When the concept of a network without wires was first suggested more than two
decades ago, it sparked the imagination of scientists, product vendors, and users
around the globe eager for the convenience and flexibility of a free roaming connection.
Unfortunately, as the variety of wireless solutions began to emerge, anticipation
turned to disappointment.The first wave of solutions proved inadequate
for the networking, portability, and security needs of a changing IT environment.
While this has largely continued to be the case throughout the 1990s with
most cell-based and office local area network (LAN)-based wireless technology
deployments, great strides have been made specifically over the last two years to