainframe in reference to this."
IBM labored with over 80 corporations and providers in developing the new techniques, and obtained enough vital contributions to declare the programs have been "co-created" with them. those clients encompass Atos, an MSP, as well as coverage businesses Techcombank and North Carolina Farm Bureau Mutual assurance, based on IBM.
IBM plans to installation the skinny mainframe in its own public cloud records centers to extra increase security and average velocity and efficiency, noted Ross Mauri, familiar manager of IBM Z.
IBM also claims the techniques, exceptionally the z14 ZR1, can serve as the groundwork for the IBM Cloud deepest offering, to colocate storage, networking and a handful of other capabilities in the equal physical body as the mainframe server, a company spokesman stated.
Even in its 19-inch form element, the new systems have 10% greater storage ability than the z13 mainframes and with eight TB of reminiscence it has twice as a great deal reminiscence. The z14 ZR1 can method 850 million encrypted transactions a day on a single equipment. The systems are certified for Docker EE and can scale up to 330,000 Docker containers to support company builders put collectively functions that work with a microservices structure.
Ed Scannell is a senior government editor with TechTarget. Contact him at email@example.com
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IBM Certified System Programmer - IBM IMS
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This chapter covers the history of IBM's Information Management System (IMS) from its beginnings at NASA in 1969 to its current incarnation, and explains why IMS is still relevant to customers today.
This chapter is from the book
This chapter presents IMS's past and discusses IMS as a strategic part of today's computing environment.
In This Chapter:
"History of IMS: Beginnings at NASA"
"Is IMS Still Strategic for Customers and IBM?" on page 4
IMS has been an important part of world wide computing since its inception.
On May 25, 1961, United States President John F. Kennedy challenged American industry to send an American man to the moon and return him safely to earth. The feat was to be accomplished before the end of the decade, as part of the Apollo program. American Rockwell won the bid to build the spacecraft for the Apollo program and, in 1965, they established a partnership with IBM to fulfill the requirement for an automated system to manage large bills of material for the construction of the spacecraft.
In 1966, 12 members of the IBM team, along with 10 members from American Rockwell and 3 members from Caterpillar Tractor, began to design and develop the system that was called Information Control System and Data Language/Interface (ICS/DL/I). During the design and development process, the IBM team was moved to Los Angeles and increased to 21 members. The IBM team completed and shipped the first release of ICS in 1967.
In April 1968, ICS was installed. The first "READY" message was displayed on an IBM 2740 typewriter terminal at the Rockwell Space Division at NASA in Downey, California, on August 14, 1968.
In 1969, ICS was renamed to Information Management System/360 (IMS/360) and became available to the IT world.
Since 1968, IMS:
Helped NASA fulfill President Kennedy's dream.
Started the database management system revolution.
Continues to evolve to meet and exceed the data processing requirements demanded by today's businesses and governments.
IMS as a Database Management System
The IMS database management system (DBMS) introduced the idea that application code should be separate from the data. The point of separation was the Data Language/Interface (DL/I). IMS controls the access and recovery of the data. Application programs can still access and navigate through the data by using the DL/I standard callable interface.
This separation established a new paradigm for application programming. The application code could now focus on the manipulation of data without the complications and overhead associated with the access and recovery of data. This paradigm virtually eliminated the need for redundant copies of the data. Multiple applications could access and update a single instance of data, thus providing current data for each application. Online access to data also became easier because the application code was separated from data control.
IMS as a Transaction Manager
IBM developed an online component to ICS/DL/I to support data communication access to the databases. The DL/I callable interface was expanded to the online component of the product to enable data communication transparency to the application programs. A message queue function was created to maintain the integrity of data communication messages and to provide for scheduling of the application programs.
The online component to ICS/DL/I ultimately became the Data Communications (DC) function of IMS, which became the IMS Transaction Manager (IMS TM) in IMS Version 4.
February 4, 2019 Timothy Prickett Morgan
There are many things that one could constructively criticize IBM about when it comes to the Power Systems platform running the IBM i operating system. But, in recent years at least, one of those things would not be – and could not be – that the company has not done enough to embrace the most important elements of the modern programming toolbox.
In fact, the company has done and increasingly good job of embracing and extending the compilers, interpreters, frameworks, and models of the programming languages that have gone mainstream since Java first took the stage at the beginning of the dot-com boom in 1996 as an attempt to bring a simplified variant of C++, living in an idealized, simplified, and importantly portable hardware abstraction called a virtual machine. Since that time, Big Blue and the IBM i community have worked together, often with the community out in front with the active involvement of the IBMers in the developerWorks organization, to bring the Apache Web server and the Tomcat application server the OS/400, i5/OS and IBM i platform along with programming languages such as Perl, PHP, Python, and Node.js, and versioning tools such as Git, and other systems software that are are essential tools for modern programmers.
