17 Sidevõrgud IRT 4060/ IRT 0020 vooruloeng 2 / 22. sept 2004 Avo Ots telekommunikatsiooni õppetool, TTÜ raadio- ja sidetehnika inst.

18 Teenuste keskkond

19 Profiilid application server terminal (laptop/PDA) profile server AAA server user profile: operator’s information about user personal preferences: for choice of access etc. network characteristics: bandwidth, cost, QoS, operator,... terminal capabilities: screen size, processing capacity,... access wizard: support for access selection link manager: access discovery access manager: access selection access wizard agent GUI Mobile IP client application Mobile IP Foreign Agent Mobile IP Home Agent

20 circuit-switched networks (e.g. telephone) communication networks switched networks broadcast networks packet-switched networks datagram networks (e.g. Internet) virtual circuit- switched networks (e.g. ATM) Võrgud

21 Võrgukomponendid ja haldus

22 Voogude kulg Subnet 1Subnet 2Subnet 3Subnet 4 Signaling Path RTP & Payload Signaling Networks Access Networks (Wireline & Wireless) Transport / Interconnect Networks Security Measures

23 Teenuste tagamine Enterprise or Peer Point Network Signaling Networks Access Networks (Wireline & Wireless) Transport / Interconnect Networks Security Measures DOS Attack Reroute Valid Traffic Signaling Path

24 Kokkuühendamine ATM Networks IWF PSTN/ISDN Rec. Q.2931, PNNI Frame Relay Networks IP-based Networks Rec. Y.1310 IETF RFCs IWF Rec. I.555 Rec. I.580 Rec. Q.931 ATM OSF & NM, M series Rec. SNMP based FR OSF & NM PSTN/ISDN IWF SS7 Network Rec. I.580 Rec. Q.700 series Wireless access IWF

25 Hajutatud töökeskkond INTERNET ISP Kaugtöökohad DNS MAIL Firma Filiaal

26 Võrgud ja terminaalid Libraries Programming Libraries client applicationnetwork applications Terminals Network (PSTN, PLMN, IP) Resources and Special Resources network capabilities resource controllers applications Service Provider Servers Network Intelligence Servers Client

27 Võrkude ühiskasutus Ethernet Adhoc Network Adhoc Network cdma2000 1x operator 1 cdma2000 1x operator 2 GPRS Edge WLAN Web Server IP Network IP Network

28 Võrguliikluse jaotus

29 Mägi