1 has defined a Bandwidth profile and also identified specific
service-related performance parameters. It has also defined the algorithm to enforce
QoS or performance by ensuring conformance to the bandwidth profile. This was discussed
at some length earlier in the chapter.
Standardized Management
LAN Ethernet was most lacking in the area of standardized management; consequently,
this has been the focus of considerable work in Ethernet??™s transformation to Carrier
Ethernet. Specifically, Ethernet OAM has had to be developed from the ground up. The
developments in this area are discussed at some length; Table 2.6 notes some of the
developments in the standards bodies.
MEF 7 focuses on standardizing for Service Provider Element and Network
Management Systems (EMS/NMS) to provision, configure, and fault manage Carrier
Ethernet services. It also defines OAM at the Ethernet services layer; however, it does
not define OAM at the transport link/network layers, and it complements the work
done in the ITU, IEEE, and IETF at the transport data-link and network layers based
on G.809.
MEF 7 also provides a framework and concepts for managing and monitoring
flows across an end-to-end connectionless network, and it also provides mechanisms
to perform node discovery, establish connectivity, monitor CoS, and detect service
impairments.
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