IMS V13 Overview. Deepak Kohli IMS Product Management

Transcription

1 IMS V13 Overview Deepak Kohli IMS Product Management 1

2 Announcements IMS 13 QPP announce date: October 3, 2012 IMS 13 QPP start date: December 14, 2012 IMS 13, IMS 13 DB VUE & IMS Enterprise Suite 3.1 announce date October 1, 2013 IMS 13, IMS 13 DB VUE & IMS Enterprise Suite 3.1 GA date: October 25, 2013

3 IMS 13 At a Glance Database Management Transaction Management and Connectivity Systems Management HALDB Alter DEDB Alter Database Versioning Native SQL.NET Access to IMS Data Synchronous Program Switch OTMA Descriptor Support for WebSphere MQ Bridge OTMA Early Termination Notification OTMA Enhancements IMS to CICS via ISC over TCP/IP IMS Shared Queues Local First EnhancementI Reduce TCO Increase number of concurrent applications Elimination of SECURITY Macro Standalone Security User Exits Log Latch Reduction User Exit Enhancements JDR support for ESAF DIAG Command Enhancements IMS Connect Enhancements

4 IMS 13 Overview topics Lowering TCO Openness with Industry Standard Interfaces Faster time to market with Database Versioning Increased Availability, Autonomics & Dynamic Capabilities Integration Usability/Simplification 4

5 5 Highest Efficiency, Lowest Total Cost of Ownership

6 Reducing Costs Reduced Cost Major focus on reducing CPU usage Changes throughout IMS to improve performance, reduce storage usage and reduce CPU used to run IMS Using more efficient storage services Improved algorithms Reducing pathlength Optimizing frequently used processes Latch / lock improvements Storage reductions Use of zenterprise hardware functions Benefits: Improved performance, lower cost per transaction, reduced cost of ownership 6

7 IMS 13 and Java Reduced Cost IMS 13 Universal DB Driver delivers: Up to 65% CPU time savings for Java applications in the Java Batch Processing Region Up to 17% elapsed time savings for Java applications in the Java Batch Processing Region 7

8 IMS 13 on IBM zec12 = Superior Performance Reduced Cost 10% CPU reduction, per Full Function transactions, from IMS 12 to IMS 13 for IMS Connect, HALDB workload with 10K clients 31% CPU reduction, per Fast Path transactions, from IMS 12 to IMS 13 for IMS Connect workload using FP 64 bit buffers Multiple concurrent BMP jobs on IMS 13 complete in up to 50% lower elapsed time compared with IMS 12 Up to 89% reduction in log latch contention on IMS 13; can improve your overall throughput, lowering cost per transaction even more Cost-effective ziip solutions for some IMS workloads lower CPU consumption by up to 23 % 8

9 Performance, Reduced Cost IMS 13: Highest Efficiency, Lowest TCO IMS V11: 29,000 trans/sec lab benchmark on IMS 11/z10 IMS V12: 46,000 trans/sec lab benchmark on IMS 12/z196 IMS V13: 9

10 10 100,000 transactions per second, on a single IMS system, sustained!

11 Performance, Reduced Cost IMS 13: Highest Efficiency, Lowest TCO IMS 13 s 100,000 trans per second was actually: 117, 292 trans per second 11

12 12 Openness with industry standard interfaces

13 IMS 13: Openness with industry standard interfaces Native SQL support for IMS COBOL programs Reduced Time First non-relational DBMS to provide SQL access from COBOL programs Addresses the skills concern for customers 13

14 IMS 13: Openness with industry standard interfaces IMS Data Provider for Microsoft.NET SQL access to IMS data from a.net environment Reduced Cost Statement of Direction : IBM intends, at a future time, possibly via its support and service processes, to make available IMS Data Provider for Microsoft.NET as part of the IMS Enterprise Suite for Distributed Systems offering. IMS Data Provider for Microsoft.NET will be designed to provide standard SQL access to IMS data from Microsoft.NET applications. The intention is to allow Microsoft.NET applications to transparently and directly read and manipulate IMS data without the need for intermediate steps and additional tooling to accomplish these tasks. IBM's statements regarding its plans, directions, and intent are subject to change or withdrawal without notice at IBM's sole discretion. Information regarding potential future products is intended to outline our general product direction and it should not be relied on in making a purchasing decision. The information mentioned regarding potential future products is not a commitment, promise, or legal obligation to deliver any material, code or functionality. Information about potential future products may not be incorporated into any contract. The development, release, and timing of any future features or functionality described for our products remains at our sole discretion. 14

