re: [RRG] DNS Map: Mapping Resolution Combining Pull/Push Advantages

[Xu Xiaohu <xuxh@huawei.com>]

> Regular domain name resolution continues to be pursued by hosts or,
> on their behalf, by DNS servers.  Mapping resolution may be performed
> by Six/One routers (you called them "ITRs").  But for the benefit of
> deployment flexibility, DNS Map does not stipulate who should perform
> mapping resolution.  It may be performed by another network entity
> that makes the mappings available to Six/One routers afterwards.

Hi Christian,

Provided that the mapping resolution is performed by hosts, what should the
mapping entry be? EID-based mapping entry (e.g.10.1.1.1/32) or
EID-prefix-based mapping entry (e.g.10.1.1.0/24)? If the former is adopted,
there will be a big challenge on the cache size of ITR, if the latter is
adopted, how can the ITR trust the mapping that hosts provide?


Best wishes,
Xiaohu XU



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