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Automating Brownfield Application Modernization on Pivotal Cloud Foundry

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The document discusses brownfield application modernization and enterprise digital transformation, highlighting challenges such as infrastructure failure and monolithic architecture. It also outlines key learnings for Pivotal Cloud Foundry (PCF) implementations, including managing APIs and using dedicated network subnets. The presentation emphasizes the need for organizations to adapt to changing business needs with efficient cloud strategies.

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Brownfield Application Modernization Ashok Balasubramanian Naman Kher
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Enterprise Digital Transformation 2 38 Years 23K Consultants $966M Revenues (TTM) 1M+ workloads 500+ Cloud Projects
the
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ What’s holding back?  We don’t know what business will eventually need  Differentiate every week  Scaling is viral  Infrastructure will fail 4  Monolithic Architecture  Tied to OS/ Middleware  Security is someone else’s problem  Annual scaling plans  Quarterly release is awesome  Support will keep it running
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ When? 5 Analyze Upgrade Secure
mLOC X 1000s Workloads X 10s Patterns X 100s Dev
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
8 Spring Bank
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Automating Brownfield Application Modernization on Pivotal Cloud Foundry
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ 37
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ 38
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ 39
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ 40
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ 41
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ 42
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ 43
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ 62
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Key Learnings – PCF Implementations 65 3 2 Manage APIs and API Hops for better external Service Discovery. 1 Reduce the number of external hops in the Distributed MicroServices Architecture. 6 5 4 8 7 Use a Dedicated Network Subnet for PCF Foundation. Use Distributed and Centralized Caching Server for State full applications. Define Capacity Quotas for PCF Orgs and Spaces. Follow proper naming conventions for PCF orgs and Spaces to reflect Biz Domains and Subdomains. Implement 15 Factors for Cloud Native Applications. Identify Key Performance Indicators for Cloud.
Email: Naman_Kher@syntelinc.com Website: www.syntelinc.com

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Automating Brownfield Application Modernization on Pivotal Cloud Foundry

  • 1. Brownfield Application Modernization Ashok Balasubramanian Naman Kher
  • 2. Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Enterprise Digital Transformation 2 38 Years 23K Consultants $966M Revenues (TTM) 1M+ workloads 500+ Cloud Projects
  • 3. the
  • 4. Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ What’s holding back?  We don’t know what business will eventually need  Differentiate every week  Scaling is viral  Infrastructure will fail 4  Monolithic Architecture  Tied to OS/ Middleware  Security is someone else’s problem  Annual scaling plans  Quarterly release is awesome  Support will keep it running
  • 5. Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ When? 5 Analyze Upgrade Secure
  • 6. mLOC X 1000s Workloads X 10s Patterns X 100s Dev
  • 7. Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
  • 9. Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
  • 10. Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
  • 12. Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
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  • 63. Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/
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  • 65. Unless otherwise indicated, these slides are © 2013 -2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by -nc/3.0/ Key Learnings – PCF Implementations 65 3 2 Manage APIs and API Hops for better external Service Discovery. 1 Reduce the number of external hops in the Distributed MicroServices Architecture. 6 5 4 8 7 Use a Dedicated Network Subnet for PCF Foundation. Use Distributed and Centralized Caching Server for State full applications. Define Capacity Quotas for PCF Orgs and Spaces. Follow proper naming conventions for PCF orgs and Spaces to reflect Biz Domains and Subdomains. Implement 15 Factors for Cloud Native Applications. Identify Key Performance Indicators for Cloud.

Editor's Notes

  • #6: https://www.shutterstock.com/image-vector/business-audit-financial-analytics-statistics-flat-400315855?src=f-HZMkpKLlLCxCd4Zi_K6Q-1-89 https://www.shutterstock.com/image-illustration/3d-rendering-circuit-cloud-server-computer-1018377364?src=JJ0FfMiR4b2JBVpL67j7HA-1-1 https://www.shutterstock.com/image-vector/concept-devops-illustrates-communication-collaboration-between-585524129?src=CTMEe4d2tCeFrkvitfssxQ-1-13
  • #9: Application: It aggregates account details of customers across various Financial institutions and populates in a dashboard Current State: It uses spring as an architectural framework and is currently deployed in Web Logic We need to migrate this into Cloud native application running on top of spring boot.
  • #10: Most of our Customer challenges for bulk migration say around 1000+ apps, manual steps are a hinderence, we have looked to automate as many as we can. Bunch of manual steps – change config files @ weblogic, app server related settings, ssl profiles, url, jdbc connections strings, Application.yaml. Targetting different build servers and SCM Code changes, http session, hard coded IP addresses , in mem http sessions
  • #11: For cloud migration, deployment profiles targeting various cloud providers. DB migration – Like to Like from on prem to cloud, with schema migration and mounting data on the instances.
  • #12: We will walk through CLM migration – IN this case Configuring repository – IN this case we are doing SVN but We can do git, gitlab, github etc as well..
  • #15: Here the tool runs the code base through a patented set of rules, called CCAT – which helps identify changes in an application which doesn’t complies with the cloud principals. The tool and rules are platform and language agnostic. We can always configure rules within the system to adhere to the enterprise standards in addition to the industry specifies for example a logicstic customer of ours have broken these into a set of 29 rules. When CCAT runs through the application, it identifies all the violations, estimates efforts for remediation, auto remediate some 30% of violations and flags the remaining to help development team to concentrate and correct. It divides all the violations into 4 categories: Blocker, Major, Minor, Info **************Explaination for all those follow ************* to display a dashboard on the next slide
  • #17: Here the tool runs the code base through a patented set of rules, called CCAT – which helps identify changes in an application which doesn’t complies with the cloud principals. The tool and rules are platform and language agnostic. We can always configure rules within the system to adhere to the enterprise standards in addition to the industry specifies for example a logicstic customer of ours have broken these into a set of 29 rules. When CCAT runs through the application, it identifies all the violations, estimates efforts for remediation, auto remediate some 30% of violations and flags the remaining to help development team to concentrate and correct. It divides all the violations into 4 categories: Blocker, Major, Minor, Info **************Explaination for all those follow ************* to display a dashboard on the next slide