Cisco introduced a Mobile Transport over Pseudowires (MToP) solution that runs circuit-emulation-over-packet shared port adapters (SPAs) on Cisco 7600 Series Routers. The MToP solution is positioned as an alternative to dedicated TDM or ATM circuits in RAN backhaul operations. Two models of circuit-emulation SPAs are available: the one-port channel OC-3/STM-1 and the 24-port T1/E1/J1. This solution ensures scalable support for 2G, 3G and 4G services and applications.
Cisco said that by using circuit emulation to carry TDM traffic directly over converged IP/MPLS and Ethernet networks, mobile operators can achieve the cost savings and flexibility of Ethernet while preserving the critical clocking signal required for seamless handoffs as users move between aggregation sites. Wataniya Telecom of Kuwait is using the solution.
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