Source-oriented topology aggregation with multiple QoS parameters in hierarchical networks
ACM Transactions on Modeling and Computer Simulation (TOMACS)
Crankback Prediction in Hierarchical ATM Networks
Journal of Network and Systems Management
Mechanisms for Inter-domain QoS Routing in Differentiated Service Networks
QofIS '00 Proceedings of the First COST 263 International Workshop on Quality of Future Internet Services
An Analysis of Internet Inter-Domain Topology and Route Stability
INFOCOM '97 Proceedings of the INFOCOM '97. Sixteenth Annual Joint Conference of the IEEE Computer and Communications Societies. Driving the Information Revolution
Analysis of Topology Aggregation techniques for QoS routing
ACM Computing Surveys (CSUR)
Inter-domain QoS routing on Diffserv networks: a region-based approach
Computer Communications
A Scalable QoS-based inter-domain routing scheme in a high speed wide area network
Computer Communications
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We present an interdomain routing protocol based on a new hierarchy, referred to as the viewserver hierarchy. The protocol satisfies policy and type of service (ToS) constraints, adapts to dynamic topology changes including failures that partition domains, and scales well to a large number of domains without losing detail (unlike the usual scaling technique of aggregating domains into superdomains). Domain-level views are maintained by special nodes called viewservers. Each viewserver maintains a view of a surrounding precinct. Viewservers are organized hierarchically. To obtain domain-level source routes, the views of one or more viewservers are merged (up to a maximum of twice the levels in the hierarchy). We also present a model for evaluating interdomain routing protocols, and apply this model to compare our viewserver hierarchy against the simple approach where each node maintains a domain-level view of the entire internetwork. Our results indicate that the viewserver hierarchy finds many short valid paths and reduces the amount of memory requirement by two orders of magnitude