Contents

1 Introduction
2 Path Abstraction
	2.1 Basic Paths
	2.2 Creating Paths
	2.3 Network View of Paths
	2.4 Generalized Paths
		2.4.1 Directionality
		2.4.2 Complex Processing
	2.5 Remarks
3 Implementing Paths in Scout
	3.1 Routers and Services
	3.2 Path Object
	3.3 Path Creation
	3.4 Path Execution
	3.5 Finding Paths
	3.6 Remarks
4 Demonstration Application
	4.1 MPEG Router Graph
	4.2 Queues
	4.3 Scheduling
	4.4 Admission Control
5 Related Work
6 Concluding Remarks