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

Eric Osterweil <eosterweil@verisign.com> Sun, 01 April 2012 21:12 UTC

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From: Eric Osterweil <eosterweil@verisign.com>
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Date: Sun, 01 Apr 2012 14:12:42 -0700
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To: 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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On Apr 1, 2012, at 1:57 PM, Robert Raszuk wrote:

> 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)

Great, thanks!  I don't want to lose that high order bit!  But, I don't want to ignore ya either.  I'll send an off-list response for the below. :)

Eric

> 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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