This volume presents the proceedings of the 13th International Workshop on Quality of Service (IWQoS 2005), held in Passau, Germany. The workshop focused on advancements and challenges in ensuring quality of service in various network environments. The papers collected here represent cutting-edge research from leading experts in the field.

This collection of papers from IWQoS 2005 offers a snapshot of the state-of-the-art in Quality of Service research during that period. The technical depth of the contributions suggests a readership of researchers and practitioners in computer networking and telecommunications. The focus on specific technical challenges indicates a specialized audience interested in the detailed mechanisms of network performance.