Ogf27 gsm wg roadmap
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OGF27 – GSM-WG roadmap. Jens Jensen OGF27, Banff Based on work discussed at ’26. New Group Chair. After a long stint, Arie Shoshani (LBNL) retired from post as chair And Alex Sim (LBNL) as secretary Timur Perelmutov (FNAL) new co-chair. Why. How we work… Implementers show up at OGF

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OGF27 – GSM-WG roadmap

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Ogf27 gsm wg roadmap

OGF27 – GSM-WG roadmap

Jens Jensen

OGF27, Banff

Based on work discussed at ’26


New group chair

New Group Chair

  • After a long stint, ArieShoshani (LBNL) retired from post as chair

  • And Alex Sim (LBNL) as secretary

  • TimurPerelmutov (FNAL) new co-chair


Ogf27 gsm wg roadmap

Why

  • How we work…

    • Implementers show up at OGF

    • So do the users

    • But never at the same time

  • Discussions need lots of time


High level summary

High Level Summary

Some areas still need docs:

  • Optional parts of protocol

  • Underlying storage differences

    • Within the spec

    • E.g. extra placement data, or spaces

  • HTTPS roadmap


Users

Users

  • WLCG

  • SNIA – Cloud

    • “StoRM in front of S3”


Issues

Issues

  • Are users using SRM most effectively

    • “SRM is too complex for us”

      • But problem is complex

    • “We want to use the richer functionality”

    • “It is slow”

      • But they are not using it effectively


Role of gsm wg discussed

Role of GSM-WG discussed

  • Most see need for standards

    • However, also busy with WLCG

  • Roadmap discussed

    • Getting clearer: change to CG


Scope of group

Scope of Group

  • Storage Element

    • SRM is the control protocol

    • GridFTP (&c) for data transfer

    • GLUE for info


Scope of group1

Scope of Group

  • SRM 2.2 standardisation

  • GFD.129

  • Experiences (GFD.154) finalised

  • Two standard test suites

  • Interoperation testing

  • Documents reviewed by ext’l reviewer


Meta issues

Meta-Issues

  • Many mailing lists and working groups

    • gsm-wg itself has low volume

    • Less direct activity now, more boundary

  • Various levels of contributions at OGF

    • A Few Good (Wo)Men – which is good

    • Occasionally many tourists – also good


Ogf contributions

OGF contributions

  • Not just WLCG (openness)

    • Eg financial, biomed, earth systems, fusion

    • Mostly sites and devs though

    • Many dCache people providing good input

  • Industry (SNIA) EoI via data mgmt


Option chosen

Option chosen:

  • Long list of issues, see OGF 22 and 23

  • New implementations coming along

  • WLCG will change requirements

  • Will SRM 2.2+, 2.3 or 3.0 be implemented?

  • Keep it open

    • As an alternative to CERN coffee breaks

    • *Cough*, I mean GDB of course


Not included

Not included (?)

  • SRM security – httpg vs https vs khttp?

  • Take data transfer on board

    • Strong req for xrootd standardisation

    • GridFTP req’d by all SRM impl

    • https-as-a-transfer-protocol (Paul)

  • Interop activities

    • Eg NAREGI, SRB, iRODS


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