Protocol Terminology

  Any binary protocol requires the following things:

• Version: This indicates the API version.

• Correlation Id: This should be different per request sent. It allows correlation of request and response.

• Object Type: The type of a serialized object.

• Response Type: It indicates whether a response is partial or complete.

• ErrorCodes: It indicates the problem with API invocation.

• Chunk Response: Send large response in multiple chunks.

• Continuous Response: Client can register(Observer pattern) for events and then server notify the client if those events occur.

• Request: It indicates client's message

• Response: It indicates server's message.

• Request Format: Format of request API and its parameters, which client wants to invoke.

• Response Format: Format for API return value, which client invoked.

• Message: Set of bytes which contain the Message Header and Request/Response.

• Serialized Byte Order: Big Endian