NetNews Usenet Archive 1992 #19/NN_1992_19.iso/spool/comp/dcom/cellrel/386

Text File | 1992-08-25 | 2.0 KB | 40 lines

Newsgroups: comp.dcom.cell-relay
Path: sparky!uunet!pipex!warwick!str-ccsun!ccsun.strath.ac.uk!craa85
From: [e-mail] ( D.W.Stevenson)
Subject: Re: Future of IP routers
Message-ID: <[e-mail]>
Sender: [e-mail] (News account )
Nntp-Posting-Host: coll
Organization: University of Strathclyde
References: <[e-mail]> <[e-mail]> <[e-mail]>
Date: Wed, 26 Aug 1992 09:57:56 GMT
Lines: 27

In article <[e-mail]>, [e-mail] ( D.W.Stevenson) writes:
|> In article <[e-mail]>, [e-mail] (Allen Robel) writes:
|> |> In article <[e-mail]>
|> |> [e-mail] ( D.W.Stevenson) writes:
|>
|> |> but routers currently don't handle video/voice traffic that well...
|>
|> Because routers are store and forward, I would have thought that time critical
|> traffic such as video/audio traffic would be very difficult to pass across a
|> router at high speed. Since the telcos are billing ATM as ideal to carry
|> multimedia traffic, this implies that the idea of using ATM routing at the
|> network level is more suitable for high speed multi media traffic than IP.
|>
|>
As a follow up to this, the ATM network in the future presumably will have
dedicated multi-media terminals that don't in fact transfer multimedia over IP,
but instead have built in AAL support for video/audio and data using different
AAL types for each type of traffic e.g. one AAL type for video, one AAL type for
audio, and a third AAL type to carry data, perhaps running IP over this third AAL
type. This will remove the requirement to send video/audio traffic via a router,
because the video/audio AAL entities will connect directly with the video/audio
AAL entities at the other end.
--
Dave Stevenson                 [e-mail]
Computer Centre                Tel : [phone] x3461
University of Strathclyde
Glasgow, U.K.