README
deepstream - the open realtime server 
deepstream is an open source server inspired by concepts behind financial trading technology. It allows clients and backend services to sync data, send messages and make rpcs at very high speed and scale.
deepstream has three core concepts for enabling realtime application development
- records (realtime document sync)
records are schema-less, persistent documents that can be manipulated and observed. Any change is synchronized with all connected clients and backend processes in milliseconds. Records can reference each other and be arranged in lists to allow modelling of relational data
- events (publish subscribe messaging)
events allow for high performance, many-to-many messaging. deepstream provides topic based routing from sender to subscriber, data serialisation and subscription listening.
- rpcs (request response workflows)
remote procedure calls allow for secure and highly available request response communication. deepstream handles load-balancing, failover, data-transport and message routing.
- security (Authentication and Permissions)
deepstream offers a combination of different authentication mechanisms with a powerful permission-language called Valve that allows you to specify which user can perform which action with which data.