1. Sidevõrgud IRT 4060/ IRT 0020 loengud kolmapäeviti kell 10
Avo Ots telekommunikatsiooni õppetool,
TTÜ raadio- ja sidetehnika inst.

2. Võrgutehnoloogiad TEENUSED Võrgutehnoloogia: kanalitehnoloogia
võrgusõlme tehnoloogia
TEENUSED
RIISTVARA & TARKVARA

3. Teenused võrgu kaudu

4. Lüüs/marsruuter G R

5. Kihid 7 6 5 4 3 2 1 Füüsiline (ühendus) Kanal Võrk Transport Seanss
Esitlus
Rakendus
Application
Presentation
Session
Network
Data link
Physical
SSL, WSP
RFC 791 IP, RFC 792 ICMP
TCP RFC 793, UDP RFC 768
WAE, HTTP, RFC821,822
ISO
IEEE a
Cat5, RS-232D

6. UNI UNI Application Layer CPE CPE NNI NNI Service Layer Transmission
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
Physical
Interface
Logical
Interface
Service
Access
Point

7. Service Components Service Control Service Switching Service Access
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

8. Client Server Application Layer Server Server Server CPE IP CPE IP
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
Physical
Interface
Logical
Interface
Service
Access
Point

9. Telecom basic service/call control Off-line customer management
Transmission
Access Service
Terminal
Telecom basic service/call control
Off-line customer management
Extended call control and IN charging
Linear Service Architecture in Legacy Network: Static Services A
Terminal B
Portal
Transmission
Access
Session Service
Control Service
A Home Service
B Home Service
A User Service
Management
B User Service
Two-Dimension Service Architecture in NGN: Active Services

13. Standardimine
EuroDOCSIS
DOCSIS - Data Over Cable Service Interface Specification
Euro – Standardi kohandus Euroopa kaabellevi oludesse
Kanaliplaan

14. Downstream Keskseade  HFC  Kaabelmodemid
Pidev andmevoog kõigi kaabelmodemiteni
Modulatsioon: 64QAM, 256QAM
Sageduspiirkond: 85 – 860 MHz
Kanalilaius: 8 MHz
Edastuskiirus: 27 – 56 Mbit/s
Jõudlus: – 1200 klienti

15. Upstream Kaabelmodem  HFC  Keskseade
TDMA (Time Division Multiple Access)
Modulatsioon: QPSK, 16QAM
Sageduspiirkond: 5 – 65 MHz
Kanalilaius: 2 MHz
Edastuskiirus: ~ 3 Mbit/s
Jõudlus: klienti

16. Andmevoogude sidumine