A new preemption policy for DiffServ-aware traffic engineering to minimize rerouting
In this paper, a new preemption policy is proposed and complemented with an adaptive scheme that aims to minimize rerouting. The preemption policy combines the three main optimization criteria: number of LSP to be preempted, priority of LSP to be preempted, and amount of bandwidth to be preempted. T...
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| creator | de Oliveira, J.C. Scoglio, C. Akyildiz, I.F. Uhl, G. |
| description | In this paper, a new preemption policy is proposed and complemented with an adaptive scheme that aims to minimize rerouting. The preemption policy combines the three main optimization criteria: number of LSP to be preempted, priority of LSP to be preempted, and amount of bandwidth to be preempted. The preemption policy is complemented by an adaptive scheme that selects LSP with lower priority and reduces their rate in order to accommodate the new high-priority LSP setup request. Heuristics for both preemption and adaptive preemption policies are derived. Simulation results show the heuristics' accuracy. Performance comparisons of a non-preemptive approach, our preemption policy, the adaptive rate policy, and the policy in use by commercial routers are included. |
| doi_str_mv | 10.1109/INFCOM.2002.1019315 |
| format | Conference Proceeding |
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The preemption policy combines the three main optimization criteria: number of LSP to be preempted, priority of LSP to be preempted, and amount of bandwidth to be preempted. The preemption policy is complemented by an adaptive scheme that selects LSP with lower priority and reduces their rate in order to accommodate the new high-priority LSP setup request. Heuristics for both preemption and adaptive preemption policies are derived. Simulation results show the heuristics' accuracy. Performance comparisons of a non-preemptive approach, our preemption policy, the adaptive rate policy, and the policy in use by commercial routers are included.</abstract><pub>IEEE</pub><doi>10.1109/INFCOM.2002.1019315</doi></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | ISSN: 0743-166X |
| ispartof | Proceedings.Twenty-First Annual Joint Conference of the IEEE Computer and Communications Societies, 2002, Vol.2, p.695-704 vol.2 |
| issn | 0743-166X 2641-9874 |
| language | eng |
| recordid | cdi_ieee_primary_1019315 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Aggregates Availability Bandwidth Communication networks Electronic mail Load management Maintenance engineering Multiprotocol label switching Packet switching Telecommunication traffic |
| title | A new preemption policy for DiffServ-aware traffic engineering to minimize rerouting |
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