15 15 Faster time to Market with Database Versioning

16 IMS V13: Database Versioning Reduced Time Enables structural changes to a database without having to modify existing IMS applications that access that database Structural changes limited to segment length increases A A B C B C Benefits: Faster time to Market Provides greater flexibility in rolling out new versions of programs and databases Allows new programs to get out faster without waiting for all programs to be updated to the new database structure 16

17 Increased Availability, Autonomics and dynamic capabilities 17

18 HALDB Alter Reduced Time Change the structure of an IMS HALDB without a DB outage Increase the length of an existing segment Add a new field to space at the end of an existing segment A A B C B C Benefits: Improves IMS HALDB availability by providing structure changes without taking the database offline Provides flexibility in rolling database changes into the system 18

19 DEDB Alter Reduced Time IMS 13 adds ability to dynamically change DEDB specifications Users can dynamically change UOW, SIZE, ROOT and Randomizer while DEDB is online New DEDB Alter utility is used to make changes Benefits: Improves DEDB Area availability by providing definitional changes without taking the Area offline Provides flexibility in rolling Area changes into the system 19

20 Reduced Cost IMS 13: Availability, Autonomics & Dynamic Capabilities Greater ease-of-use with IMS Connect Enhanced OTMA Autonomics TCO reduction 20

21 21 Integration

22 InterSystem Communication (ISC) Over TCP/IP New option that supports TCP/IP network connectivity for Intersystem Communication (ISC) connections IMS CICS Supports both static and dynamic terminals Requires CICS Transaction Server for z/os 5.1 Announced October 3, 2012 Reduced Time Benefits: Provides a strategic protocol alternative to SNA/VTAM Allows an all inclusive TCP/IP solution for networks 22

23 Synchronous Program Switch Reduced Time Extend IMS Synchronous Callout to allow DL/I ICAL to invoke another IMS Application DL/I ISRT continues to be used for asynchronous program switch Benefits: Provides a single DL/I call to request a synchronous service regardless of where that service resides Simplifies integration and improves usability 23

24 Reduced Time Asynchronous Callout to WebSphere MQ via MQ Bridge OTMA Descriptor enhancements New TYPE=MQSERIES to define WebSphere MQ destination Provides asynchronous callout and messaging support (DL/I ISRT ALTPCB) WebSphere MQ IMS OTMA IMS Application Benefits: Eliminates need to write an OTMA user exit to recognize an MQ destination Simplifies integration and improves usability 24

25 IMS Java Dependent Region use of External Subsystem Attach Facility Allow Java Dependent regions to use the External Subsystem Attach Facility Allows connections for DB2 to be consistent across all region types Allows access to other subsystems such as WebSphere MQ Eliminates the need to use RRS Attach for DB2 Reduced Cost WebSphere MQ IMS Java Application DB2 z/os Benefits: Allows JMS access to MQ from Java Allows MQ access from COBOL and PL/I Simplifies external subsystem definitions Improved performance for DB2 due to eliminating extra signon processing 25

26 Increase Number of Application Threads 4 x the number of applications! Reduced Cost Increase the limit of concurrent application threads to 4095 Limit applies to the total number of combined: Dependent Regions CICS/DBCTL threads Open DB Access (ODBA) threads 31 dependent regions (IMS 1.1.6) 999 dependent regions (IMS 5.1) 4095 dependent regions (IMS 13) Benefits: Increased capacity and scalability for IMS systems Allows vertical growth More dependent regions for use with synchronous callout and program switch 26

27 Integration with WebSphere DataPower appliance V6.0 (5725-K52) Reduced Cost IMS Synchronous Callout Support for customers who need a high performance IMS callout solution. IMS Database Support enables a direct connection to an IMS database through the IMS Universal JDBC Driver. This support allows you to issue dynamic SQL calls such as basic CRUD operations on the IMS database. IMS Connect Support allows distributed services to drive an IMS transaction through DataPower. 27

28 28 Usability/Simplification

29 SECURITY Macro removed from SysGen System Definition macro SECURITY is no longer used as part of the IMS system generation process Specify security settings through PROCLIB members RCLASS parameter added to DFSPBxxx RCLASS also supported in DFSDCxxx DFSPBxxx RCLASS parameter value overrides DFSDCxxx if both specified SECCNT parameter added to DFSDCxxx Other Security settings continue to be specified in DFSPBxxx SECLVL parameter is replaced by RCF, TRN and SGN in DFSPBxxx TYPE parameter is replaced by ISIS in DFSPBxxx Reduced Time Benefits: Simplified system generation process Easier method to update security related settings 29

