1. 1 Kommunikatsiooniteenuste arendus IRT0080 Loeng 1/2010 Avo Ots telekommunikatsiooni õppetool, TTÜ raadio- ja sidetehnika inst. avots@lr.ttu.ee

2. 2 Korraldus Veeb http://www.lr.ttu.ee/teenused/ (uuendus 5. veebr.) VALIKAINEhttp://www.lr.ttu.ee/teenused/ 12 loenguteemat, 12. veebr. konsultatsioon laborite teemal, järgmine loeng R. 19. veebr. 2009 Neli laborit, vajadusel aeg erileppel Eksamiprojekt (eskiislahendus) (kommunikatsioonilahenduse kavandamine ja analüüs) (semestri 4 viimast nädalat)

3. 3 Laborid Labor 1: E-posti protokollid ja klienditarkvara seadistamine, sh liikluse analüüs Labor 2: Mobiilsidevõrgu sõlmed ja kanalid (alates 9. nädalast, varem erileppel) Labor 3: Võrguhaldus SNMP Labor 4: IP telefoni kommutatsiooni keskkond

4. 4 Tehnoloogiad Võrgutehnoloogia: kanalitehnoloogia võrgusõlme tehnoloogia TEENUSED RIISTVARA & TARKVARA

5. 5 Signaali levitamine

6. 6 Kihid 76543217654321 Füüsiline ( ühendus ) Kanal Võrk Transport Seanss Esitlus Rakendus Application Presentation Session Transport Network Data link Physical SSL, WSP RFC 791 IP, RFC 792 ICMP TCP RFC 793, UDP RFC 768 WAE, HTTP, RFC821,822 ISO 8859-15 IEEE 802.11a Cat5, RS-232D

7. 7 IP Datacast & OSI model IP Datacast

8. 8 Physical Network Transmission Network CPE Physical Network Transmission Network Switching Network Switching Network Application Layer Service Layer Transmission Layer Physical Layer Physical Interface Logical Interface UNI NNI Service Access Point APP Switching Network Switching Network Switching Network Switching Network Service Network Service Network

9. 9 Service Access Service Access Service Logic Service Independent Block Service Independent Block Service Switch Service Control Service Switching Service Access Service Independent Block Service Independent Block Service Switch Service Logic Service Access Service Access Service Access Service Access Service Access Service Access Service Access Service Access Service Components Service Independent Block Service Independent Block Service Independent Block Service Independent Block Service Independent Block Service Independent Block Call/ Session Call/ Session Call/ Session Call/ Session Call/ Session Call/ Session Call/ Session Call/ Session Call/ Session Call/ Session Call/ Session Call/ Session Call/ Session Call/ Session Session Control (Circuit Switching control)

10. 10 Transmission Network Transmission Network Packet Switching Network Packet Switching Network ISP Applications ISP Applications CPE Transmission Network Transmission Network Transmission Network Transmission Network Packet Switching Network Packet Switching Network ISP Applications ISP Applications ISP Applications ISP Applications Application Layer Network Layer Transmission Layer Physical Interface Logical Interface IP NNI Service Access Point APP Server Client

11. 11 Layering

12. 12 Ülemise ja alumised kihid r Lower three layers are hop-by-hop r Next two layers are end-to-end Application Transport Network Datalink Physical Application Transport Network Datalink Physical Network Datalink Physical Physical medium

13. 13 R Lüüs/marsruuter G

14. 14 Sõnumiülekanne datagram application transport network link physical application transport network link physical source destination M M M M H t H t H n H t H n H l M M M M H t H t H n H t H n H l message segment frame

15. 15 Andmeülekanne (loogiline) application transport network link physical application transport network link physical application transport network link physical application transport network link physical network link physical data transport ack

16. 16 Andmeülekanne (füüsiline) application transport network link physical application transport network link physical application transport network link physical application transport network link physical network link physical data

17. 17 Teenuste keskkond

18. 18 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

19. 19 Võrkude ühiskasutus Ethernet Adhoc Network Adhoc Network cdma2000 1x operator 1 cdma2000 1x operator 2 GPRS Edge WLAN Web Server IP Network IP Network

20. 20 Võrguliikluse jaotus

21. 21 Protokollid http://www.wirelessestonia.com http://www.private.org.il/tcpip_rl.html http://www.eix.co.uk/Ethernet/