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Re: [sidr] Injecting idea of "freshness of repository data" into BGP

Robert Raszuk <robert@raszuk.net> Sun, 01 April 2012 20:57 UTC

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Date: Sun, 01 Apr 2012 22:57:05 +0200
From: Robert Raszuk <robert@raszuk.net>
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Cc: sidr wg list <sidr@ietf.org>
Subject: Re: [sidr] Injecting idea of "freshness of repository data" into BGP
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Hi Eric,

 > BGP is a great soft-state protocol (where some may define
 > ``great'' differently), but I don't currently tweet or update my fb
 > status over it.

While I agree with 99% of what you said today on the list (especially 
pointing out need for solid requirements to document what sidr is trying 
to achieve) I am not sure why you call BGP soft-state.

For me soft-state protocol is RSVP which requires refresh otherwise 
state invalidates. BGP does not require refresh.

If that would not be enough BGP is soon to become completely "hard 
state" if one would implement 
http://tools.ietf.org/html/draft-uttaro-idr-bgp-persistence-01

Best,
R.

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