MAINFRAMES. Operating system Z/OS, OS/390 Programming Languages...

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MAINFRAMES MAINFRAMES

Transcript of MAINFRAMES. Operating system Z/OS, OS/390 Programming Languages...

Page 1: MAINFRAMES. Operating system Z/OS, OS/390 Programming Languages COBOL,PL/I,ASSEMBLER,REXX,JCLDatabaseDB2,IMS,VSAMOnlineCICS.

MAINFRAMESMAINFRAMES

Page 2: MAINFRAMES. Operating system Z/OS, OS/390 Programming Languages COBOL,PL/I,ASSEMBLER,REXX,JCLDatabaseDB2,IMS,VSAMOnlineCICS.

Operating systemOperating systemZ/OS, OS/390Z/OS, OS/390

Programming LanguagesProgramming LanguagesCOBOL,PL/COBOL,PL/

I,ASSEMBLER,REXX,JCLI,ASSEMBLER,REXX,JCL

DatabaseDatabaseDB2,IMS,VSAMDB2,IMS,VSAM

OnlineOnlineCICSCICS

Page 3: MAINFRAMES. Operating system Z/OS, OS/390 Programming Languages COBOL,PL/I,ASSEMBLER,REXX,JCLDatabaseDB2,IMS,VSAMOnlineCICS.

AdvantagesAdvantages Concurrent usersConcurrent users High Processing SpeedHigh Processing Speed StorageStorage TSOTSO MultiprogrammingMultiprogramming MultiprocessingMultiprocessing SecuritySecurity ReliableReliable Batch ProcessingBatch Processing

Page 4: MAINFRAMES. Operating system Z/OS, OS/390 Programming Languages COBOL,PL/I,ASSEMBLER,REXX,JCLDatabaseDB2,IMS,VSAMOnlineCICS.

DomainsDomains

BankingBanking FinanceFinance InsuranceInsurance Market Research (Retail)Market Research (Retail) TelecomTelecom

Page 5: MAINFRAMES. Operating system Z/OS, OS/390 Programming Languages COBOL,PL/I,ASSEMBLER,REXX,JCLDatabaseDB2,IMS,VSAMOnlineCICS.

So farSo far

Mainframes is a very stable Mainframes is a very stable environmentenvironment

It has been there in the Software It has been there in the Software Industry for more than 40 yearsIndustry for more than 40 years

No new technology can totally No new technology can totally replace Mainframes because of its replace Mainframes because of its architecture and efficiencyarchitecture and efficiency

Page 6: MAINFRAMES. Operating system Z/OS, OS/390 Programming Languages COBOL,PL/I,ASSEMBLER,REXX,JCLDatabaseDB2,IMS,VSAMOnlineCICS.

Current trendCurrent trend

Around 80% of Mainframes projects Around 80% of Mainframes projects are maintenance projectsare maintenance projects

Only 20% or less are development Only 20% or less are development projectsprojects

The reason being the cost factor. The The reason being the cost factor. The hardware maintenance cost and the hardware maintenance cost and the initial investment required is too initial investment required is too high.high.

Page 7: MAINFRAMES. Operating system Z/OS, OS/390 Programming Languages COBOL,PL/I,ASSEMBLER,REXX,JCLDatabaseDB2,IMS,VSAMOnlineCICS.

Current trendCurrent trend

Migration projects are the current Migration projects are the current trend in the markettrend in the market

Reasons:Reasons:

User friendly screensUser friendly screens

Maintenance costMaintenance cost

Page 8: MAINFRAMES. Operating system Z/OS, OS/390 Programming Languages COBOL,PL/I,ASSEMBLER,REXX,JCLDatabaseDB2,IMS,VSAMOnlineCICS.

FutureFuture

A survey to determine the current A survey to determine the current demand for mainframes found that demand for mainframes found that more than half of the respondents more than half of the respondents still have major applications running still have major applications running on mainframeson mainframes

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Page 10: MAINFRAMES. Operating system Z/OS, OS/390 Programming Languages COBOL,PL/I,ASSEMBLER,REXX,JCLDatabaseDB2,IMS,VSAMOnlineCICS.

In DBAIn DBA

We are working on mainframes right We are working on mainframes right from the day company started.from the day company started.

We are experts in PL/I, IMS but we We are experts in PL/I, IMS but we have also worked on COBOL, DB2 have also worked on COBOL, DB2 Projects.Projects.

Our clients:Our clients:

ACNielsen, Blue Cross Blue ShieldACNielsen, Blue Cross Blue Shield

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