RE:RE:RE:RE:Bitcoin--As Much Electricity as Italy The reason DCI power usage is so critical to Blockchain is because Blockchain will require Sine and Leaf architecture, which in turn requires Many more cables between servers.
The largest operational expense for an ICP is power, so power efficiency is typically the most critical DCI attribute following cost. Programmability is another critical attribute for the top ICPs as they have painstakingly optimized and automated their abilities to manage their infrastructures and grow capacity through internally developed operations systems. Any new platforms entering their environments must be able to quickly (read: weeks, not years) and easily (read: a few developers, not a 100-person team) be integrated into their systems.
Fiber capacity and density are important to ICPs, as they drive space and dark fiber costs, but are not as critical as power efficiency and programmability. Services support is the least critical factor for ICP optical transport DCI platforms. All DCI client-side interfaces have migrated or are migrating to 100 Gigabit Ethernet. There are no additional services required at the transport layer, and all packet protocols and traffic management are handled at the application layers within the data centers.
https://www.lightwaveonline.com/articles/2016/07/segmenting-the-data-center-interconnect-market.html