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Transcript 
Sidevõrgud
IRT 0020
loeng 1
11.sept. 2006
Avo Ots
telekommunikatsiooni õppetool,
TTÜ raadio- ja sidetehnika inst.
[email protected]
1
Võrgutehnoloogiad
Võrgutehnoloogia:
• kanalitehnoloogia
• võrgusõlme tehnoloogia
TEENUSED
RIISTVARA & TARKVARA
2
Teenused võrgu kaudu
3
Lüüs/marsruuter
G
R
4
Kihid
7
6
5
4
3
2
1
Rakendus
Application
Esitlus
Presentation
WAE, HTTP,
RFC821,822
ISO 8859-15
Session
SSL, WSP
Transport
Transport
TCP RFC 793,
UDP RFC 768
Võrk
Network
Seanss
Kanal
Füüsiline (ühendus)
Data link
Physical
RFC 791 IP,
RFC 792 ICMP
IEEE 802.11a
Cat5, RS-232D
5
Application APP
UNI
UNI
Layer
APP
Service
Network
Service
Switching
Layer
Network
Transmission
Layer
NNI
NNI
Switching
Network
Transmission Network
NNI
Switching
Network
Transmission Network
CPE
CPE
NNI
Physical
Physical Network
Physical Network
NNI
Physical Network
Layer
Physical
Interface
Logical
Interface
Service
Access
Point
6
Service
Independent
Block
Components
Service
Independent
Block
Service
Service
Service
Independent
Block
Service
Independent
Block
Service Logic
Service
Independent
Block
Service Logic
Control
Service
Switching
Service
Access
Service Switch
Service Switch
Service Switch
Service Switch
Service
Service
Service
Service
Service
Access
Access
Access
Access
Access
Session Control
(Circuit
Switching control)
Call/
Call/
Call/
Call/
Call/
Call/
Call/
Session
Session
Session
Session
Session
Session
Session
7
Client
Application
Server
Server
APP
Layer
ISP
ISP
ISP
Applications
Applications
Applications
Packet
IP
Switching Network
Layer
CPE
Layer
Server
IP
Network
Transmission
Server
Physical
Interface
IP
Switching Network
NNI Transmission
Transmission
Network
Packet
APP
Network
Logical
Interface
CPE
NNI Transmission
Network
Service
Access
Point
8
Off-line customer management
Extended call control and IN charging
Terminal
Terminal
Telecom basic service/call control
Access Service
Transmission
Access Service
Linear Service Architecture in Legacy Network: Static Services
A User Service
Management
A Home Service
B Home Service
B User Service
Management
Control Service
A
Terminal
A
Portal
B
Portal
Session Service
Access
Transmission
B
Terminal
Access
Two-Dimension Service Architecture in NGN: Active Services
9
10
Link
• http://www.mmwave.com/pdf/Alvarion.pdf
11
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