Re: [Sip] B2BUA & Max-Forwards

["Pete Cordell" <pete@tech-know-ware.com>]

----- Original Message -----
From: "David Oran" <oran@cisco.com>

... much deleted ...

> >> Question: is this application a B2BUA and hence required to have a
> >> Max-Forwards value in the request whose value is strictly
> >> less than the
> >> value received in the SIP request? Beats me.
> >
> > Only if that's the way it wants to do it. You can defeat
> > the loops howsoever you want.
> >
> Ok, then how about the following wording: "a B2BUA MUST prevent loops and
> it MUST NOT behave in such as way as to cause broadcast storms, or
> contribute to any exponential message explosion of SIP or any other
> messages.

Preventing loops will help with this.  But more helpfully, the text used to
describe proxies in this respect might be useful guidance on how far to go.

> In addition, it MUST comply will all local and national fire
> codes, including the Underwriter's Laboratory flaming oil test*.

Doesn't seem a SIP issue, but if you think its helpful from a SIP point of
view...

Pete

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