Multiplexed Fiber Optic
Communications Fundamentals - CacheFly
Communications Fundamentals - CacheFly
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Ethernet Network Performance Priority<br />
High-Priority Queue<br />
Incoming Frames<br />
Priority<br />
Queue<br />
Mapping<br />
Port Transmit Queue<br />
Low-Priority Queue<br />
Inside the Switch<br />
(Per Port)<br />
Traffic Prioritization<br />
• Frames prioritized based on CoS value<br />
• Weighted round robin (WRR) and strict<br />
priority queuing<br />
Critical<br />
CoS 7<br />
CoS 7 CoS 7 CoS 7 CoS 7 CoS 7 CoS 7<br />
CoS 7<br />
High<br />
CoS 5<br />
CoS 5 CoS 5 CoS 5<br />
Medium<br />
CoS 3<br />
CoS 3<br />
Low<br />
CoS 1<br />
30
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