16
V. Liberatore
Pervasive Computing
Pervasive Computing Stack
Network
stack
nLayers of network software
nMiddleware and
above
User
space
nTransport and
below
Operating
Systems
Design
choice
nChoose protocol at each
layer
nModular design
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)