At 5:51 AM -0600 7/18/00, Narsimharao Nagampalli wrote:
>Fragmentation
>One concern is regarding IPv6 fragmentation. There we use the source address followed
>by a unique ID generated at the source to define a fragmentation sequence. Now,
>consider the case where two link local addressed sources are sending fragments to a
>site-local address and happen to use the same ID's. I can not see a way in which the
>destination can re-assemble these two train of fragments properly.
>
>Flow Label
>Same issue like fragment ID. Flow label ID and Src address again are used together to
>identify a flow. In the above scenario again, there could be issues in distinguishing
>across flows.
Narsi,
A packet is not permitted to leave the zone of uniqueness of its source
address (see section 9 of the scoped architecture draft, second bullet),
so your example problems ought not to arise.
Steve
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