Cisco ME-3400G-12CS-A-RF - Ethernet Access Switch Uživatelský manuál Strana 64

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65
Cisco PublicBRKBBA-2006
Different L3 Edge by service, services can be added and managed independently
SP Edge physically could be one L3 box, but likely is many
Supports Geographic segmentation of application servers
Allows the use of distributing IP on a per service basis (e.g. multicast!), rather than
using L2
Services needing per subscriber policies (internet, peer2peer, Lawful Intercept)
inserted centrally, while ‘simpler’ services (IPTV, VoD) are distributed
Allows services & transport to be reused across a variety of access technologies
Intermediate tunneling technologies transparent to the CE .
Modular L3 Edge Ethernet Tap Points
Multi-Edge Architecture
View from CE: Ethernet Tap Points by Application
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