130 likes | 144 Views
Learn about network profiles, components, security measures, signaling paths, and service provisioning in the realm of communication networks. Explore network access, subnets, rerouting, and traffic validation security processes.
E N D
SidevõrgudIRT 4060/ IRT 0020 vooruloeng 2 / 22. sept 2004 Avo Otstelekommunikatsiooni õppetool, TTÜ raadio- ja sidetehnika inst.avo.ots@ttu.ee
terminal (laptop/PDA) GUI application application server access wizard:support for access selection accesswizard agent Mobile IP Foreign Agent Mobile IP Home Agent Mobile IPclient AAA server access manager:access selection profile server link manager:access discovery user profile:operator’sinformationabout user network characteristics:bandwidth, cost, QoS, operator, ... terminalcapabilities:screen size, processingcapacity, ... personal preferences: for choice of accessetc. Profiilid
Võrgud communication networks switchednetworks broadcastnetworks packet-switched networks circuit-switchednetworks(e.g. telephone) virtual circuit-switched networks(e.g. ATM) datagram networks(e.g. Internet)
Security Measures Signaling Path RTP & Payload Voogude kulg Signaling Networks Transport / Interconnect Networks Access Networks (Wireline & Wireless) Subnet 1 Subnet 2 Subnet 3 Subnet 4
Reroute Valid Traffic Security Measures Signaling Path Teenuste tagamine Signaling Networks Transport / Interconnect Networks DOS Attack Access Networks (Wireline & Wireless) Enterprise or Peer Point Network
PSTN/ISDN PSTN/ISDN Wireless access SS7 Network Rec. Q.931 Frame Relay Networks Rec. Q.700 series Rec. I.580 Rec. Q.2931, PNNI FR OSF & NM Rec. I.555 Rec. I.580 IWF IWF IWF IWF IWF IETF RFCs ATM Networks IP-based Networks Rec. Y.1310 ATM OSF & NM, M series Rec. SNMP based Kokkuühendamine
INTERNET Hajutatud töökeskkond Filiaal Firma ISP ISP DNS Kaugtöökohad MAIL
Network Intelligence Servers Service Provider Servers Võrgud ja terminaalid Terminals client application network applications applications Programming Libraries Libraries network capabilities Client resource controllers Network (PSTN, PLMN, IP) Resources and Special Resources
cdma2000 1x operator 1 Adhoc Network cdma2000 1x operator 2 IP Network Web Server WLAN Edge GPRS Ethernet Võrkude ühiskasutus