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Trainet: a new label switching scheme
Trainet, a new scheme to extend MPLS (multi-protocol label switching) is presented. The scheme works much like the subway system in a large metropolitan area. Each (unidirectional) subway line corresponds to a labeled path, and a route in the network is defined by either a pair , where count specifi...
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Main Authors: | , |
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Format: | Conference Proceeding |
Language: | English |
Subjects: | |
Online Access: | Request full text |
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Summary: | Trainet, a new scheme to extend MPLS (multi-protocol label switching) is presented. The scheme works much like the subway system in a large metropolitan area. Each (unidirectional) subway line corresponds to a labeled path, and a route in the network is defined by either a pair , where count specifies how many hops a packet still has to take in the specified train, or a route may be defined by a sequence of such pairs. A sequence of such pairs specifies that the packet has to take a number of hops in one train-line, and then continue for a certain number of hops on another train-line and so forth. While slightly increasing the number of labels in a header and adding a counter to each label, the scheme reduces the total number of different labels necessary in the network, and in each switch. Thus, for a given number of labels it may support a larger number of flows. Moreover, our scheme considerably simplifies the path set-up cost while still providing all the features of MPLS: switching, supporting QoS, explicit routing, and traffic engineering. |
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ISSN: | 0743-166X 2641-9874 |
DOI: | 10.1109/INFCOM.2000.832262 |