Finding disjoint paths in networks
SIGCOMM '91 Proceedings of the conference on Communications architecture & protocols
Delivery of time-critical messages using a multiple copy approach
ACM Transactions on Computer Systems (TOCS)
Resource partitioning for real-time communication
IEEE/ACM Transactions on Networking (TON)
Fast restoration of real-time communication service from component failures in multi-hop networks
SIGCOMM '97 Proceedings of the ACM SIGCOMM '97 conference on Applications, technologies, architectures, and protocols for computer communication
RTSS '97 Proceedings of the 18th IEEE Real-Time Systems Symposium
Quality-of-service routing for supporting multimedia applications
IEEE Journal on Selected Areas in Communications
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For some real-time applications, it is necessary to provide a fast switch over to the backup connection whenever the primary connection fails. With the increase in reliability of network link, it is more cost effective if the backup resources are shared among a number of users. However, the sharing of backup resources must be controlled to ensure the users are provided with high availability of the backup connections. In this paper, we derive a set of equations for the determination of the availability of a shared backup channel, develop a backup provision strategy based on the channel availability, and we then evaluate the effectiveness of the proposed controlled shared backup strategy.