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Kommunikatsiooniteenuste arendus IRT0080. Loeng 1/2009 Avo Ots telekommunikatsiooni õppetool, TTÜ raadio- ja sidetehnika inst. avots@lr.ttu.ee. Korraldus. Veeb http://www.lr.ttu.ee/teenused/ (uuendus 5. veebr.) V ALIKAINE
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Kommunikatsiooniteenuste arendusIRT0080 Loeng 1/2009Avo Otstelekommunikatsiooni õppetool, TTÜ raadio- ja sidetehnika inst.avots@lr.ttu.ee
Korraldus Veeb http://www.lr.ttu.ee/teenused/ (uuendus 5. veebr.)VALIKAINE • 12 loenguteemat, 12. veebr. konsultatsioon, järgmine loeng N. 19. veebr. 2009 • Neli laborit, vajadusel aeg erileppel • Eksamiprojekt (eskiislahendus) (kommunikatsioonilahenduse kavandamine ja analüüs) (semestri 3 viimast nädalat)
Laborid • Labor 1: E-posti protokollid ja klienditarkvara seadistamine, sh liikluse analüüs • Labor 2: Mobiilsidevõrgu sõlmed ja kanalid • Labor 3: Võrguhaldus SNMP • Labor 4: IP telefoni keskkond
Tehnoloogiad Võrgutehnoloogia: • kanalitehnoloogia • võrgusõlme tehnoloogia TEENUSED RIISTVARA & TARKVARA
Application WAE, HTTP, RFC821,822 Rakendus 7 6 5 4 3 2 1 Presentation ISO 8859-15 Esitlus SSL, WSP Seanss Session TCP RFC 793, UDP RFC 768 Transport Transport Network RFC 791 IP,RFC 792 ICMP Võrk IEEE 802.11a Data link Kanal Physical Füüsiline (ühendus) Cat5, RS-232D Kihid
IP Datacast IP Datacast & OSI model
APP APP UNI UNI Application Layer Service Network CPE CPE NNI NNI Service Layer Switching Network Switching Network Switching Network Transmission Layer Transmission Network Transmission Network NNI NNI Physical Layer Physical Network Physical Network NNI Physical Network Service Access Point Logical Interface Physical Interface
Service Components Service Independent Block Service Independent Block Service Independent Block Service Independent Block Service Independent Block Service Logic Service Logic Service Control Service Switching Service Switch Service Switch Service Switch Service Switch Service Access Service Access Service Access Service Access Service Access Service Access Session Control (Circuit Switching control) Call/ Session Call/ Session Call/ Session Call/ Session Call/ Session Call/ Session Call/ Session
Client Server APP APP Application Layer Server Server Server ISP Applications ISP Applications ISP Applications CPE IP CPE IP Network Layer Packet Switching Network Packet Switching Network IP NNI Transmission Layer Transmission Network Transmission Network NNI Transmission Network Service Access Point Logical Interface Physical Interface
Application Application Transport Transport Network Network Network Datalink Datalink Datalink Physical Physical Physical Physical medium Ülemise ja alumised kihid • Lower three layers are hop-by-hop • Next two layers are end-to-end
Lüüs/marsruuter G R
source destination message M M H H H H H H H H H H H H l n n l n t t t t n t t segment M M datagram M M application transport network link physical application transport network link physical frame M M Sõnumiülekanne
network link physical transport application transport network link physical application transport network link physical application transport network link physical application transport network link physical data data data ack transport Andmeülekanne (loogiline)
network link physical application transport network link physical application transport network link physical application transport network link physical application transport network link physical data data Andmeülekanne (füüsiline)
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
cdma2000 1x operator 1 Adhoc Network cdma2000 1x operator 2 IP Network Web Server WLAN Edge GPRS Ethernet Võrkude ühiskasutus
Protokollid http://www.wirelessestonia.com http://www.private.org.il/tcpip_rl.html http://www.eix.co.uk/Ethernet/