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Re: [RRG] The use of UDP in LISP



On 2007-12-15, at 19:00, ext Tony Li wrote:
On Dec 14, 2007, at 2:18 PM, Iljitsch van Beijnum wrote:
By the way: host NICs routinely handle IPv4 IP and TCP/UDP checksumming. I suggest router vendors start adding the same logic to their hardware, and in a somewhat more general way so that IPv6 can also be supported, with additional headers between the IP and TCP/UDP headers when present. This will avoid similar issues in the future.

Done, circa 1998.

OK, now I'm confused. If router NICs already do checksumming, what is the issue?

Lars

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