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Enterprise Service Bus Proof of Concept To the service bus and beyond... Administrative Technology Services: Enterprise Applications.

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Presentation on theme: "Enterprise Service Bus Proof of Concept To the service bus and beyond... Administrative Technology Services: Enterprise Applications."— Presentation transcript:

1 Enterprise Service Bus Proof of Concept To the service bus and beyond... Administrative Technology Services: Enterprise Applications

2 Agenda – Lisa Justiniano

3 Agenda  Goals  Objectives  Introduction to ESBs  Benefits  Recommended Solution  Impact  Timeline  Q & A 3

4 Project Goal Problem: We keep “inventing” different ways to accomplish similar integration tasks, leading to a variety of software that needs to be maintained, supported and enhanced by staff who understand that particular technique. Solution: Provide standard ways to achieve these common integration tasks, thereby simplifying our software base and making it more easily maintainable and accessible by our partners in a consistent manner. 4

5 POC Goals 1.Get experience with Enterprise Service Bus (ESB) software in general and with 2 or 3 specific ESB products. 2.Determine if an ESB could address our problem statement. 3.Identify an ESB that might best fits our needs. 4.Achieve these goals in three months (April – June, 2014) 5 POC Team John Marks (GMAS Practice) John Shen (PeopleSoft Practice) Sreeni Gunnala (FinProc Practice) Bill Brickman (HDW Practice) Mike Thomas (Lead Architect) Lisa Justiniano (Sponsor)

6 Objectives – John Shen

7 Objectives Adopt a standard, very high-level language for building integrations between systems. Replace existing solutions that we use to integrate systems, currently written in a variety of languages including: –Perl –ksh, bash, awk, sed –SQL*Plus, SQL*Loader –Java Stop implementing a different solution for the same general problem over and over. Make our integrations between applications more resilient by reducing or eliminating timing dependencies. 7

8 Objectives Utilize a centralized solution in order to: –Reduce cost and time to production –Improve operational transparency –Reduce security complexity and overhead Deploy a low cost, open and extendible solution. Transition slowly and incrementally over time to avoid major disruption and allow measured adoption. 8

9 Introduction to ESB Software - John Marks

10 Introduction to Enterprise Service Bus Software Two Logical Components 1.ESB 2.Message Queues 10 /query/lastName ${body[0][CNT]} ${bodyAs(String)} Sample Code: monitor a folder xpath extract sql query write result to file

11 ESB Functionality Host web services and call external web services Monitor folders (local and remote) for incoming files Transfer files to remote systems Query and update databases Query LDAP / AD directories Send and receive JMS messages Send and receive email XML parsing, searching etc. Call shell scripts, Java bundles Do SNMP queries TCP sockets 11

12 Benefits – Bill Brickman

13 Benefits Faster to market. More easily maintainable integrations: –Fewer lines of code. –Simple, URL-like, syntax. –Code is provided for us, we just write the configuration. Integration libraries (DB, web services, LDAP & AD, etc.) means we can do things we wouldn’t have attempted before. Transformations become possible, both in payload and in transmission protocol, without modifying the source or target systems. 13

14 Benefits To make both synchronous and asynchronous integrations easier. To enable all applications to take advantage of asynchronous integration, meaning: –Applications are decoupled so dependencies are relaxed: One application can be taken down for maintenance without notifying or affecting other applications. Less worry about missed time windows (as with current batch transfers). 14 –Move from batch to transactional: fresh data gets to users faster.

