[jboss-jira] [JBoss JIRA] Created: (JGRP-1354) Compress views

[Bela Ban (JIRA)]

Compress views
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                 Key: JGRP-1354
                 URL: https://issues.jboss.org/browse/JGRP-1354
             Project: JGroups
          Issue Type: Enhancement
            Reporter: Bela Ban
            Assignee: Bela Ban
             Fix For: 3.1


In clusters with many members, a View can be large. See if we can compress views. Possible strategies:
- Canonicalization of addresses (replace UUIDs with shorts) see different JIRA)
- Compress digests (see different JIRA)
- Keep a list of ViewIds and Views and only send the ViewIds (not for JoinRsp !)
- Create a DiffView: send the previous ViewId V1, the new ViewId V2, and the diff between V1 and V2, for example
  - V34=V33 + N1 + N2
  - V34=V33 - N30 - N13 + N3 (2 nodes left, 1 node joined)
  - The receiver can then construct a full view from V34, V33 and the diffs

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