Time synchronization
-why is it necessary?
-why is it hard in WSN?
-standard algorithms
-external versus internal synchronization
-a priori versus post-facto synchronization
-metrics for evaluating time sync algorithms
-parameters affecting time sync algorithms
-sources of packet delay
-TPSN - how it works and factors impacting performance

Routing
-two flavors of Internet routing protocols
-key elements of on-demand protocols
-flooding and gossiping (advantages and disadvantages)
-AODV - how it works and factors impacting performance

Data-centric Routing
-comparison with AODV or other routing algorithms
-why is it necessary for sensor networks?
-implosion
-directed diffusion - how it works and factors impacting performance
-SPIN - how it works and factors impacting performance
-deciding when to use AODV, directed diffusion, SPIN

Reliability
-why doesn't TCP work for WSN?
-goals of the transport layer
-RCRT - functions supported, how it works
-Flush - rate control and pipelining

CenceMe
-challenges using mobile phones for sensor applications
-general architecture
-performance analysis