The 2019 edition of the IBM i Marketplace Survey, which was released in January and which is spearheaded by Tom Huntington, executive vice president of technical solutions at HelpSystems, provided some insight into what is going on out there on the programming front. The survey was performed last October and had 700 respondents, with 57 percent coming from the United States but only 2 percent from Canada; another 19 percent came from Europe, 15 percent came from Latin America, and the remainder was split across Australia, Asia, and Africa. As we have pointed out before, this is not precisely representative of the actual IBM i installed base, which is more heavily distributed outside of the United States; but the numbers are gradually shifting in the right direction as HelpSystems translates the survey into more languages and organizations such as IT Jungle encourage readers to take the survey.
The diversity of operating systems supported on the Power Systems platform and the ability to snap in tools created for Unix-like operating systems into the PASE AIX runtime embedded in OS/400 and its successors is a key element to the ability to get and use tools that other platforms have. (In this way, IBM preserves its own advantages such as RPG business language programming and an integrated relational database management system and grafts on the advantages of other platforms, giving it a kind of hybrid vigor.) And IBM i shops have been embracing that operating system diversity on the platform and becoming less dependent on Windows Server machines running on X86 iron elsewhere in the datacenter, as you can see from this operating system distribution from the survey:
Only 22 percent of the companies surveyed said that they were only running the IBM i platform, and frankly, we find it hard to believe that this number is not zero percent given how pervasive Windows file and print servers are. But it is possible to go it alone with IBM i, perhaps in factory or remote retail settings, and it is possible so we will take the survey respondents at face value. What is interesting in this chart is that the share of Windows Server is falling. Back in the day, somewhere north of 95 percent of IBM midrange shops reported using Windows Server alongside their OS/400 and i5/OS machines, and this has been trending down as Linux, both on Power Systems iron inside of PowerVM logical partitions and on outboard X86 systems, is on the rise. AIX has gained some penetration at IBM i shops, too, both on distinct Power Systems machinery and on PowerVM partitions on the same machines running IBM i.
As you might imagine, RPG remains the most popular programming language in use at IBM i shops, with over 84 percent of respondents saying they use RPG to create applications (or bought RPG applications from third party software vendors that do). The SQL database programming language ranks number two, at 72 percent, followed by the CL scripting language native to IBM at 47 percent and Java at 41 percent. Here’s the rundown of programming language adoption:
There are a couple of interesting things going on here. First, while 68 percent of shops report using Windows Server in their IBM i shops, only 17 percent say they are using the .NET framework from Microsoft for programming, which supports Visual Basic and the Java-inspired (that’s the nice way to say that) C# languages. We would have thought that after two and a half decades, Java would have been up there with RPG and SQL as a preferred language, but that has not happened. The proportion of COBOL is about the historical trend and tends to be concentrated in the financial services and insurance industries where code was ported from mainframes so many decades ago.
Companies were obviously allowed to put down more than one programming language as part of the survey, and if you add up all of the percentages, you get 320 percent, which implies an arithmetic mean of 3.2 languages in use per site on average across the IBM i installed base. (Well, at least this upper echelon – by which we mean the active portion, not the biggest companies or those with the largest machines – part of the IBM i base. We don’t know anything about the people who don’t take surveys and we think that the data that was gathered for the five years of the IBM i Marketplace Survey are representative of these active shops. That means those that keep their systems and operating systems relatively current and that tend to be more inclined to adopt newer technologies, ranging from storage area networks to high availability clustering to advanced programming techniques.) We are of two minds about this average. First, RPG, SQL, and CL dominate, and combined they give you an average of two languages. We think there are lots of sites that mainly use RPG and SQL, particularly those that have third party application software. It is important to realize that the survey question was not what languages were used to create your applications, but rather what languages are used for new application development. So the base could have a lot more diverse and a higher numerical distribution of compilers and interpreters than this data implies. I don’t think this is the case, but it probably averages more like five languages because whether they know it or not, there’s probably some SQL, CL, or Java running somewhere in the application stack.
The survey asked companies about what open source technologies they have deployed in their IBM midrange shops, and believe it or not the Apache web server, which IBM first commercialized as the kernel of WebSphere back in 1998, is still on the rise and that is probably happening as fewer and fewer shops use Windows Server for application and Web serving and more shops go native. That the native Apache Web server has only 40 percent penetration tells you what those Windows Server that remain are doing. It is a mix of print, file, Web, and application serving plus a healthy dose of SQL Server for analytical database processing that companies don’t want to deploy natively on their IBM i machines. Python and Node.js are on a steady rise, and the Git versioning tool is finding its own level, too.
