Building Express Backbone: Facebook’s new long-haul network - Facebook Engineering
Facebook has multiple data centers in the U.S and Europe. For the past ten years, they were connected by a single wide-area (WAN) backbone network known as the classic backbone or CBB. This network carried both user (egress) traffic and internal server-to-server traffic. In recent years, bandwidth demand for cross-data center replication of rich content [...]Read More...
1 May 2017 ... Facebook has multiple data centers in the U.S and Europe. For the past ten years , they were connected by a single wide-area (WAN) backbone ...