Re: aggregation in a confederation environment(RFC3065)
"proto man" <protocolwork@hotmail.com> Mon, 21 May 2001 01:40 UTC
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From: proto man <protocolwork@hotmail.com>
To: robcrane40@netscape.net
Cc: idr@merit.edu
Subject: Re: aggregation in a confederation environment(RFC3065)
Date: Mon, 21 May 2001 01:39:37 -0000
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Thanks.
What about the case where we can preserve sequences :
For e.g :
A1 (100 200 300 ) { 400 500 } 900 800 700 [ 600 601]
A2 (100 200) { 400 } 900 800 [ 600 ]
A3 (100 200 300 ) 900 800 [601]
Aggr ASPATH :
( 100 200 ) { 300 400 500 } 900 800 [ 600 601 700]
would this work?
I guess some rewording of ASPATH aggregation in the context of
confederation might help. Or is forming ASPATH aggregate in confederation
is not in use at all?
-Priya
>From: robcrane40@netscape.net
>To: protocolwork@hotmail.com
>CC: idr@merit.edu
>Subject: Re: aggregation in a confederation environment(RFC3065)
>Date: Sat, 19 May 2001 21:41:02 -0400
>
>How about:
>
>(1) Take all unique sub-AS numbers that appear in all CONFED_SEQs and
>CONFED_SETs and put them in a CONFED_SET
>
>(2) Take all unique AS numbers that appear in all AS_SEQs and AS_SETs and
>pt them in an AS_SET
>
>(3) The aggregated AS-path is the resulting CONFED_SET followed by the
>resulting AS_SET
>
>So in your example you would get:
>
>{ 400 500 600 700 } [ 800 801 900 901 ]
>
>"proto man" <protocolwork@hotmail.com> wrote:
> >
> > Hi,
> > How does one aggregate ASPATHS in a confederation environment.
> > consider following aspaths
> > [ ] denotes AS_SET
> > () denotes CONFED_SEQ
> > {} denotes CONFED_SET
> > concatenation denontes AS_SEQ
> >
> > Suppose we have aspaths of contributors to an aggregate
> > A1 : ( 500 400 ) { 600 700 }
> > A2 : 900 901 [ 800 801 ]
> > A3 : ( 500 400 )
> > A4 : 900 901
> >
> > How should the aspath for the aggregate computed in such cases.
> >
> > Thanks for any clarification.
> >
> > -Priya
> >
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