19
V. Liberatore
Pervasive Computing
Network Layer
Design
space
nChoose transport
nChoose data link
Convergence
nTransport independent of data link
nMix and match
nE.g., RTP/UDP over 802.11
Application
(the control
application, e.g., close-lever)
Middleware
(common to
multiple applications, e.g.,
resource discovery)
Transport
(e.g., TCP, RTP/UDP)
Data
Link
(low level communication,
e.g. Ethernet, 802.11,
CAN, etc.)
Network
(convergence layer: IP)