Strategic directions in networks and telecommunications
ACM Computing Surveys (CSUR) - Special ACM 50th-anniversary issue: strategic directions in computing research
Concepts for Resource Reservation in Advance
Multimedia Tools and Applications
An Engineering Approach to QoS Provisioning over the Internet
ECMAST '99 Proceedings of the 4th European Conference on Multimedia Applications, Services and Techniques
Distributed Advance Reservation of Real-Time Connections
NOSSDAV '95 Proceedings of the 5th International Workshop on Network and Operating System Support for Digital Audio and Video
An Agent-based Architecture for Advance Reservations
LCN '97 Proceedings of the 22nd Annual IEEE Conference on Local Computer Networks
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A number of distributed applications require communication services with Quality of Service (QoS) guarantees. The QoS provisioning issue in the Internet has been addressed by the IETF with the definition of the Integrated Services (IntServ) and Differentiated Services (Diffserv) frameworks. Resource reservation mechanisms on which these models are based are totally time-unaware. Yet, we believe that, in some cases, associating a time interval to network resource reservations could be useful for both users and network providers. In this paper we present a distributed scheme for time-dependent reservations in QoS-enabled IP networks. We also show how the standard signalling protocol RSVP may support this new reservation style, with only a few minor modifications. Finally, we present a first prototype implementation of the major component of the proposed architecture and we provide some hints on future applicability scenarios of the advance reservation paradigm and its impact on related topics such as policing and charging techniques in QoS-enabled IP networks.