Subject: RE: [Sip] Updated gruu mechanism spec

From: "Chris Boulton" <[email-masked]>
Date: Thu, 11 Dec 2003 17:08:30 -0000

That was my inclination - and the reason for my comment.

>-----Original Message-----
>From: Sean Olson [mailto:[email-masked]]
>Sent: 11 December 2003 16:26
>To: 'Christian Jansson'; 'Christian Stredicke'; 'Jonathan Rosenberg'
>Cc: [email-masked]
>Subject: RE: [Sip] Updated gruu mechanism spec
>
>Ditto
>
>-----Original Message-----
>From: [email-masked] [mailto:[email-masked]] On Behalf Of Christian
>Jansson
>Sent: Thursday, December 11, 2003 7:19 AM
>To: Christian Stredicke; Jonathan Rosenberg
>Cc: [email-masked]
>Subject: RE: [Sip] Updated gruu mechanism spec
>
>
>
>> Christian Stredicke wrote:
>>
>> The client usually closes the TCP connection after the transaction or
>> a short timeout.
>
>That is just your assumption on how a client works. In my mind it is
>usually
>better for the client to keep the TCP connection up for much longer.
>
>/ Christian Jansson
>
>
>> That is not ok with
>> a REGISTER transaction when gruu and NAT is involved.
>>
>> CS
>>
>> > -----Ursprüngliche Nachricht-----
>> > Von: [email-masked] [mailto:[email-masked]] Im Auftrag von
>> > Jonathan Rosenberg
>> > Gesendet: Dienstag, 9. Dezember 2003 13:45
>> > An: Christian Stredicke
>> > Cc: 'Chris Boulton'; [email-masked]
>> > Betreff: Re: AW: [Sip] Updated gruu mechanism spec
>> >
>> >
>> >
>> > Christian Stredicke wrote:
>> >
>> > > Hi Chris,
>> > >
>> > > well usually it is a good idea for the UAC to close the TCP
>> connection
>> > > in order to keep the load on the server low. But in the specific
>> case of
>> > > obtaining a GRUU (behind NAT) this is not a good
>> practice; therefore
>> I
>> > > think it fits well into the GRUU draft.
>> >
>> > Keeping the connection open to the server is a necessary
>> practice for
>> > SIP to work through nat, independently of whether you are
>> using gruus
>> > or not. As such, I agree with Chris that this kind of
>> behavior belongs
>> > in the tcp bcp document that has been discussed on the list.
>> >
>> > -Jonathan R.
>
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