1

SidevõrgudIRT 4060/ IRT 0020

vooruloeng 2 / 22. sept 2004

Avo Otstelekommunikatsiooni õppetool,

TTÜ raadio- ja sidetehnika inst.avo.ots@ttu.ee

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Teenuste keskkond

Mobiilvõrk

Mobiilvõrk

Fiksvõrk

Internet

MM

3

Profiilid

application server

terminal(laptop/PDA)

profile server

AAA server

user profile:

operator’sinformationabout user

personal preferences:for choice of

accessetc.

network characteristics:bandwidth, cost, QoS, operator, ...

terminalcapabilities:screen size, processingcapacity, ...

access wizard:support for

access selection

link manager:access discovery

access manager:access selection

accesswizard agent

GUI

Mobile IPclient

application

Mobile IPForeign Agent

Mobile IPHome Agent

4

circuit-switchednetworks

(e.g. telephone)

communication networks

switchednetworks

broadcastnetworks

packet-switched networks

datagram networks

(e.g. Internet)

virtual circuit-switched networks(e.g. ATM)

Võrgud

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Võrgukomponendid ja haldus

6

Voogude kulg

Su

bn

et

1

Su

bn

et

2

Su

bn

et

3

Su

bn

et

4

Signaling Path

RTP & Payload

SignalingNetworks

Access Networks(Wireline & Wireless)

Transport / Interconnect

Networks

Sec

uri

ty M

easu

res

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Teenuste tagamine

Enterprise or Peer Point Network

SignalingNetworks

Access Networks(Wireline & Wireless)

Transport / Interconnect

Networks

Sec

uri

ty M

easu

res

DO

SA

ttac

kR

eroute Valid Traffic

Signaling Path

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Kokkuühendamine

ATM Networks

IWF

PSTN/ISDN Rec. Q.2931, PNNI

Frame Relay

Networks

IP-based Networks

Rec. Y.1310

IETF RFCs

IWF

IWF

Rec. I.555Rec. I.580

Rec. Q.931

ATM OSF & NM, M series Rec.

SNMP based

FR OSF & NM

PSTN/ISDN

IWF

SS7 Network

Rec. I.580Rec. Q.700 series

Wireless access

IWF

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Hajutatud töökeskkond

INTERNET

ISPISP

KaugtöökohadDNS

MAIL

Firma Filiaal

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Võrgud ja terminaalid

Libraries Programming Libraries

client application network applications

Terminals

Network (PSTN, PLMN, IP) Resources and Special Resources

networkcapabilities

resourcecontrollers

applications

Service Provider Servers

Network Intelligence Servers

Client

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Võrkude ühiskasutus

Ethernet

AdhocNetwork

AdhocNetwork

cdma2000 1xoperator 1

cdma2000 1xoperator 2

GPRS

Edge

WLAN

WebServer

IPNetwork

IPNetwork

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Võrguliikluse jaotus

Time slots

Arr

ival

rat

e

tts

T

C

Temporarilybuffered

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Mägi