Architecture

Modules

• The Framing Module handles incoming requests from TCP connections and identifies individual messages from a constant stream of TCP stream data.
• The Replication Module
• The Parsing Module
• The Logging Module

Dependencies

• Framing can be used with the Parsing independent of Replication and Logging to deal with client connections in the case of systems that have their own replication.
• Replication just deals in terms of replicating writing messages
• Parsing
• Logging depends on the Replication Module

Message Flow

Message from a client

1. A message is sent from a client via TCP to Framing where it is read off the wire and identified as a valid message.
2. The message gets passed to Replication and consistently written into multiple servers.
3. Parsing parses the message, calling callbacks into application code.

Message to a client