Dynamic Routing in Broadband Networks

1 Introduction.- 1.1 Overview of this Work.- 1.2 Chapter Overview.- 1.3 Evolution of Broadband Networks.- 1.4 Broadband Network Architectures.- 1.5 Network Protocols.- 1.6 Quality of Service.- 1.7 QoS Routing.- 1.8 Dynamic Routing.- 2 Routing in Telephone and Data Networks.- 2.1 Dynamic Routing in Telephone Networks.- 2.2 Routing in IP-Based Data Networks.- 2.3 Classification of Routing Schemes.- 2.4 Routing Schemes and the Degree of Meshing.- 2.5 Some Selected Algorithms for Routing Computations.- 3 ATM Routing.- 3.1 Asynchronous Transfer Mode.- 3.2 PNNI.- 3.3 The Time Scale Model.- 3.4 Research Efforts in ATM Routing.- 4 Multiprotocol Label Switching.- 4.1 The MPLS Shim Header.- 4.2 Label Switched Paths.- 4.3 MPLS Signaling.- 4.4 MPLS Routing.- 4.5 Traffic Engineering.- 5 Performance Optimization of ATM Routing.- 5.1 Broadband Traffic Models.- 5.2 Brief Overview of the MDP Theory.- 5.3 Theory of MDP Routing.- 5.4 Existing MDP Routing Schemes.- 5.5 New Approach for Multirate MDP Cost Computation.- 5.6 Computation of Initial Offered Loads.- 5.7 Link Load Estimation.- 5.8 The Cost of Unidirectional and Bi-directional Calls.- 5.9 Fairness for Service Requests.- 5.10 Self-Adaptive Cost Tables.- 6 DR/ATM - A Dynamic Routing Scheme.- 6.1 Principles of DR/ATM.- 6.2 Requirements on ATM Routing Scenarios.- 6.3 Path Selection in DR/ATM.- 6.4 The DR/ATM Routing Architecture.- 6.5 VPC Configuration.- 6.6 DR/ATM for Weakly Meshed Networks.- 6.7 Interworking with PNNI Networks.- 6.8 Selection of a Multicast algorithm for DR/ATM.- 6.9 Automatic Adaptation of the Cost Function Tables.- 6.10 Analysis of Requirements on Network Entities.- 7 Implementation of the Simulation Models.- 7.1 Cell-and Connection-Level.- 7.2 The Simulation Tool.- 7.3 The Routing Simulator.- 7.4 DeterminingCAC Parameters at the Cell-level.- 8 Simulation Results and Performance Comparison.- 8.1 Routing Schemes Simulated.- 8.2 Network Scenarios.- 8.3 Results for the Five-Node Fully Meshed Network.- 8.4 Results