October 2007
Intermediate to advanced
368 pages
10h 55m
English
Content preview from Passive Optical Networks
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On the other hand, in G-PON, Ethernet packets can be fragmented by using
GEM encapsulation [2]. It makes DBA design easier if packet assemblers/
disassemblers are implemented.
5.2.4 Traffic Control Fundamentals—Fair Queuing
In this section, we will describe Fair Queuing which is the basic technique of
traffic control [10]. Fair Queuing makes fair bandwidth allocation possible. The
principle of Fair Queuing is described in Fig. 5.7. The input packets are classified
by the classifier and input into separate queues. The classifier separates the
packets to groups which are to be allocated the output bandwidth fairly. As an
example, when packets are classified ...
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