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We propose an all-Ethernet end-to-end communication framework for the access, metro and core networks called Omnipresent Ethernet (or OEthernet). The proposed hierarchy is based on two inherent assumptions: (1) present manner of interconnection in carrier networks from a graph theory perspective and (2) recent advances in Carrier Ethernet. The OEthernet approach makes good use of the advances of Ethernet...
Next-generation SONET/SDH technologies have fielded much-improved service mapping and provisioning capabilities. These features provide many exciting avenues for developing new Ethernet services, and various Ethernet-over-SONET studies have already been done. However these efforts have primarily focused on provisioning point-to-point demands, i.e., private line type offerings. This paper considers...
Continued growth in data services coupled with the entrenchment of existing carrier infrastructures have inevitably forced a convergence of SONET/SDH and Ethernet technologies. As a result, the very notion of Ethernet connectivity has expanded beyond traditional local area domains into broader metro/wide area settings. The key enabling advances have come in the form of improved SONET/SDH provisioning...
This article looks at extended multipoint-to-multipoint Ethernet over SONET/SDH (EoS) service offerings. A novel scheme is presented based upon a tiered protection approach and results from a sample performance evaluation study are also presented.
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