Re: [RRG] A new draft about Hierarchical Routing Architecture

[Robin Whittle <rw@firstpr.com.au>]

Hi Xu,

My first impression on reading over your HRA proposal is that it
involves changed host behaviour.

If this is the case, then I don't think HRA can be considered
alongside LISP, eFIT-APT, Ivip or TRRP - all of which are intended
to work for current and future hosts without any new host host
requirements.

I think HRA or any other system which requires host changes is
probably about as hard to introduce as IPv6: There seems to be no
strong enough immediate benefit for most early adopters to create
anything like widespread or ubiquitous adoption - and in the
meantime (~= forever) all ordinary Internet users still need full
IPv4 connectivity.

  - Robin


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