Juniper JUNOSE SOFTWARE FOR E SERIES 11.3.X - QUALITY OF SERVICE CONFIGURATION GUIDE 2010-09-22 Configuration Manual page 20

JunosE 11.3.x Quality of Service Configuration Guide
Chapter 12
Chapter 13
Part 4
Chapter 16
Chapter 17
Part 5
Chapter 19
Chapter 21
Chapter 22
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Figure 22: Simple Shared Shaper Behavior Without Algorithm Controls . . . . . . . 85
Figure 23: Less Conservative Simple Shared Shaper Behavior . . . . . . . . . . . . . . . 86
Figure 24: More Liberal Simple Shared Shaper Behavior . . . . . . . . . . . . . . . . . . . . 86
Figure 25: Dynamic Rate When Video Flow Starts . . . . . . . . . . . . . . . . . . . . . . . . . 92
Figure 26: Dynamic Rate When Video Flow Stops . . . . . . . . . . . . . . . . . . . . . . . . . 93
Configuring Compound Shared Shaping of Traffic . . . . . . . . . . . . . . . . . . . . 95
Figure 27: VC Compound Shared Shaping Example . . . . . . . . . . . . . . . . . . . . . . . 98
Figure 28: VP Compound Shared Shaping Example . . . . . . . . . . . . . . . . . . . . . . 100
Configuring Implicit and Explicit Constituent Selection for Shaping . . . . 103
Figure 29: Implicit Constituent Selection for Compound Shared Shaper at
Best-Effort Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Figure 30: Implicit Constituent Selection for Compound Shared Shaper at
Best-Effort Queue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Figure 31: Weighted Shared Shaping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Figure 32: Implicit Constituent Selection for Compound Shared Shaper: Mixed
Interface Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Figure 33: Explicit Constituent Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Figure 34: Case 1: Explicit Constituent Selection with Weighted Constituents . . . 113
Figure 35: Case 2: Explicit Constituent Selection with Weighted Constituents . . 114
Creating a QoS Scheduler Hierarchy on an Interface with QoS
Profiles
Configuring and Attaching QoS Profiles to an Interface . . . . . . . . . . . . . . . . 125
Figure 36: Munged Profile Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Figure 37: Attaching QoS Profiles to ATM Subinterfaces . . . . . . . . . . . . . . . . . . . . 133
Figure 38: Attaching QoS Profile to ATM Interface and Subinterface . . . . . . . . . . 135
Figure 39: Diffserv Configuration with Multiple Traffic-Class Groups . . . . . . . . . . 139
Figure 40: Diffserv Configuration Without Traffic-Class Groups . . . . . . . . . . . . . 140
Configuring Shadow Nodes for Queue Management . . . . . . . . . . . . . . . . . . 141
Figure 41: Phantom Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Figure 42: Shadow Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Interface Solutions for QoS
Configuring an Integrated Scheduler to Provide QoS for ATM . . . . . . . . . . . 151
Figure 43: Integrated ATM Scheduler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Figure 44: Default Integrated Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Figure 45: Low-Latency Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Figure 46: Low-CDV Mode (per-VP CDVT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Figure 47: Low-CDV Mode (per-VC CDVT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Configuring QoS for 802.3ad Link Aggregation Groups . . . . . . . . . . . . . . . . 175
Figure 48: 802.3ad Link Aggregation Scheduler Hierarchy . . . . . . . . . . . . . . . . . . 178
Figure 49: Subscriber LoadBalanced Scheduler Hierarchy for Port 0 . . . . . . . . . 180
Figure 50: Subscriber LoadBalanced Scheduler Hierarchy for Port 1 . . . . . . . . . . 180
Figure 51: Subscriber Allocation and Load Balancing . . . . . . . . . . . . . . . . . . . . . . . 181
Configuring QoS for L2TP Sessions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
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