There is a pattern here
1. It's well known that Microsoft are seeing their market share eroded due to a) Mobiles/tablets and b) cloud solutions.
2. Similarly/Consequently, SMEs are increasingly allowing their 'stuff' to be looked after in the cloud, so that they no longer control the technology strategy that was previously spoon fed to them by MSFT/Cisco.
3. Cloud people are technology experts that understand networks in just the same way that Mobile/Tablet/Server OS technology experts understand hardware & computer platforms (and in the same way that SME people often/generally don't), and are most definitely choosing their own technical strategies rather than having it spoon fed to them.
4. Even outside of big Cloud/Datacentre operations such as Amazon, the volume of data is now so high that technology experts are also forming enterprise strategies.
ergo, Cisco Lock In is lost in that same way as Microsoft's