What we can’t know from the first five surveys and what we would like to know in the sixth next year is what percentage of RPG is being coded in the modern free form style that is more like what Java does and what percentage is still using the older school, more tightly constrained older RPG model. My guess is that for new code, it is probably as high as half and half, and that is reflected in the fact that about have of the companies surveyed said that they had bought Rational Developer for i and were using it for at least some application coding. About a third of the companies that have RDi say they are using it for all of their application development, about a third say it is around half and half, and a third say it is less than half. Average that out and it is averaging around half of the applications at half of the companies surveyed are done using RDi, which implies free form RPG.
The IBM i Base Did Indeed Move On Up
The IBM i Base Is Ready To Move On Up
Investment And Integration Indicators For IBM i
Security Still Dominates IBM i Discussion, HelpSystems’ 2018 Survey Reveals
The IBM i Base Not As Jumpy As It Has Been
The Feeds And Speeds Of The IBM i Base
IBM i Priorities For 2017: Pivot To Defense
IBM i Trends, Concerns, And Observations
IBM i Survey Gets Better As Numbers Grow
Where Do Those IBM i Machines Work?
Finding IBM i: A Game Of 40 Questions
It Is Time To Tell Us What You Are Up To
IBM i Marketplace Survey: The Importance Of Being Earnest
What’s Up In The IBM i Marketplace?
IBM i Marketplace Survey Fills In The Blanks
Developments in commodity hardware, cheap storage and open source have motivated IBM mainframe pricing to drop.
Mainframes host a huge quantity of historical and operational data that's too expensive to move. But that inertia doesn't apply to newer workloads, such as processing mobile transactions.
IBM has made several attempts to change the economics of big iron versus distributed servers: Specialty engines make traditional distributed applications cheaper on the mainframe, but programming barriers and the "generosity factor" (an assigned percentage of time that a given workload can run on an SE) frustrate users. System Z New Application License Charge (zNALC) has a lot of conditions for mainframe administrators to meet, such as identifying specific types of new qualified applications to run on a separate logical partition (LPAR), following a specific naming convention.
Then came IBM's millions of service units from mobile device-based workloads.
CPU usage identified from mobile workloads must be directly attributable to executed transactions. Users cannot claim the discount based on distributed system metrics or estimates. However, neither the WMP nor supporting documentation defines "mobile device" strictly; it may mean tablets and smart phones, but not laptops. Browser-based transactions from mobile devices are included in the discount, even though they originate from a so-called traditional Web interface.
As for IBM software, eligible programs include currently supported releases of DB2 database software, CICS application servers, IMS transactional database management, MQ messaging middleware and Websphere Application Server. Users must have at least one zEC12 processor on the mainframe to participate.
The human workload
IBM's previous attempts to bring new workloads onto the mainframe required shifts in configuration, and proved difficult to manage and to obtain. MWP is a nice change of pace.
The basis for the MWP discount must be directly gathered from the accounting data of the transaction processors. Flagging mobile transactions might involve a server application adding identifying information into messages it sends to the mainframe. The information could be a flag in the input message, a unique transaction ID or special logon ID. IBM requires a "yes" or "no" indicator, but no further specifics, such as the mobile operating system or device type.
Once the mainframe receives the message, it requires some mechanism to propagate the mobile workload information into the back-end reporting system. Unique transaction or logon IDs are the simplest method, because they only require changes to back-end reporting systems. If the mobile flag is part of the input messages, CICS-based mainframe shops can easily configure user areas in their CICS monitoring facility records and relocate the flag into a performance record.
To participate in the discount to IBM mainframe pricing, you must submit your plan for identifying mobile transactions to IBM for approval. Upon approval, you sign a contract addendum titled, "The System Z AWLC and AEWLC Addendum for Mobile Workload Pricing" (number Z126-6300), then download the Mobile Workload Reporting Tool (MWRT).
MWRT replaces the Sub Capacity Reporting Tool (SCRT) that many IBM shops already use. MWRT takes in the System Management Facility type 70 and 89 records, and the user supplies a comma separated value (CSV) file containing the number of mobile CPU seconds per LPAR per hour.
Like SCRT, MWRT computes the peak four-hour rolling average for each LPAR in the shop. Then it discounts the mobile CPU seconds -- supplied by the CSV file -- by 60% and applies it to the entire software stack, not just to the transaction processor that ran the transaction.
Thus, if 30% of your online CPU comes from mobile devices, you could see an 18% discount in monthly license charges.
IBM has care and feeding details for MWRT in the MWRT User's Guide.
About the author:
Robert Crawford spent 29 years as a systems programmer, covering CICS technical support, Virtual Storage Access Method, IBM DB2, IBM IMS and other mainframe products. He programmed in Assembler, Rexx, C, C++, PL/1 and COBOL. Crawford is currently an operations architect based in south Texas, establishing mainframe strategy for a large insurance company.
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