TCP/IP - default port 27017
- http://bsonspec.org/#/specification
- http://docs.mongodb.org/meta-driver/latest/
- http://docs.mongodb.org/meta-driver/latest/legacy/mongodb-wire-protocol/
- http://docs.mongodb.org/meta-driver/latest/legacy/mongodb-driver-requirements/
TCP/IP - default port 6379
- http://redis.io/topics/protocol
- http://blog.wjin.org/posts/redis-communication-protocol.html
- http://www.redisgreen.net/blog/reading-and-writing-redis-protocol/
TCP/IP - default port 7000
- http://wiki.apache.org/cassandra/FAQ#ports
- http://stackoverflow.com/questions/2359159/cassandra-port-usage-how-are-the-ports-used
RESTful API - default port 9200 https://www.elastic.co/guide/en/elasticsearch/guide/current/_talking_to_elasticsearch.html
RESTful API - default port 5984 http://docs.couchdb.org/en/latest/intro/tour.html
TCP/IP - default port 8087 http://docs.basho.com/riak/latest/dev/references/protocol-buffers/