WTP: Wireless Transaction Protocol
n Goals
different transaction services, offloads applications
n application can select reliability, efficiency
support of different communication scenarios
n class 0: unreliable message transfer
n class 1: reliable message transfer without result message
n class 2: reliable message transfer with exactly one reliable result
message
supports peer-to-peer, client/server and multicast applications
low memory requirements, suited to simple devices (< 10kbyte )
efficient for wireless transmission
n segmentation/reassembly
n selective retransmission
n header compression
n optimized connection setup (setup with data transfer)