Isn't that very often the case though? Think iPod/iPhone. Apple was a nobody in those spaces when those devices were released.
Take, for example, current upstarts competing with Cisco in networking gear. Not much media exposure but a quite revolution.
In the history of business, its almost always the upstart that upends business.
Examples include Amazon, Apple, Google, Microsoft.
Basically Cisco is facing competition from startups implementing hardware in COTS components and innovating in features through software.
Isn't that very often the case though? Think iPod/iPhone. Apple was a nobody in those spaces when those devices were released.