May 2024
Intermediate to advanced
309 pages
13h 33m
English
Content preview from Data Communications and Computer Networks by Pearson
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188 Data Communications and Computer Networks
segmentation and reassembly sublayer (SAR) and convergence sublayer (CS). The SAR sublayer is re-
sponsible for segmentation of payload at the sender’s side and reassembling the segments to create the
original payload at the receiver’s side. The CS sublayer is responsible for ensuring the integrity of data
and preparing it for segmentation by the SAR sublayer. There are various types of AAL including AAL1,
AAL2, AAL3/4 and AAL5. Out of these four versions, only AAL1 and AAL5 are commonly used.
29. Explain the structure of ATM adaptation layer.
Ans: The ATM standard has defined four versions ...
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