XO Communications is deploying new Cisco Ethernet over SONET/SDH (EoS) technology on many of the more than 4,000 Cisco ONS 15454 Multi-service Provisioning Platforms (MSPPs) currently deployed in its network.Cisco said that as part of this transition, XO Communications is evaluating two innovations to streamline its network transformation:Cisco Multilayer, Multi-rate, 10-Port Line Card, with 10 Gbps Ethernet over SONET/SDH (EoS) capacity (ML-MR-10) enabling a wide range of Ethernet services with Layer 2 switching, RPR, and advanced QoS capabilities....