As telcos continue to enjoy growth and expansion for their carrier Ethernet services, the points at which those services need to be handed off to run over another carrier's network are becoming more significant aspects in maintaining the performance, reliability and success of these services. The network hand-off has to be clean, quick and easy, and it has to give one carrier some assurance that another carrier can support its service classes. Adva Optical Networking has introduced a new network demarcation device that can be shared by two carriers, and in turn allow them to share Ethernet performance information. The Metro Ethernet Forum also is working on a standard framework for network-to-network interfaces, but that standard is not ready yet, and Adva's offering may help fill an increasingly apparent market need.
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