11.1 Introduction11.2 Theoretical Fundamentals11.3 Cross-Layer Congestion Control and QoS Capacity Allocation11.4 Cross-Layer Congestion Control and Backpressure Routing11.5 Cross-Layer Congestion Control and Power Allocation11.6 Multidomain Routing11.7 Dual Decomposition in Non-Convex Problems11.8 Notes and Sources11.9 ExercisesReferences