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Operating distributed computing systems at scale brings a variety of challenges. Minor issues like having the wrong version of a small software library can take a whole application offline. To create a smooth transition from development to operations with regard to dependencies, environment, and testing OpenDNS has adopted open-source Docker containerization technology. Interfacing Docker containers with existing dedicated infrastructure across 23 data centers provided a unique set of routing challenges which we solved with clever application of Generic Routing Encapsulation and Border Gateway Protocol. - See more at: http://engineering.opendns.com/2014/07/01/ip-routing-aws-docker/#sthash.4SZbQgq7.dpuf
