August 1999
Intermediate to advanced
328 pages
8h 50m
English
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VOICE OVER ATM (VoATM)
The ITU-T has issued a draft recommendation on the ATM Adaptation Layer type 2 (AAL 2). It is published in ITU-T I.363.2. The concept of AAL 2 is to provide a mechanism for sending small packets (such as voice, since AAL 2 targets packet telephony) over an ATM network in a manner that ensures small delay. AAL 2 supports the multiplexing of multiple connections into one cell, thus avoiding the unattractive aspect of sending cells through the network that are partially filled. The connections are called LLCs, for logical link connections.
AAL 2 supports the multiplexing of variable length packets, a service that is quite important in accommodating to variable bit-rate coders and silence compression. Indeed, a fixed-length ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.