H.323 Question

rdhanju rdhanju at IPNETFUSION.COM
Wed Mar 7 04:25:51 EST 2001


You can find it in section D.2 of the Megaco/H.248 specification.

> -----Original Message-----
> From: Liu, Gary [mailto:gLiu at unispherenetworks.com]
> Sent: Monday, March 05, 2001 8:21 AM
> To: Taylor, Tom-PT [NORSE:B881:EXCH]; ITU-SG16 at MAILBAG.INTEL.COM
> Subject: RE: New comer questions
>
>
> Is RFC1006 recommended for MEGACO implementation or vendor specific
> implementation?
>
> -----Original Message-----
> From: Tom-PT Taylor [mailto:taylor at nortelnetworks.com]
> Sent: Sunday, March 04, 2001 3:28 PM
> To: Liu, Gary; ITU-SG16 at MAILBAG.INTEL.COM
> Subject: RE: New commer questions
>
>
>
> We use the RFC 1006 length specifier to indicate total
> message length in
> TCP.
>
> The "ALF" is actually anything but message delimitation --
> not sure how it
> got that name.  The functions performed by the application are
>
>  -- reliable delivery (aided by Megaco's transaction orientation)
>  -- sequencing (not much needed in Megaco except in sorting out event
> reports)
>  -- throttling in the face of network congestion.
>
> > -----Original Message-----
> > From: Liu, Gary [ mailto:gLiu at UNISPHERENETWORKS.COM
> <mailto:gLiu at UNISPHERENETWORKS.COM> ]
> > Sent: Friday, March 02, 2001 11:16 AM
> > To: ITU-SG16 at MAILBAG.INTEL.COM
> > Subject: New commer questions
> >
> >
> > Hi,
> >
> > I am a new commer to the MEGACO mailing list and have some
> > dump questions.
> > The text enconding is new to me. If TCP is used as
> transport, how is a
> > transaction message framed out from the data stream. Is
> > "MEGACO/1" the frame
> > mark?
> > The standard requies MGC/MC to support UDP/ALF. UDP is
> already message
> > based. Why is ALF (application level framing) needed? I
> > though the other way
> > around. Framing is needed for TCP. Thanks.
> >
> >
> > Gary Liu
> >
> >  Unisphere Networks, Inc.
> > < http://www.unispherenetworks.com
<http://www.unispherenetworks.com> >
> 7800 Congress Ave., Suit 100
> Boca Raton, FL 33487
> T:(561)981-7022, F:(561)981-7001
>
> mailto:gliu at unispherenetworks.com <mailto:gliu at unispherenetworks.com>
>
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