The webscale businesses have, in recent years, become increasingly engaged in developing their own hardware – first their own Intel-based server designs to drive down their costs, as in Facebook’s Open Compute Project; then starting to experiment with their own processors to underpin those servers. The threat of some of these processors being ARM-based rather than x86-based has hung over Intel, which dominates the data center chip space, but which is heavily reliant on the cloud giants to keep that business growing. Google was said to have been in trials with Qualcomm for a customized ARM-based server processor – though the apparent relegation of that project to Qualcomm’s back burner suggests Google did not decide to proceed. Now, Amazon AWS…