Preemption and re-routing control strategy for resource provisioning and path selection in connection oriented networks

This thesis focuses on the preemption issues in connection-oriented networks, e.g. MPLS and ATM. Preemption mechanism primarily resides in the network management realm, where it functions by tearing down existing lower priority connections in order to provide resources for the higher priority connec...

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Bibliographic Details
Main Author: Lau, Chun Hau
Other Authors: Soong Boon Hee
Format: Thesis
Published: 2008
Subjects:
Online Access:https://hdl.handle.net/10356/4120
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author Lau, Chun Hau
author2 Soong Boon Hee
author_facet Soong Boon Hee
Lau, Chun Hau
author_sort Lau, Chun Hau
collection NTU
description This thesis focuses on the preemption issues in connection-oriented networks, e.g. MPLS and ATM. Preemption mechanism primarily resides in the network management realm, where it functions by tearing down existing lower priority connections in order to provide resources for the higher priority connections. Generally, it is activated when the network experiences high congestion due to competitions between different connections and network resources must be provided to satisfy the new mission critical connections. However, by giving these limited resources to the critical connections through preemption, the duration spent and work done for the preempted connections are wasted. This could lead to lower network throughput as well as higher service interruption. Our objective is to minimize this service disruption and loss of throughput. The general strategy is to provide re-routing capability to the existing connections, such that, these connections are re-routed before being torn down. By re-routing the connections as far as possible, the author shows that the network throughput loss is minimized while the service disruption is reduced significantly. Subsequently, this strategy is extended by using the preemption mechanism as an active entity for network path selection.
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spelling ntu-10356/41202023-07-04T16:59:07Z Preemption and re-routing control strategy for resource provisioning and path selection in connection oriented networks Lau, Chun Hau Soong Boon Hee School of Electrical and Electronic Engineering DRNTU::Engineering::Computer science and engineering::Computer systems organization::Computer-communication networks This thesis focuses on the preemption issues in connection-oriented networks, e.g. MPLS and ATM. Preemption mechanism primarily resides in the network management realm, where it functions by tearing down existing lower priority connections in order to provide resources for the higher priority connections. Generally, it is activated when the network experiences high congestion due to competitions between different connections and network resources must be provided to satisfy the new mission critical connections. However, by giving these limited resources to the critical connections through preemption, the duration spent and work done for the preempted connections are wasted. This could lead to lower network throughput as well as higher service interruption. Our objective is to minimize this service disruption and loss of throughput. The general strategy is to provide re-routing capability to the existing connections, such that, these connections are re-routed before being torn down. By re-routing the connections as far as possible, the author shows that the network throughput loss is minimized while the service disruption is reduced significantly. Subsequently, this strategy is extended by using the preemption mechanism as an active entity for network path selection. DOCTOR OF PHILOSOPHY (EEE) 2008-09-17T09:44:55Z 2008-09-17T09:44:55Z 2008 2008 Thesis Lau, C. H. (2008). Preemption and re-routing control strategy for resource provisioning and path selection in connection oriented networks. Doctoral thesis, Nanyang Technological University, Singapore. https://hdl.handle.net/10356/4120 10.32657/10356/4120 Nanyang Technological University application/pdf
spellingShingle DRNTU::Engineering::Computer science and engineering::Computer systems organization::Computer-communication networks
Lau, Chun Hau
Preemption and re-routing control strategy for resource provisioning and path selection in connection oriented networks
title Preemption and re-routing control strategy for resource provisioning and path selection in connection oriented networks
title_full Preemption and re-routing control strategy for resource provisioning and path selection in connection oriented networks
title_fullStr Preemption and re-routing control strategy for resource provisioning and path selection in connection oriented networks
title_full_unstemmed Preemption and re-routing control strategy for resource provisioning and path selection in connection oriented networks
title_short Preemption and re-routing control strategy for resource provisioning and path selection in connection oriented networks
title_sort preemption and re routing control strategy for resource provisioning and path selection in connection oriented networks
topic DRNTU::Engineering::Computer science and engineering::Computer systems organization::Computer-communication networks
url https://hdl.handle.net/10356/4120
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