A good read for a slow day.
Data Center Calls for 800GE Spec
Plenty of room for denser comms chips
"Beyond the 800G generation, Web giants may need to move to optics on the board, an initiative Microsoft’s Azure cloud group has been championing
since early 2015. The Consortium for On-Board Optics aims to give and update on its progress at the
Optical Fibers Conference in March where vendors wil stage a demo of 400G systems. On-board optics maybe required as early as 2021, said Bechtolsheim."
http://www.eetimes.com/document.asp?doc_id=1331332&page_number=1