Location Information in a Cable Access Network

DHCP Server

Access Concentrator

Subscriber Modems

Computers

24.128.1.1

24.128.1.2

24.128.1.3

24.128.1.4

Access Concentrators use location information for:

• Choosing specific broadband access network
• Encrypting traffic for specific downstream subscriber modem
• Forwarding traffic to specific subscriber modem

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