On Mon, 2006-04-10 at 20:18 +0530, Kishore Sowdi wrote:
> Hi ,
> _____________________________________________________________________
>
> rfc 3261 , section 18.1.1 says
>
> "If a request is within 200 bytes of the path MTU, or if it is larger
> than 1300 bytes and the path MTU is unknown, the request MUST be sent
> using an RFC 2914 [43] congestion controlled transport protocol, such as TCP".
>
> My interpretation of the above condition
>
> If ( (SIP msg len < 200 ) || ( SIP msg len > 1300 ) )
> send over TCP.
>
> Is my interpretation correct ? .
No. It means
if (Is path MTU known?) {
if (SIP msg len > path MTU - 200) {
send over TCP
} else {
send ...
}
} else {
if (SIP msg len > 1300) {
send over TCP
} else {
send ...
}
}
Dale
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