Re: [jgroups-dev] Follow up to mesh network demo/discussion

Here are my comments regarding yesterday's call:

    * Implementation of a MANET (Mobile Ad Hoc Network) in JGroups: [1]
    * Use of JGroups in large clusters, immediate stability, flow
      control changes: [2]
    * A very similar flooding/epidemic approach is taken by Bimodal (or
      Probabilistic) Broadcast (google for Ken Birman / Mark Hayden @
      Cornell). First you broadcast a message to a *random* subset of
      the cluster. Members re-broadcast messages not yet received to
      another random subset. Repairs are done through period gossiping
      between random members. In your system, the gossiping could
      possibly be omitted. Note that I once wrote an implementation of
      PBCAST: design [3] and code [4]


[1] http://ast-deim.urv.cat/mchannel

[2] http://code.google.com/p/jgroups-lc

[3] 
http://javagroups.cvs.sourceforge.net/viewvc/javagroups/JGroups/doc/design/ProbabilisticBroadcast.txt?revision=1.1&view=markup&pathrev=HEAD

[4] 
http://javagroups.cvs.sourceforge.net/viewvc/javagroups/JGroups/src/org/jgroups/protocols/pbcast/PBCAST.java?revision=1.16.6.1&view=markup&pathrev=Branch_JGroups_2_4


Mike Jensen wrote:
> For anyone that missed the meeting and wants to view it, you can see it
> via these two recordings:
> http://cc.readytalk.com/play?id=biu6fk
> http://cc.readytalk.com/play?id=326qks (I got disconnected during the
> middle of it, and we had to start a second recording.)
>
> You can also download a document (linked below) that list in more detail
> some of the ideas to my current mesh network design. Hopefully this
> will make some of the specifics more clear. I welcome any
> thoughts/criticism/things i may have missed/questions/etc that you can
> throw my.
> http://archive.jentfoo.com/coding_projects/jentMesh_design.pdf
>
> Thanks everyone who joined in, and contributed to the webinar.
>
>
>
>

-- 
Bela Ban
Lead JGroups / Clustering Team
JBoss

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