RE: [dhcwg] Request for review of 3315id draft...

["Steve Gonczi" <[e-mail]>]

I am begginnig to think this is a non-issue.

Given multiple ip-s per DNS name:
A) The client is be allowed to present one identity
(say, ID1) for more than one interfaces.

This would result in enforcing a "one active interface
at a time" behavior.
In a multi-server case, if a client tries to renew an 
IP address that a server  has no pool (or knowledge) of, 
the client gets NAK-d, and gets a new address. 
This results in the A record being overwritten 
both in case of solitary, or multiple DHCP servers. 

B) OTOH, a client is allowed to present a separate 
identity (say, ID1, ID2) for each interface.

This would result in multiple A records being maintained 
by either a solitary, or multiple DHCP servers.

The A record for ID1 gets created or deleted as ID1
acquires or releases the IP, and the same happens
for ID2.

In reality, (B) can not be distinguished from
a DNS round-robin server farm, where multiple
IP addreses, located on multiple, separate
servers are mapped to the same name via 
multiple A records.


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