Re: Several SDP session in a Local or Remote Descriptor

Raju,

Thanks for the clarification.

Regards,

Javi

El 09/12/2011 22:52, Makaraju, Maridi Raju (Raju) escribió:
> Javi,
> First of all, having same IP+port for both the groups will be an issue 
> as MGW will receive bearer packets with
> both payloads 2 and 8 at once single ip+port. If that is what really 
> needed then it would be preferred
> to use ReservedValue.
> To answer your question directly...
> They are different: In group case the MGW may allocate 2 different 
> resources each handling formats 2,8 respectively.
> But in value case MGW allocates just one resource handling both 2 and 8.
> So, they are tightly coupled wrt MGW resource allocation and ip+port 
> is assignment directly linked to resource allocation.
> Regards
> Raju
>
>     ------------------------------------------------------------------------
>     *From:* Javi [mailto:[email protected]]
>     *Sent:* Friday, December 09, 2011 12:41 PM
>     *To:* [email protected]
>     *Subject:* Re: [Megaco] Several SDP session in a Local or Remote
>     Descriptor
>
>     Raju,
>
>     But if IP address (and UDP port) is the same in both SDP sessions:
>
>     LocalControl {
>        ReservedGroup = true
>     },
>     Local {
>        v=0
>        c=IN IP4 adrressX
>        m=audio portA RTP/AVP *2*
>
>        v=0
>        c=IN IP4 adrressX
>        m=audio portA RTP/AVP *8*
>     }
>
>     then there could not be 2 simultaneous media sessions. In that
>     caso, would there be any differnce with?:
>
>     LocalControl {
>         ReservedValue = true
>     },
>     Local {
>         v=0
>         c=IN IP4 adrressX
>         m=audio portA RTP/AVP*2 8*
>     }
>
>
>
>     El 09/12/2011 19:21, Makaraju, Maridi Raju (Raju) escribió:
>>     Javi,
>>     For Case A with ReservedValue, MGW only reserves one RTP+ip. So,
>>     only one media session can be carried over, but the session
>>     can use either payload formats 2 or 8.
>>
>>     For case B ReservedGroup, MGW reserves and returns 2 different
>>     RTP+IP addresses (if resources are available), one for each group.
>>     There could be 2 simultaneous media sessions carried using
>>     payload formats 2 and 8 respectively, until reservedGroup is set
>>     to false.
>>     Please note that reservedGroup can be kept ON until the
>>     termination is Subtracted.
>
>>     Regards
>>     Raju
>>
>>         ------------------------------------------------------------------------
>>         *From:* [email protected]
>>         [mailto:[email protected]] *On Behalf Of *Javi
>>         *Sent:* Friday, December 09, 2011 12:07 PM
>>         *To:* [email protected]
>>         *Subject:* [Megaco] Several SDP session in a Local or Remote
>>         Descriptor
>>
>>         In a call, which is the difference between these two options
>>         (UDP port and IP address are the same in both?
>>
>>         Case A):
>>
>>         LocalControl {
>>             ReservedValue = true
>>         },
>>         Local {
>>             v=0
>>             c=IN IP4 adrressX
>>             m=audio portA RTP/AVP*2 8*
>>         }
>>
>>
>>         Case B):
>>
>>         LocalControl {
>>            ReservedGroup = true
>>         },
>>         Local {
>>            v=0
>>            c=IN IP4 $
>>            m=audio portA RTP/AVP *2*
>>
>>            v=0
>>            c=IN IP4 $
>>            m=audio portA RTP/AVP *8*
>>         }
>>
>>
>>         Regards,
>>
>>         Javi
>>
>>
>>
>>
>>
>

_______________________________________________
Megaco mailing list
[email protected]
https://www.ietf.org/mailman/listinfo/megaco