RE: [RRG] Re: Does every host need a FQDN name in the future?//re:[RRG] draft-rja-ilnp-intro-01.txt

["Tony Li" <tony.li@tony.li>]

Hi Iljitsch,

|I maintain that having a non-unique identifier in all packets doesn't  
|buy us anything useful:
|
|- can't use it to identify correspondents, so additional  
|identification necessary


Such as the locator, which is already at hand.


|- can't filter on it, so this will be done on locators = no  
|renumberability


The local site *can* guarantee that an identifier is unique, so it can in
fact filter on inbound identifiers.  Filtering on remote identifiers is
trivially insecure (regardless of uniqueness) due to spoofing.


|- can't look locators up using the id, so a working locator must  
|always accompany id = reduced multihoming and mobility


I'm failing the logical leap here.  Could you spell out where this is a
problem?

Tony


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