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Networks 2008 - The 13th International Telecommunications Network Strategy and Planning Symposium
The increasing number of delay and loss critical services in packet networks require differentiated packet handling in the forwarding plane. Quality of Service (QoS) guarantees can be given for networks using resource reservation and admission control. However, such strategies require complex control plane extensions and might lead to higher operation expenditures. Network operators therefore often use over-provisioning and traffic differentiation to offer cheaper class of service quality indoi:10.1109/netwks.2008.5118487 fatcat:d2xjo5o73ffknpr3lhbgj24cpi