Core IP Routing and Switching Technology - Cvt-dallas.org
Core IP Routing and Switching Technology - Cvt-dallas.org
Core IP Routing and Switching Technology - Cvt-dallas.org
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Next Generation Backbone<br />
Network Issues - 2<br />
• Multimedia traffic requires delay <strong>and</strong> jitter<br />
control (deterministic)<br />
–Approaches:<br />
– Over-provision links<br />
– Hope TCP does not overload, avoid downstream<br />
TCP merge<br />
– Groom traffic (MPLS)<br />
– Keep TCP out of real-time links<br />
– QoS for real-time traffic<br />
– Restrict TCP’s share of b<strong>and</strong>width on a link<br />
→ Need router with traffic management <strong>and</strong>/or large size<br />
8
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