Chapter 30. WAN and Branch QoS Design Case Study
With their (wired and wireless) campus networks in place, Tifosi’s networking team is ready to extend their QoS deployment over the wide area. Their first phase of WAN QoS deployment will focus on their private WAN infrastructure.
Tifosi uses Cisco ASR 1000 series routers (each with ESP20s and SIP10s) for their WAN aggregation routers and either Cisco 3925E ISR G2s or Cisco 3945E ISR G2s for their branch routers (depending on the size of the branch).
Tifosi uses a combination of link types for WAN connectivity, including direct Serial and Packet over Sonet (POS) links, and ATM links. Link speeds range from T3/DS3 (45 Mbps) through OC3 (155 Mbps).
Tifosi’s networking team has two main objectives ...
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