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A transparent QoS mechanism to support IntServ/DiffServ networks

IntServ and DiffServ networks are both proposed to promote quality of service (QoS) for multimedia applications in the Internet. However, the complexity of communication between diverse applications and underlying QoS architectures leads to one of the deployment problems which decreases the utility of QoS provisioning. Without modifying legacy applications, the paper presents a transparent QoS mechanism (TQM) to communicate with underlying QoS architectures and also provide swappable modules to support different QoS setups for diverse applications. Currently, TQM is implemented on the UNIX platform, and some important issues of applying TQM in IntServ/DiffServ networks have been examined.