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  1. SAFe Program
  2. SP-460

Investigate sub array isolation: Different software versions

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      This investigation allows us to measure aspects of robustness as an NFR. Ability to run different software versions allows us to upgrade in parts without reseting the entire telescope. Incremental fixes and patches in the running system also possible. 

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      This investigation allows us to measure aspects of robustness as an NFR. Ability to run different software versions allows us to upgrade in parts without reseting the entire telescope. Incremental fixes and patches in the running system also possible. 
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    Description

      Investigate sub array isolation: Different software versions by carrying out DESIGN SPIKE

      This ticket has been split into 2, this one is a DESIGN SPIKE and is CLONED by SP-941 wherein the testing can be done

       In the Design Spike it is expected mainly to look at the different scenarios under which different software versions are expected to coexist,the  needed support like backward compatibility etc. and possible implementation approach to ensure.

      This is one of the aspects of the robustness of the TMC architecture as an NFR. 

      Different sub arrays should be able to run different software versions. This will enable us to upgrade software incrementally in a running system.

      Additional point that we should bear in mind that came up in the Backlog refinement workshop:

      Consider whether we need to isolate namespaces to prevent contamination across subarrays, and commence development of a general strategy to deal with devices going down.

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          is cloned by

          Enabler - An Enabler supports the activities needed to extend the Architectural Runway to provide future business functionality. These include exploration, architecture, infrastructure, and compliance. SP-941 Sub array isolation: Testing interop of different software versions

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          • Discarded
          relates to

          Feature - A Feature is a service that fulfills a stakeholder need. Each feature includes a benefit hypothesis and acceptance criteria, and is sized or split as necessary to be delivered by a single Agile Release Train (ART) in a Program Increment (PI). SP-541 Scalability and robustness of the CSP.LMC and Mid.CBF prototypes

          • Not Assigned - Priority is not assigned yet.
          • Done

          Enabler - An Enabler supports the activities needed to extend the Architectural Runway to provide future business functionality. These include exploration, architecture, infrastructure, and compliance. SP-926 Document and revise the physical architecture of the "MVP"

          • Done

          Feature - A Feature is a service that fulfills a stakeholder need. Each feature includes a benefit hypothesis and acceptance criteria, and is sized or split as necessary to be delivered by a single Agile Release Train (ART) in a Program Increment (PI). SP-35 Demonstrate deployment and interoperability of multiple software versions

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                g.leroux Le Roux, Gerhard [X] (Inactive)
                v.mohile Mohile, Vivek
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