21 Personal Area Networking
The first version of the Bluetooth specification relied upon OBEX for file transfer. OBEX is a small, simple lightweight protocol which suits mobile devices well. However, as technology moves, handheld devices such as smart phones are emerging which incorporate Web browsers with complete IP stacks. The availability of compact IP stacks has opened the door for Bluetooth to adopt the protocol suite which drives the Internet, and it is the Personal Area Networking (PAN) profile which lays out the ground rules for doing this.
This chapter begins with the PAN profile itself, then moves on to cover Bluetooth Network Encapsulation Protocol which allows ethernet packets to be carried across Blue-tooth links. These two additions ...
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