[Jingle] Definition of foundation in XEP-0176

Peter Saint-Andre stpeter at stpeter.im
Wed Jul 20 18:27:25 UTC 2011


On 7/20/11 12:19 PM, Bala Pitchandi wrote:
>  From XEP-0176 <http://xmpp.org/extensions/xep-0176.html>, “foundation”
> is defined as “A foundation as defined in ICE-CORE”. In ICE-CORE
> (RFC5245 <http://tools.ietf.org/html/rfc5245>), foundation is defined as
> follows:
>
> <foundation>: is composed of 1 to 32 <ice-char>s. It is an
>
> identifier that is equivalent for two candidates that are of the
>
> same type, share the same base, and come from the same STUN
>
> server. The foundation is used to optimize ICE performance in the
>
> Frozen algorithm.
>
> But in the schema that’s included in XEP-0176, foundation is defined as
>
> <xs:attribute  name='foundation'  type='xs:unsignedByte'  use='required'/>
>
> If following RFC5245, foundation should be a “xs:string” and not a
> “xs:unsignedByte”. Is this an oversight/mistake?

Looks like an oversight. The ICE spec changed a lot over time, so it's 
possible we were tracking an earlier version when we defined it that 
way. In any case it's an easy schema fix.

Peter

-- 
Peter Saint-Andre
https://stpeter.im/




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