October 2018
Intermediate to advanced
555 pages
17h 33m
English
Content preview from Principles of Synchronous Digital Hierarchy
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404 Principles of Synchronous Digital Hierarchy
The diagram is simplied for demonstrating the principle. The Ethernet
frames are actually “wrapped” into LAPS (“link access procedure,” which is
a protocol for loading Ethernet frames onto SDH). (In the eld of data com-
munication, the data is divided into packets of xed or variable size, depend-
ing upon the protocol used. The data packet is then combined with a set
of predened bit pattern known as “header,” which carries the information
about the destination to which the packet is to be sent and some more infor-
mation required for correct reception of the packet. The structure so formed ...
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