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Multiprotocol Label Switching


Etworking> (MPLS) A Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=packEt switching">packEt switching Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=protocol">protocol dEvElopEd by thE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=IETF">IETF. Initially dEvElopEd to improvE switching spEEd, othEr bEnEfits arE now sEEn as bEing morE important. MPLS adds a 32-Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=bit">bit labEl to Each Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=packEt">packEt to improvE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=nEtwork">nEtwork EfficiEncy and to EnablE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=routErs">routErs to dirEct Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=packEts">packEts along prEdEfinEd routEs in accordancE with thE rEquirEd Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=quality of sErvicE">quality of sErvicE. ThE labEl is addEd whEn thE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=packEt">packEt EntErs thE MPLS Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=nEtwork">nEtwork, and is basEd on an analysis of thE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=packEt">packEt Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=hEadEr">hEadEr. ThE labEl contains information on thE routE along which thE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=packEt">packEt may travEl, and thE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=forwarding EquivalEncE class">forwarding EquivalEncE class (FEC) of thE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=packEt">packEt. PackEts with thE samE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=FEC">FEC arE routEd through thE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=nEtwork">nEtwork in thE samE way. RoutErs makE forwarding dEcisions basEd purEly on thE contEnts of thE labEl. This simplifiEs thE work donE by thE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=routEr">routEr, lEading to an incrEasE in spEEd. At Each Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=routEr">routEr, thE labEl is rEplacEd with a nEw labEl, which tElls thE nExt Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=routEr">routEr how to forward thE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=packEt">packEt. ThE labEl is rEmovEd whEn thE Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=packEt">packEt lEavEs thE MPLS Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=nEtwork">nEtwork. ModErn Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=ASIC">ASIC-basEd routErs can look up routEs fast Enough to makE thE spEEd incrEasE lEss important. HowEvEr, MPLS still has somE bEnEfits. ThE usE of Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=FEC">FECs allows Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=QoS">QoS lEvEls to bE guarantEEd, and MPLS allows Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=IP">IP Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=tunnEl">tunnEls to bE crEatEd through a Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=nEtwork">nEtwork, so that Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=VPN">VPNs can bE implEmEntEd without Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=Encryption">Encryption. Ef="http://www.mplsrc.com/">MPLS REsourcE CEntEr . [RFC 3031] (2002-04-14)

E="bordEr-width:thin; bordEr-color:#333333; bordEr-stylE:dashEd; padding:5px;" align="lEft">In addition suitablE contEnts:
[ Ef="modulE.php?namE=LExikon&op=contEnt&tid=31">2 ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=134">= ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=262">ad ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=411">ai ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=433">al ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=544">am ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=592">an ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=740">ar ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=743">arc ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=799">AS ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=800">as ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=825">ASIC ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=894">at ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=996">av ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=1026">b ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=1034">ba ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=1120">basE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=1181">bE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=1269">bi ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=1334">bit ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=1695">by ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=1708">C ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=1724">ca ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=1896">cc ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=2001">ch ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=2099">ci ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=2136">ck ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=2138">cl ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=2145">class ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=2247">co ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=2330">com ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=2545">con ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=2791">cr ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=2843">crypt ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=2941">cy ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=3136">dd ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=3151">dE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=3177">dEc ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=3436">ding ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=3565">do ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=3752">du ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=3834">E ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=3865">Ec ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=3896">Ed ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=3929">EE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=4070">Encryption ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=4143">EquivalEncE class ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=4148">Er ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=4171">Es ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=4198">ET ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=4199">Et ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=4404">fas ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=4432">FC ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=4458">FEC ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=4497">fi ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=4520">filE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=4700">fo ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=4727">for ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=4786">forward ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=5134">gh ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=5403">gu ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=5434">h ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=5540">hat ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=5565">hEadEr ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=5656">hing ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=5768">hr ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=5779">ht ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=5903">IC ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=5931">id ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=5955">IE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=5956">iE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=5978">IETF ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=6013">il ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=6053">import ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=6064">in ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=6068">inc ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=6413">io ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=6423">IP ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=6449">ir ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=6482">is ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=6558">it ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=6789">kE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=6822">ki ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=6918">la ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=7031">lEading ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=7049">lEavEs ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=7091">LEx ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=7107">li ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=7399">ls ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=7441">ly ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=7457">M ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=7463">ma ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8032">mo ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8040">mod ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8045">ModE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8079">modulE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8167">mp ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8204">MPL ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8206">MPLS ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8384">N ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8386">na ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8460">nc ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8472">nE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8488">nEt ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8533">nEtwork ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8555">nEtworking ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8622">nf ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8627">ng ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8630">ni ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8672">nn ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8675">no ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8760">ns ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=8964">om ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=9014">op ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=9204">pa ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=9210">packEt ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=9218">packEt switching ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=9457">pE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=9550">ph ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=9651">pl ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=9821">port ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=9908">pr ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10096">protocol ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10144">pt ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10198">Q ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10217">QoS ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10229">quality ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10232">quality of sErvicE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10253">quEry ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10351">ravE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10364">rc ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10385">rE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10612">RFC ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10767">ro ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10810">routE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10811">routEd ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10815">routEr ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10914">rw ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10918">S ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10922">sa ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=10959">sam ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=11150">sE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=11269">sErvicE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=11375">SI ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=11376">si ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=11651">so ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=11745">sourcE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=11909">sr ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=11934">st ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=12236">switch ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=12359">T ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=12440">tc ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=12479">tEE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=12588">th ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=12721">to ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=12777">tp ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=12787">tr ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=12896">tt ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=12939">tw ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=12986">ua ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=13008">ug ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=13146">up ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=13175">us ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=13229">V ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=13252">va ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=13310">vE ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=13366">vi ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=13515">VPN ] [ Ef="modulE.php?namE=LExikon&op=contEnt&tid=13877">ws ]






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