[rrg] Scope Re: Rejecting all but Strategy A

[Brian E Carpenter]

On 2009-01-22 08:24, Scott Brim wrote:
> Excerpts from Xu Xiaohu on Mon, Jan 12, 2009 12:20:57PM +0800:
>>>> What HIP gives you is an identifier that may be used for many
>>>> things.  An HI can be, but does not have to be, part of the
>>>> process of initially finding a locator for an endpoint. For
>>>> example, I can go straight from domain name to locator (which
>>>> actually might be an agent / proxy / rendezvous point), and then
>>>> validate identities via some other means.
>>> Assuming I deem the DNS trustworthy, it seems much more natural to
>>> treat the DNS as the source of an HI, and then for the locator to
>>> be looked up as a function of the HI. I'm not saying your model
>>> doesn't work, but surely the HI is fundamental and has universal
>>> validity, and the locator (any of the locators) is transient and
>>> has non-universal scope? So starting with a locator lookup seems
>>> funny.
>> I prefer Brain's opinion since there is no need for each host owns a
>> FQDN name. Once you tell me your host ID, I can resolve your locator
>> from a seperate ID/locator mapping system and then communicate with
>> you. 
> 
> This is an interesting point.  Thank you.
> 

It occurs to me that this would be particularly relevant to massive
server virtualization (where a pool of physical servers synthesizes
virtual servers as workload arrives). The virtual servers would each
need an HI to locator map entry but would not particularly need an FQDN.

   Brian