Presentation Evaluation of VoMPLS Compared to VoIP

7/28/2019 Presentation Evaluation of VoMPLS Compared to VoIP

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Evaluation of VoMPLS compared to VoIPSpring 2002

Masters Thesis

Evaluation of VoMPLS compared to VoIP

Edward FjellsklStig Solberg

Faglrer: Ragnar Johnsen

Veileder: Per Eirik Heimdal

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Agenda

Introduksjon Hvorfor pakkesvitsjet tale?

(VoP -Voice over Packet)

VoIP MPLS / VoMPLS UMTS VoMPLS i UMTS Oppsummering

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MPLS er en godkjent teknologi-standard MPLS tillater at de fleste typer pakker blir videresendt

p lan 2 (iht. OSI-modellen) MPLS er en viktig utvikling innen Internet teknologier VoMPLS er en metode for transportere tale direkte

over MPLS uten frst innkapsle tale data i IP

MPLS Multiprotocol Label Switching

Introduksjon

Oppsummering

VoMPLS in UMTS

UMTS

MPLS/VoMPLS

VoIP

VoPIntroduksjon

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VoP Voice over Packet

Hvorfor VoP?

Vedlikeholde kun en nettverks-teknologi

Ressurs effektiviseringBilligere verdiskapende tjenesterInnsparing p telefonregningen

Oppsummering

VoMPLS in UMTS

UMTS

MPLS/VoMPLS

VoIPIntroduction

VoP

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IP UDP RTP Voice Payload

VoIP

Terminologien VoIP Hvorfor UDP? Hvorfor RTP?

Oppsmmering

VoMPLS in UMTS

UMTS

MPLS/VoMPLSIntroduction

VoP

VoIP

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VoIP cont.

Oppsmmering

VoMPLS in UMTS

UMTS

MPLS/VoMPLSIntroduction

VoP

VoIP

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MPLS / VoMPLS

Hvorfor MPLS?

MPLS-TE (Traffic Engineering)

VoMPLS.

Label TTLSExp

20 bits 3 bits 8 bits

1 bit

Payload

Oppsummering VoMPLS in UMTSUMTSIntroductionVoP VoIPMPLS/VoMPLS

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VoIPPSTN

ISDNVoATMVoFR

.

.others

VoIPPSTN

ISDNVoATMVoFR

.

.others

GW

GWGW

GW

Til

Fra

Til

FraMPLS nettverk

Eksempel TaleNettverk

Eksempel TaleNettverk

Ogs betegnet(ingress/egress)

LER (Label Edge Router)

BetegnetLSR

(Label Switching Router)

BetegnetLSP

(Label Switching Path)

Oppsummering VoMPLS in UMTSUMTSIntroductionVoP VoIPMPLS/VoMPLS

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Universal MobileTelecommunicationsSystem (3G)

Pakke-basert transmisjon

opptil 2Mbps Alltid koblet opp mot

Internett Nye tjenester

UMTS

Oppsummering VoMPLS i UMTSIntroductionVoP VoIPMPLS/VoMPLSUMTS

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ATM i UMTS kjerne-nettverk Overgang til IP/MPLS Evolusjon til ett IP aware

network

ATM utstyr kompatibelt medMPLS MPLS sttter CoS/QoS for

tjeneste differensiering

MPLS i UMTS

Oppsummering VoMPLS i UMTSIntroductionVoP VoIPMPLS/VoMPLSUMTS

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Et UMTS nettverk....

Oppsummering VoMPLS i UMTSIntroductionVoP VoIPMPLS/VoMPLSUMTS

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QoSDelay (forsinkelse)

Multiplexing

Payload til overhead forholdet

Header kompresjon

Interoperabilitet

Ytelse, tilgjengelighet and plitelighet

konomiske aspekter

Oppsummering - VoMPLS

IntroductionVoP VoIPMPLS/VoMPLSUMTSVoMPLS in UMTSOppsummering

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Oppsummering VoMPLS i UMTS

MPLS i kjerne-nettetVoIPoMPLS eller VoMPLS2 basis-muligheter

InnkapslingRe-mapping

Pre-definerte ellerdynamiske stier (LSPs)?

konomi og fordeler

IntroductionVoP VoIPMPLS/VoMPLSUMTSVoMPLS in UMTSOppsummering

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Sprsml....?

[email protected]

[email protected]