| Welcome |
| Home |
| OSI Layer Nr. |
OSI Layer |
IP Protocol Suite |
Layer 2 Protocols |
Network Devices |
Data peer-to-peer |
FrameRelay | WAP | VoIP | SNA |
|---|---|---|---|---|---|---|---|---|---|
| 7 | Application | Application | Gateway | Message | WAE (WML WMLScript WTA) |
Transaction Services |
|||
| 6 | Presentation | G.729, G.723, G.711 | Presentation Services |
||||||
| 5 | Session | WSP WTLS |
H.323 | Data Flow Control |
|||||
| 4 | Transport | TCP / UDP | L 4 Switch | Segment | WTP/D WTP/T WTP/C WDP |
RTP UDP |
Transmission Control |
||
| 3 | Network | IP | Router L 3 Switch |
Datagram | SMS USSD CSD IS-136 CDMA CDPD PDU-P |
H.245, Q.931 IP |
Path Control |
||
| 2 | Data Link | |
Ethernet, others |
L 2 Switch (Bridge) |
Frame | LAPF | Data Link Control |
||
| 1 | Physical | HUB (Repeater) |
Signal | T1 ISDN-D ISDN-B Modem | Physical Control |
||||
|
(c) 2011 Joachim Datko www.DATKO.de |
|||||||||