Re: [RAM] Re: the separation of ID/RLOC

[Eliot Lear <lear at cisco.com>]

Michael,
> The mobility support has some impact on which model will be adopted. 
>   

I think a reasonable question to ask is at what layer mobility should be 
provided.  When mobility is provided in  HIP, for instance, one needs to 
handle caching concerns within DNS and of course have appropriate 
bonafides available to authorize an appropriate record update.  In 
effect, a DNS server becomes the initial home agent, and that 
responsibility is subsequently transfered to the mobile node as handoffs 
are made.  This of course assumes that two devices don't move at the 
same time but that seems quite reasonable.

If we place mobility in LISP, the caching semantics of LISP-CONS would 
need to support it and whatever mapping binding would of course need to 
be secured, or an update would need to be made to NERD (NERD simply 
doesn't do mobility, quite frankly).

Just some thoughts.

Eliot

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