tailieunhanh - cisco migration_Enterprise Branch Wide Area Application

This document discusses design and deployment considerations in deploying wide area application services (WAAS) over branch architectures. It serves as a supplement to the Cisco enterprise branch architecture documents | Enterprise Branch Wide Area Application Services Design Guide Version This document discusses design and deployment considerations in deploying wide area application services WAAS over branch architectures. It serves as a supplement to the Cisco enterprise branch architecture documents which can be found at http go srnd. Contents Introduction 3 Intended Audience 3 Updates to Version 4 Caveats and Limitations 4 Assumptions 4 Best Practices and Known Limitations 4 WAAS Known Limitations 5 WAAS Technology Overview 5 WAAS Optimization Path 8 WAAS Branch Design Considerations 11 WAAS Placement over Branch Topologies 11 Branch 1 Extended Services Branch 12 Branch 2 Consolidated Branch 13 Branch LAN Services 14 LAN Services Generic Considerations 14 LAN Segmentation over Branch Topologies 15 LAN Services Branch 1 17 LAN Services Branch 2 17 WAN Services 18 111 111 CISCO. Americas Headquarters Cisco Systems Inc. 170 West Tasman Drive San Jose CA 95134-1706 USA 2007 Cisco Systems Inc. All rights reserved. Contents WAN Services Generic Considerations 18 WAN Services Branch 1 21 WAN Services Branch 2 21 High Availability 21 WAAS-level HA 21 Branch LAN HA 22 Branch WAN HA 22 Single- and Dual-Tier Profiles 23 Security Services 24 Infrastructure Protection 24 Secure Connectivity 24 Threat Defense 25 Security Services Branch 1 Considerations 30 Security Services Branch 2 Considerations 30 Quality of Service 32 QoS Generic Considerations 32 IP Communication Services 35 Cisco IP Phone Services 36 Voice Services Remote Branch 1 36 Voice Services Remote Branch 2 36 Measuring Optimizations and Performance Improvements 37 User-Centric Metrics 37 NetFlow 37 IP Service Level Agreements 42 WAAS-Centric Performance Metrics 43 Branch 1 Considerations 45 Branch 2 Considerations 46 Miscellaneous Operations 46 Synchronization and Timing 46 Summary 46 Appendix A WAAS-IOS Branch Interoperability Matrix 47 Appendix B Example Test Configuration 48 Appendix C Test Bed .