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Título:
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Label Space Reduction in MPLS Networks: How Much Can A Single Stacked Label Do?
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Autor/a:
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Solano Donado, Fernando; Stidsen, Thomas; Fabregat Gesa, Ramon; Marzo i Lázaro, Josep Lluís
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Abstract:
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Most network operators have considered reducing LSR label spaces (number of labels used) as a way of simplifying management of underlaying virtual private networks (VPNs) and therefore reducing operational expenditure (OPEX). The IETF outlined the label merging feature in MPLS-allowing the configuration of multipoint-to-point connections (MP2P)-as a means of reducing label space in LSRs. We found two main drawbacks in this label space reduction a)it should be separately applied to a set of LSPs with the same egress LSR-which decreases the options for better reductions, and b)LSRs close to the edge of the network experience a greater label space reduction than those close to the core. The later implies that MP2P connections reduce the number of labels asymmetrically |
Fecha de creación:
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20-05-2010 |
Materia(s):
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-Extranets (Xarxes d'ordinadors) -MPLS (Norma) -Ordinadors, Xarxes d' -- Arquitectures -Protocols de xarxes d'ordinadors -Telecomunicació -- Tràfic -Computer network architectures -Computer network protocols -Extranets (Computer networks) -MPLS standard -Telecommunication -- Traffic -Virtual Private Network |
Derechos:
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Tots els drets reservats |
Tipo de documento:
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Artículo |
Editor:
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IEEE
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