Tuesday, July 28, 2009

Re: [Geopriv] Identity and IP address considerations

It seems like the risks of IP addresses as identifiers are pretty
well-trodden territory. How would your notional text differ from what's
already in l7-lcp-ps and HELD?
--Richard

Rosen, Brian wrote:
> In the HELD Identity draft, one of the uses is a 3rd party OBO request
> for location. An example use case is interim deployment of VoIP
> emergency calls, before the device is upgraded to query a LIS via an LCP
> itself. It will be common to use an IP address in this case.
>
> The draft does not discuss the cautions we have long discussed when
> using an IP address as an identifier. It's quite clear that an IP
> address WILL be used for this case, and denying it is silly.
> Considerations for its use should be provided. I think we want text
> that discusses issues such as the effect of NAT and VPNs, perhaps a
> discussion of needing return routability testing to assure the 3rd party
> that it has a good IP address, etc.
>
> Some of the latter considerations may also apply to other forms of
> identity that may be used with this draft.
>
> Brian
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