6to4 question

[Yann-Ju Chu]

I have been trying the 6to4 protocol and studying the related documents.

In the draft "draft-ietf-ngtrans-6to4-06.txt",  there is description as
the following:

            On its native IPv6 interface, the relay router MUST
advertise a route
             to 2002::/16. It MUST NOT advertise a longer 2002:: routing
prefix on
             that interface.

I have doubt about this. Why can we have two relay routers in the same
domain advertisng
different LONGER prefixes such as 2002:ca27:9d8e::/48 and
2002:ca27:9d8f::/48 respectively?
Then, different relay routers can be used for different 2002::/48 to
connect 6o4 site and
pure IPv6 site.
                      Thanks

--
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      Yann-Ju Chu
    Telecommunication Laboratories
    ChungHwa Telecom Co., Ltd.
    TEL: +886 3 424-5681
    FAX: +886 3 424-4888
    http://www.chttl.com.tw
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