Victor Pascual Avila wrote:
> On Tue, Oct 13, 2009 at 11:12 AM, Jin-Soo Eo <jinsoo...@samsung.com> wrote:
>> Hello,
>>
>> I would like to know how to reuse Server Connection other than
>> mentioned in draft-ietf-sip-connect-reuse-03.
>> I think most SIP entities do not support draft-ietf-sip-connect-reuse-03 as a
>> way of server connection reuse.
>> So, they seem to have implemented their own soultion for server connection
>> reuse.
>>
>> Is there any industry standard?
>
> Please note that the connection reuse draft was spitted into two
> pieces: while [1] is predicated on secure TLS mutual authentication,
> [2] specifies connection reuse for SIP over plain TCP and SCTP.
>
> [1] http://tools.ietf.org/html/draft-ietf-sip-connect-reuse-14
> [2]
> http://tools.ietf.org/html/draft-jain-sip-transport-layer-connection-reuse-00
To amplify:
One reason use may be limited is precisely because these things are
still drafts, not yet RFCs.
Also the use of [1] is of course limited to those that want to, and can,
use TLS.
And [2] is still being significantly debated. The reuse of TCP (or SCTP)
connections *bidirectionally* has major security concerns. Its quite
likely that proprietary solutions that do it have potential security
problems, or else have limited applicability.
The most straightforward connection reuse for TCP is simply to maintain
separate connections for each direction. It really requires no special
draft to tell you how to do that.
Thanks,
Paul
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