26
V. Liberatore
Pervasive Computing
QoS
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, Infinet,
etc.)
Network
(convergence layer: IP)
•Applications
and
middleware
•Network awareness
•Remediate
network
vagaries
•Network layer
•Map to data link QoS
•QoS in multi-hop networks
•Data link
•Single hop QoS
•E.g., priorities
