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Agile Tour Chennai 2015: Nexus - SRV Subrahmaniam

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Agile Tour Chennai 2015: Nexus - SRV Subrahmaniam

  1. 1. Nexus – Scaled Professional Scrum An Overview India Agile Tour 2015 Chennai Oct. 28 S R V Subrahmaniam PMP, ACP, CSP SAFe Program Consultant (SPC) Altimetrik
  2. 2. Slide 2 When Scaling, the context is different CONTEXT Single team Agile at Scale 7-9 > 100sTeam Size Co-located GlobalGographic Distribution Single Division Multi-departmentOrganizational Distribution Less or none Life CriticalCompliance Straightforward ComplexDomain Complexity Straightforward Multi-platform / complexTechnical Complexity Less or none Upstream / DownstreamIntegration needs Homogenous Heterogenous mixEnvironment complexity
  3. 3. Slide 3 Case with multiple teams CONTEXT ▸ Can velocity scale linearly? i.e. to achieve more velocity can we add more teams? ▸ Dependencies will dampen the velocity Slide adapted from Nexus presentation in Scrum.org ▸ Ken Schwaber calling it as Reification – making a concrete, worthwhile integrated product consumes additional overhead ▸ Continuous Integration ▸ Automation
  4. 4. Slide 4 The Nexus™ Framework NEXUS Image source: https: / / www.s c rum . org/ portal s /0/ pres ent ati ons /Ken% 20S chwaber%20 -%20Sc aled% 20P rof es sional%20Sc rum .pdf One new team and four extended ceremonies for for 3- 9 Scrum Teams
  5. 5. Slide 5 Integration Team NEXUS ▸ A scrum team responsible for producing the integrated increment. ▸ Owner of ‘Definition of Done’ applied at Integrated Increment during the Sprint. Slide adapted from Scaled Agile Framework public slidedeck ▸ Nexus team members can be part-time, i.e. can be part of individual scrum teams, but their Integration team membership takes priority
  6. 6. Slide 6 Layered Nexus Ceremonies NEXUS Sprint Planning Nexus Sprint Goal formulated jointly. Teams plan their own individual backlogs Align for dependancies Review A single demo of the integrated product Daily Stand-up Nexus daily scrum precedes daily stand-up to discuss product integration, dependencies and information sharing needs Retrospective Identify shared issues Perform individual team retros Align on actions
  7. 7. Slide 7 Nexus Work Products NEXUS Nexus Sprint Goal Nexus Sprint Goal formulated jointly. Nexus Sprint Backlog Highlights the dependancies Product Backlog Single backlog for the Nexus team well groomed with dependancies noted Integrated Work Product Frequently integrated
  8. 8. Slide 8 So Scrum is indeed fractal at Scale! With principles of Scrum intact Principles Scale fractally Underlying Principles of Transperancy, Visibility, Frequent Inspection and Adaptation, Continous Improvement apply Practices do, in Nexus Layered Sprint ceremonies help it achieve Pythogoras Tree CLOSURE A fractal is a natural phenomena and a mathematical set. What they have in common is a repeating pattern that displays at every scale. “discovery and emergence through the empirical process” Gunther Verheyen
  9. 9. QUESTIONS & ANSWERS Go ahead. Don‘t hesitate.
  10. 10. Slide 10 Let us stay in touch! CONTACT Twitter twitter.com/srv_subbu LinkedIn ln.linkedin.com/in/srvsubbu E-Mail Srv.subbu@yahoo.in
  11. 11. THANK YOU For your attention!

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