15 Benefits Enforce generic and modular coding style –Many small reusable bundles of code. Improve operational transparency –One place to see source of issues and usage trends. Reduce security overhead –a common gateway where security is already controlled (ACLs and logins). Centralized simplicity vs. point-to-point complexity

16 Benefits 16 Eliminate the “daisy chain” method of obtaining information so that: –Data gets to the end- users faster –Subscribers don’t need to know much about the source systems –There is a single source of “truth”

17 Recommended Solution - Mike Thomas

18 Recommended Solution 18 We looked at several products: –Mule ESB –Apache ServiceMix –Red Hat jBoss Fuse three closely related and use ActiveMQ –Red Hat jBoss Fabric8 –Informatica Our recommendation: ESBMessage Queue – Fabric8 for cloud deployment- ActiveMQ – ServiceMix for conventional deployment Free, open source, standards compliant Multiple vendors (Apache – free; Red Hat – QA and support) All support fail-over and load balancing

19 Recommended Solution – Deeper Dive Fabric8 and Service Mix have common components: –OSGi Containers: Apache Felix, Apache Aries (deploy bundles) –Command line UI: Apache Karaf –Integration Library: Apache Camel (routes) –Web Services Library: Apache CXF 19 –Many more Fabric8 adds cloud deployment features. Developer (standalone) setup in 5-10 minutes.

20 Recommended Solution – Deeper Dive ActiveMQ JMS message broker –supports both kinds of message queues: point to point publish / subscribe –backed by our choice of persistence: Kaha DB, AMQ storage, JDBC (MySQL, Oracle, etc.) If necessary we will evaluate alternatives to ActiveMQ like: –Oracle DB JMS implementation –Red Hat A-MQ 20

21 Recommended Solution - Architecture Some possible configurations: A. Multiple message brokers, private to specific groups of applications. B. Single message broker, each application has its own ESB. C. Single ESB and single message broker. D. Shared message broker, ESBs private to groups of applications. 21

22 Recommended Solution - Architecture In the future we may need to move to a more complex architecture: –for performance reasons –to isolate populations (of developers, or systems, or even users) from one and other Lowest cost and provides most benefit in terms of shared security, logging and auditing. Reduced deployment time (infrastructure and ACLs are already in place). Developer environment and deployables are the same regardless of which architecture we choose, so is possible to change architecture over time. 22 Our recommendation:

23 Impact – Sreeni Gunnala

24 Impact Impact on ATS Developers: –New language, new deployment mechanisms. –First integration might be hard. Second one is easy. Training materials will be available. –Reduction in labor and drudgery required to build integrations Impact on ESB POC team: –Outreach: demos, brown bags, wiki, and training materials. –Best practices for error handling, logging, integrating with scheduling and monitoring tools, and security and authorization. –Build-out TEST and PROD infrastructure (including evaluating alternatives to ActiveMQ like Oracle DB’s JMS). 24

25 Impact Impact on Integration partners: –Will need to learn how to “subscribe” to a service –Will need to learn how to “consume” a service –Will need to assist with testing and they... –Will get new options for integrating with Enterprise Applications –Will see improved reliability. –Will see reduced time to market for new integration requests. 25

26 Next Steps – Lisa Justiniano

27 Next Steps Immediately build our TEST environment Each Practice (Enterprise Applications) will identify one or two integrations that they would like to deploy via this new ESB as part of their FY15 Innovation Goal –New integration –Existing Service –Change management implications Confirm our architectural choices Expand infrastructure to support load balancing and fail-over. Build our PROD environment Deploy and stabilize 27

28 Next Steps 1.Prepare TEST Environ: months 0-4 –Install and configure bare-bones infrastructure –Determine and document best practices 2.Build Integrations: months 2-18 –Build and test internal integrations –Verify assumptions –Assess learning curve –Assess support issues –Confirm low impact and minimized risk 3.Rollout Pilot: months 8 –18 –Upgrade infrastructure for fail-over / load balancing –Build PROD environment –Deploy Pilot Integrations –Stabilize PROD environment and integrations –Refine training materials 4.Rollout to ATS: month 18 & beyond 28 PrepareBuildPilotRollout

29 Q & A

30 Example Camel Route /query/lastName ${body[0][CNT]} ${bodyAs(String)} 30

31 Contact ( x 60093 ) for more

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