What are the proc and cons of having a SP network with multi ASs (IP/MPLS core in AS #1 and regional Carrier Ethernrt Aggregation networks in different ASs: AS#2,3....) vs. single AS (multi area with OSPF)? What are the criterion for this selection? What is the impact on the aggregation (IP/VPN, Internet, Voice) from Access Gateways (MSANs and DSLAMs), WiMAX BTSs, Node Bs and end to end delivery of VLL and VPLS services accross multi ASs with dual homing?
Multi AS network designing |
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