Chapter 4. Advanced WAN Services Design Considerations
Upon completing this chapter, you will be able to
• Choose an appropriate advanced WAN technology based on customer requirements
• Describe the optical technologies used in support of advanced WAN technologies
• Describe Metro Ethernet, VPLS, and MPLS VPN technologies
• Discuss customer requirements and SLAs as part of a WAN design
This chapter reviews the key concepts associated with the design and selection of WAN services. The optical technologies Synchronous Optical Network (SONET), Synchronous Digital Hierarchy (SDH), coarse wavelength-division multiplexing (CWDM), dense wavelength-division multiplexing (DWDM), and Route Processor Redundancy (RPR) are considered along with their companion, ...
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