IP based network architecture

193.175.26.92

 

 

 

131.34.3.35

 

 

 

 

 

 

 

 

 

 

 

www

 

 

 

 

 

www

 

 

http

 

 

 

 

 

 

http

 

N-DATA.request

N-DATA

N-DATA

N-DATA

N-

DATA.indication

 

tcp

 

 

 

tcp

 

 

 

 

 

 

 

 

 

ip

ip

ip

ip

ip

 

 

 

ip

ip

ip

link

link

link

link

link

 

 

link

link

link

phy

phy

phy

phy

phy

 

 

phy

phy

phy

ip =

connectionless,

 

1

 

2

 

3

4

 

Version Length Type of Service

 

Total Length

TOS (pre-diffserv)

 

non-reliable,

 

Identification

)/$*6

Fragment offset

D T R 0 0

 

Time-to-live

Protocol

 

Header checksum

 

 

end-to-end,

 

 

Source IP Address (32bit)

 

D: Delay

 

 

 

Destination IP Address (32 bit)

 

 

packet-oriented

 

 

 

Options (if any)

 

T: Throughput

 

 

 

 

 

R: Reliability

 

 

 

 

Data

 

 

 

 

data delivery service

 

 

 

 

 

 

“1”= precedent

 

 

 

 

 

 

 

 

WLAN-IEEE802.11 Tutorial (Maximilian Riegel), 021018-wlan-tutorial.ppt

Page 9

© Siemens, 2002

 

 

 

Page 9
Image 9
Siemens IEEE802.11 manual IP based network architecture, $*6