
© 2007 Cisco Systems, Inc. All rights reserved. Cisco Confidential
6
L2 Box-Box
Redundancy
(HSRP)
WAN
Router
Redundant
Firewalls
VPN
Termination
Campus/Data
Center
Branch
Branch
Internet
GW
Mobile
Remote Worker
Partner
Internet
Private Line/
MPLS VPN
WAN Services Aggregation
Secure Internet Gateway
Branch Concentration
Bandwidth/Traffic management
Metro Ethernet Services
Key Functionalities
Increasing bandwidth requirements
High upgrade costs for incremental services
Management synergies between devices
Configuration and support complexities
High recurring operational expenses
Longer time for deployment
Key Challenges
Requirements for WAN Edge Transformation
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