Robert Metcalfe is one of those guys whose views are so respected that his speech at Sensors Expo filled a large hall at Sensors Expo. He didn't disappoint, bringing a lot of insight to the ZigBee market that has been poised for takeoff for the last year or so.
When Metcalfe predicts that the wireless technology will see shipments in the billions for decades, you get the feeling that's not something he said just because he's involved with Ember.
ZigBee shipments will vie with those of similar wireless technologies, but the Ethernet/3Com pioneer feels that the standard will eventually win out over its ZigBee-like competitors. Protocol stacks will be a big factor in the success of wireless controls, he explained.