From: "Ara.T.Howard" <Ara.T.Howard@...>
Date: 2005-07-02T04:46:20+09:00
Subject: Re: Fault Tolerant DRb?

On Sat, 2 Jul 2005 gwtmp01@mac.com wrote:

>
> On Jul 1, 2005, at 12:25 PM, Kirk Haines wrote:
>> Assume you are using a DRb service for....something.  It doesn't matter 
>> what.
>> The case is the same whether one is accessing an array via DRb or a Rinda
>> Ring.  Is there some reasonably easy way of making a service work in a 
>> fault
>> tolerant way?
>
> You might want to take a look at some of the software and ideas at
> http://www.cse.cuhk.edu.hk/~xychen/GroupCS/gcs.htm
>
> This page has a great summary of toolkits that implement
> "process group communication" or "virtual synchrony".  A variety of toolkits
> have evolved and been released in various forms.  While I don't know of any
> ruby implementation or wrapper for these ideas/software it would be a great
> project.
>
> The goal of process group communication is to send a series of messages to a
> named group of recipients and ensure that every member of the group receives
> the messages in a globally consistent order in the presence of communication
> and/or hardware failures.  From this foundation you can build a variety of
> fault tolerant systems.
>
> Gary Wright

http://raa.ruby-lang.org/project/rb_spread/

cheers.

-a
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