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Optical Fiber Telecommunications VB, 5th Edition
book

Optical Fiber Telecommunications VB, 5th Edition

by Ivan Kaminow, Tingye Li, Alan E. Willner
July 2010
Intermediate to advanced content levelIntermediate to advanced
928 pages
33h 42m
English
Academic Press
Content preview from Optical Fiber Telecommunications VB, 5th Edition
9.7 ETHERNET OAM
OAM is an active field of interest and research in Ethernet. One of the charters of
the IEEE 802.3ah EFM study group was to specify the Ethernet OAM sublayer
functions. The OAM sublayer is situated above the MAC control laye r as an
optional layer as shown in Fig. 9.2.
The OAM sublayer [18, Clause 57] implements a P2P slow protocol between two
interconnected MAC entities using OAMPDUs. Slow protocol PDUs are identified
with an Ethernet Type value of 0x88–09 in hexadecimal. To minimize the protocol
overhead, slow protocol PDUs are limited to 10 PDUs per second. The formats of
OAMPDUs are show next to the OAM layer block diagram in Figure ...
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Publisher Resources

ISBN: 9780123741721