12 Current implementations –Limited in features, proprietary and/or ad-hoc –Differing feature and functionality transparency –Do not support MEF Carrier Ethernet services –Require extensive discussions between operators in order to verify each operators Carrier Ethernet product and operational capabilities Operators need to interconnect their Carrier Ethernet Networks Carrier Ethernet Interconnect Challenge Operator A Operator B UNI A1 UNI A2 UNI A3 UNI B2 UNI B1 UNI B3 Operator C UNI C3 UNI C1 UNI C2 Operator D UNI D1 UNI D2 UNI D3 Proprietary interconnect Every Interconnect arrangement is unique
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