"When Cisco and Juniper first said they were opening their
router OSs, I thought that they'd be about as open as the iPhone.
With Cisco's launch of IOS XE, I realize I was wrong: The iPhone is
much more open.
"The update to IOS runs on the ASR-1000, Cisco's new edge router
aimed at both enterprises and carriers. Aside from the usual
improvements in bandwidth and power consumption, its main selling
point is that it can acts as a platform for more than just routing,
hosting multiple network services like a firewall, a session border
controller and deep packet inspection..."