
© 2009 Cisco Systems, Inc. All rights reserved.
12
Cisco PublicBRKBBA-2006
Requirements for OANs
Freedom of choice for services: voice, video, data
Separate billing
Multiple different SSPs at same UNI
Security
Separate authentication
IP addresses out of SSP’s address range
Potentially common CPE for multiple services
Address efficiency
Scalability
Traffic segregation
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