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Multiprotocol Label Switching

About: Multiprotocol Label Switching is a research topic. Over the lifetime, 7339 publications have been published within this topic receiving 104420 citations. The topic is also known as: MLPS & Multi-protocol label switching.


Papers
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01 Jan 2001
TL;DR: This document specifies the architecture for Multiprotocol Label Switching (MPLS).
Abstract: This document specifies the architecture for Multiprotocol Label Switching (MPLS). [STANDARDS-TRACK]

3,354 citations

01 Dec 2001
TL;DR: In this paper, the use of RSVP (Resource Reservation Protocol) to establish label-switched paths (LSPs) in MPLS (Multi-Protocol Label Switching) is described.
Abstract: This document describes the use of RSVP (Resource Reservation Protocol), including all the necessary extensions, to establish label-switched paths (LSPs) in MPLS (Multi-Protocol Label Switching) Since the flow along an LSP is completely identified by the label applied at the ingress node of the path, these paths may be treated as tunnels A key application of LSP tunnels is traffic engineering with MPLS as specified in RFC 2702

1,479 citations

01 Oct 2004
TL;DR: This document describes the architecture of GMPLS, which extends MPLS to encompass time-division, wavelength, and spatial switching and aims to cover both the signaling and the routing part of that control plane.
Abstract: Future data and transmission networks will consist of elements such as routers, switches, DWDM systems, Add-Drop Multiplexors (ADMs), photonic cross-connects (PXCs), optical cross-connects (OXCs), etc. that will use Generalized MPLS (GMPLS) to dynamically provision resources and to provide network survivability using protection and restoration techniques. This document describes the architecture of GMPLS. GMPLS extends MPLS to encompass time-division (e.g. SDH/SONET, PDH, G.709), wavelength (lambdas), and spatial switching (e.g. incoming port or fiber to outgoing port or fiber). The main focus of GMPLS is on the control plane of these various layers since each of them can use physically diverse data or forwarding planes. The intention is to cover both the signaling and the routing part of that control plane.

1,314 citations

01 Sep 1999
TL;DR: This document identifies the functional capabilities required to implement policies that facilitate efficient and reliable network operations in an MPLS domain and can be used to optimize the utilization of network resources and to enhance traffic oriented performance characteristics.
Abstract: This document presents a set of requirements for Traffic Engineering over Multiprotocol Label Switching (MPLS). It identifies the functional capabilities required to implement policies that facilitate efficient and reliable network operations in an MPLS domain. These capabilities can be used to optimize the utilization of network resources and to enhance traffic oriented performance characteristics.

1,235 citations

Proceedings ArticleDOI
26 Mar 2000
TL;DR: Surprisingly it turned out that for the proposed AT&T WorldNet backbone, weight settings that performed within a few percent from that of the optimal general routing where the flow for each demand is optimally distributed over all paths between source and destination.
Abstract: Open shortest path first (OSPF) is the most commonly used intra-domain Internet routing protocol. Traffic flow is routed along shortest paths, splitting flow at nodes where several outgoing links are on shortest paths to the destination. The weights of the links, and thereby the shortest path routes, can be changed by the network operator. The weights could be set proportional to their physical distances, but often the main goal is to avoid congestion, i.e., overloading of links, and the standard heuristic recommended by Cisco is to make the weight of a link inversely proportional to its capacity. Our starting point was a proposed AT&T WorldNet backbone with demands projected from previous measurements. The desire was to optimize the weight setting based on the projected demands. We showed that optimizing the weight settings for a given set of demands is NP-hard, so we resorted to a local search heuristic. Surprisingly it turned out that for the proposed AT&T WorldNet backbone, we found weight settings that performed within a few percent from that of the optimal general routing where the flow for each demand is optimally distributed over all paths between source and destination. This contrasts the common belief that OSPF routing leads to congestion and it shows that for the network and demand matrix studied we cannot get a substantially better load balancing by switching to the proposed more flexible multi-protocol label switching (MPLS) technologies. Our techniques were also tested on synthetic internetworks, based on a model of Zegura et al., (1996), for which we did not always get quite as close to the optimal general routing.

1,200 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202318
202272
202164
2020125
2019184
2018200