1
SidevõrgudIRT 4060/ IRT 0020
vooruloeng 2 / 22. sept 2004
Avo Otstelekommunikatsiooni õppetool,
TTÜ raadio- ja sidetehnika [email protected]
2
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
5
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
7
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
8
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
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