The MPLS WG Archive[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index][Thread Index][Author Index][Subject Index] [PWE3] MPLS PID
Lloyd, >-----Original Message----- >From: Lloyd Wood [mailto:l.wood@eim.surrey.ac.uk] >Sent: Tuesday, April 01, 2003 11:03 AM >To: Shahram Davari >Cc: pwe3@ietf.org; mpls@UU.NET >Subject: RE: [PWE3] MPLS PID > > >On Mon, 31 Mar 2003, Shahram Davari wrote: > >> for all ECMP >> implementations such as the one that I described >> in earlier emails in which both the first nibble >> and the CRC are used to detect IP. > >IPv6 doesn't _have_ a header checksum. Yes. The method I said only works for IPV4. >IPv4's header checksum is a pain to work with. !!!! > >Are you describing an existing implementation? It sounds broken. Why is it broken? It works much better than using the first nibble to detect IP. > >If you know from context you're carrying IP, then the intended >identification in the first nibble is enough to identify 4 or 6 or >something else, and you don't need to sniff the packet contents. Sure. But the question was how can you detect that the payload is IP. -Shahram > >L. > ><http://www.ee.surrey.ac.uk/Personal/L.Wood/><L.Wood@ee.surrey.ac.uk> > |
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