Re: [mpls] [PWE3] IETF Last Call comment on draft-ietf-pwe3-gal-in-pw

Stewart Bryant <stbryant@xxxxxxxxx> · Thu, 01 Sep 2011 18:33:20 +0100



    On 01/09/2011 17:07, Alexander Vainshtein wrote:
    
      
        Yaakov,
        You've written 
        
          PW that starts in an MPLS-TP domain,
              can easily leak
                into a non-TP domain
        
        This is exactly the
            point that I've raised in my IETF LC comment on the draft
            (for MS-PW) - please see my email (to several lists) that
            explains that in some detail, at
            http://www.ietf.org/mail-archive/web/pwe3/current/msg12581.html.
         
        Regards,
      
    
    Sasha

    
    The operator intends to improve traffic
      distribution in the IP/MPLS domain, hence he enables insertion and discard of "flow labels" at the two
      S-PEs. 

    
    Speaking as an author of the FAT-PW draft I do not recall any text
    that proposes that S-PEs insert FLs in the stack, and it never
    occurred to me that anyone anyone would try, since would require a
    change to the design of the S-PEs.

    
    Stewart

    
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