Hi Havard,
On Aug 7, 2009, at 8:22 PM, Havard Eidnes wrote:
the O UDP checksum proposal obsoletes all the today deployed nodes
which check them (so all hosts I know and perhaps a lot of routers
too)
OK, so what are the other options for encapsulating a packet in a
IPv6
packet?
Um, surely, routers are not specified to validate layer-4
checksums for transit traffic?!?
Let's look at this another way? As I understood it, UDP 0 would
be used by LISP encapsulating/decapsulating devices.
If some random (non-LISP encap/decap) host by mistake received a
0 UDP packet, it would be dropped, which should do no harm.
So, you are assuming that LISP is the _only_ protocol that will choose
to specify zero UDP checksums? And that LISP will be implemented
solely on systems that implement LISP and no other protocols?
Margaret
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