Part 3 Scheduling And Shaping Traffic; Part 4 Creating A Qos Scheduler Hierarchy On An Interface With Qos - Juniper JUNOSE SOFTWARE FOR E SERIES 11.3.X - QUALITY OF SERVICE CONFIGURATION GUIDE 2010-09-22 Configuration Manual

List of Tables
Part 1
Chapter 1
Part 2
Chapter 3
Part 3
Chapter 9
Chapter 11
Chapter 13
Part 4
Chapter 16
Chapter 17
Copyright © 2010, Juniper Networks, Inc.
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxvii
Table 1: Notice Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxviii
Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxviii
QoS on the E Series Router
Quality of Service Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Table 3: QoS Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 4: QoS Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Classifying, Queuing, and Dropping Traffic
Configuring Queue Profiles for Buffer Management . . . . . . . . . . . . . . . . . . . . 17
Table 5: Egress Memory and Region Size on ASIC Line Modules . . . . . . . . . . . . . . 19
Scheduling and Shaping Traffic
Shared Shaping Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Table 6: Shared Shaper Terminology Used in This Chapter . . . . . . . . . . . . . . . . . . 68
Table 7: Comparison of Simple and Compound Shared Shaping . . . . . . . . . . . . . 69
Configuring Variables in the Simple Shared Shaping Algorithm . . . . . . . . . 85
Table 8: Guidelines for Configuring Simple Shared Shaper Algorithm
Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Table 9: Rising Edge Sample When Video Flow Starts . . . . . . . . . . . . . . . . . . . . . . 91
Table 10: Data When Video Flow Stops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Configuring Implicit and Explicit Constituent Selection for Shaping . . . . 103
Table 11: Comparison of Implicit and Explicit Shared Shaping . . . . . . . . . . . . . . . 104
Table 12: Bandwidth Allocation for Case 1 Explicit Constituents . . . . . . . . . . . . . . 113
Table 13: Bandwidth Allocation for Case 2 Explicit Constituents . . . . . . . . . . . . . . 114
Creating a QoS Scheduler Hierarchy on an Interface with QoS
Profiles
Configuring and Attaching QoS Profiles to an Interface . . . . . . . . . . . . . . . . 125
Table 14: Interface Types and Supported Commands . . . . . . . . . . . . . . . . . . . . . . 125
Configuring Shadow Nodes for Queue Management . . . . . . . . . . . . . . . . . . 141
Table 15: Shadow Node Consumption of Node and Queue Resources . . . . . . . . 144
xxiii