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You are here: Home / Design / CCDP / Chapter 6: Designing Advanced WAN Services / Chapter 6 – Summary

Chapter 6 – Summary

Wide Area Network technologies operate at the Enterprise Edge in the modular Cisco Enterprise Architecture model. WANs span across large geographical distances to provide connectivity for various parts of the network infrastructure. Most ISPs are well trained to ensure they can properly support not only the traditional data traffic but also voice and video services (which are more delay sensitive) over large geographical distances.

Various optical link technologies are used in large Enterprise Network infrastructures to ensure some kind of connectivity. Some of the optical networking techniques include SONET/SDH, CWDM, DWDM, and RPR.

Synchronous Optical Network (SONET) and Synchronous . . .

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