| Publisher | University of California | ||
|---|---|---|---|
| Format | 53.1KB PDF | Date added | 08 Feb 2004 |
| Topics | Bandwidth Issues, Back-up | ||
| Downloads | 3 | ||
This paper presents a novel extension in network resource allocation that guarantees the protection of paths against an arbitrary failure of at most one link. It is a well known observation that the protection paths of disjoint normal paths are never active simultaneously and can consequently share resources. The extension relies on the key observation that a failed normal path stops carrying traffic, and so remaining links on this path could potentially re-use this normal bandwidth to support other protection traffic. The chief contribution of the paper is the quantification of these additional gains by sharing reserved normal bandwidth that is diverted during a failure.
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