30 Security User Exits removed from Nucleus Reduced Time User exits DFSCSGN0 (Signon/Signoff), DFSCTRN0 (Tran. Authorization) and DFSCTSE0 (Security Reverification) now linked separately, loaded from STEPLIB (if present) into 31- bit storage New DFS1937I message indicates which user exits have been loaded Can be used in automation to ensure that exits are being used DFSCSGN0 now called at IMS initialization Storage can be obtained and shared with the other exits using a new parameter that contains the storage address Benefits: Simplifies process to customize IMS with user exits Simplifies writing of user exit DFSCSGN0 Reduces 24-bit private virtual storage usage 30

31 User exit enhancements Reduced Time Build Security Environment User Exit (BSEX) Log Record Edit User Exit (LOGEDIT) Logger User Exit (LOGWRT) Non-Discardable Messages User Exit (NDMX) OTMA Input/Output User Exit (OTMAIOED) OTMA Security User Exit (OTMARTUX) OTMA Destination Resolution User Exit (OTMAYPRX) Resource Access Security User Exit (RASE) 31

32 User exit enhancements Reduced Time The enhanced user exit services provide you the ability to: Use the REFRESH USEREXIT command to bring in a new copy of a user exit routine without bringing IMS down Use the QUERY USEREXIT command to display information about the user exit Define multiple user exit routines that are called for a user exit type Benefits: Simplifies process for User exit Maintenance 32

33 IMS Explorer for Development Reduced Time Catalog Navigation View A new Eclipse view that will allow you to navigate through the PSBs/DBDs on a given IMS catalog. Invoke queries like "What DBDs are referenced by this PSB" or "What PSBs reference this DBD". You will be able to filter the list of PSBs/DBDs using a search dialog wherein you can provide a portion of a resource name and any resource containing that substring will be listed in the search results view. Productivity aid for DBAs and IMS application Programmers 33

34 IMS Explorer for Development Reduced Time Catalog Navigation View 34

35 IMS Explorer for Development Reduced Time IMS Transaction Unit Test Support A Transaction editor, a Test Case editor, and runtime console will be provided. The tooling enables the user to define transaction attributes and provide transaction input messages in human readable format. The tooling will automatically handle the data conversion and send the message payload to IMS to invoke a given transaction. The user will be able to easily duplicate existing test cases and tweak input messages in order to exercise different code paths within their applications. Used in conjunction with the Debug tool it will be a powerful tool set for developing, maintaining, and debugging IMS transactions. Productivity aid for IMS application programmers 35

36 IMS Explorer for Development IMS Transaction Unit Test Support Reduced Time 36

37 IMS Explorer for Administration A replacement for IMS Control Center. A web-based console to operate and administer IMS. Reduced Time IMS Explorer for Administration can query, start, and stop IMS resources from an easy-to-use browser interface. It can discover IMS resources, show the health of the resources, and show relationships between them. Resources can be filtered and context sensitive help is provided. IMS Explorer for Administration is available through APAR PM94292 as an extension of the Administration Console component of IBM Tools Base for z/os, V1.4 (5655-V93). 37

38 38 IMS Resource Relationships

39 Acknowledgements and Disclaimers Availability. References in this presentation to IBM products, programs, or services do not imply that they will be available in all countries in which IBM operates. The workshops, sessions and materials have been prepared by IBM or the session speakers and reflect their own views. They are provided for informational purposes only, and are neither intended to, nor shall have the effect of being, legal or other guidance or advice to any participant. While efforts were made to verify the completeness and accuracy of the information contained in this presentation, it is provided AS-IS without warranty of any kind, express or implied. IBM shall not be responsible for any damages arising out of the use of, or otherwise related to, this presentation or any other materials. Nothing contained in this presentation is intended to, nor shall have the effect of, creating any warranties or representations from IBM or its suppliers or licensors, or altering the terms and conditions of the applicable license agreement governing the use of IBM software. All customer examples described are presented as illustrations of how those customers have used IBM products and the results they may have achieved. Actual environmental costs and performance characteristics may vary by customer. Nothing contained in these materials is intended to, nor shall have the effect of, stating or implying that any activities undertaken by you will result in any specific sales, revenue growth or other results. Copyright IBM Corporation All rights reserved. U.S. Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. IBM, the IBM logo, ibm.com, and IMS are trademarks or registered trademarks of International Business Machines Corporation in the United States, other countries, or both. If these and other IBM trademarked terms are marked on their first occurrence in this information with a trademark symbol ( or ), these symbols indicate U.S. registered or common law trademarks owned by IBM at the time this information was published. Such trademarks may also be registered or common law trademarks in other countries. A current list of IBM trademarks is available on the Web at Copyright and trademark information at Other company, product, or service names may be trademarks or service marks of others. 39

40 40 Thank You!