Services over Internet Protocol: Voice is just the beginning… - WITSA
Services over Internet Protocol: Voice is just the beginning… - WITSA
Services over Internet Protocol: Voice is just the beginning… - WITSA
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From:The Communications Industry <strong>is</strong> Undergoing MassiveTransformationto One MPLS/IP NetworkLegacy NetworksTo:Common IP/MPLS Backbone<strong>Voice</strong>NetworkFrame/ATM4ESS5ESS5ESSFrame/ATM/<strong>Voice</strong>/IP-VPNThe <strong>Internet</strong>BX9000BX9000BX9000Private LineNetworkMSERoute ServersRoute ServersGlobal IPNetworkMSEMPLS CoreFrame/ATM/<strong>Voice</strong>/IP-VPNIP BackboneMPLS: Multi<strong>Protocol</strong> Label Switching5Copyright 2004 AT&T