Table of Contents
Prioritizing Critical Network Traffic
Agenda
Changing Network Requirements
New Computing Models Change Networking Requirements
Policy Based Campus LANs
Traffic Prioritization: What is it?
CoS & QoS
CoS & QoS Defined
Options for CoS/QoS in Today’s Packet LANs
IEEE-802.1p/Q: Redefining Ethernet
Implementations of Prioritization in the LAN
Where should Policy Controls be Implemented?
Implementing IEEE-802.1p Class of Service Software
Implementing IEEE-802.1p Class of Service Software
System-Wide Traffic Prioritization with IEEE-802.1p
Traffic Prioritization in the Core, EndSystem & Edge
Layer 3 Switch Prioritizes Traffic According to Centrally-Set Policies
Prioritization in Layer 3 Switches
Layer 3 Policy: Traffic Classifiers
Traffic Classifier
Layer 3 Policy: Admission Control
Admission Control for Bandwidth Reservation and Security
Admission Control: User Defined Filters
Layer 3 Policy: Traffic Governor
Traffic Governor
Layer 3 Policy: Queue Manager
Queue Manager
Qos—Mapping Flows to Desired CoS
Random Early Detection (RED)
Layer 3 Policy: Management
Action on Event: Management by Exception
Layer 3 Switch Traffic Prioritization using Centrally-Set Policies
Policy Management
Traffic Prioritization in the Core, EndSystem & Edge
How It Works: Aerial View of Traffic Prioritization
Layer 3 Siwtch Application
Layer 3 Switch for Migration
Layer 3 Sietch Migration: Shared FDDI to Switched FDDI
Layer 3 Switch Migration: Switched FDDI to Gb Ethernet
Migration: To ATM in the core
Targeted Application: Central Servers
Targeted Application: Client Access
End to End Ethernet
End of Presentation
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