Thomas Kunz
Systems and Computer Engineering
407
Snoop: Architecture
Transport Layer
Network Layer
Data Link Layer
Physical Layer
Transport Layer
Network Layer
Data Link Layer
Physical Layer
Mobile Host
Fixed Host
Base Station
6
4
5
7
8
3
4
1
2
3
5
Snoop cache
Network Layer
plus Snoop
Physical Layer
Data Link Layer
X
X
data packet X, from FH to MH
ACK X, from MH to FH