Siemens IEEE802.11 Manual de usuario Pagina 9

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WLAN-IEEE802.11 Tutorial (Maximilian Riegel), 021018-wlan-tutorial.ppt Page 9 © Siemens, 2002
link
phy
link
phy
link
phy
link
phy
link
phy
link
phy
link
phy
link
phy
tcp
http
www
tcp
http
www
IP based network architecture
ipip ipip ipip ipip
N-DATA.request
N-DATA.indication
N-DATA N-DATA N-DATA
ip = connectionless,
non-reliable,
end-to-end,
packet-oriented
data delivery service
193.175.26.92 131.34.3.35
Version Length Type of Service Total Length
Identification
Fragment offset
Time-to-live Protocol Header checksum
Source IP Address (32bit)
Destination IP Address (32 bit)
Options (if any)
1234
Data
00
RTD
D: Delay
T: Throughput
R: Reliability
“1”= precedent
TOS (pre-diffserv)
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