Order of ASes in the BGP Path

Tue Aug 30 09:28:24 UTC 2005

> 
> 
> > As no one has asked yet, allow me.. what are you trying to do?

 Basically I was thinking on these lines.
 If i have an AS path {1 2} [3 4] { 5 } then is it possible to pull the AS 
in the last segment and merge it with the first segment? This would give me 
{1 2 5} [3 4]. This way i dont need to carry two AS_SEQ segments in my path 
and i can manage with just one.
 However, there are some problems here:
 [1] I can never generate such an AS Path, given the way BGP works 
currently.
 [2] Merging ASes from different segments can mangle the sequence in which 
the ASes appear in the AS Path. I wanted to know if this was required and 
used by admins, and hence my original mail.
 Thanks everybody for all the help,
 Abhishek
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