using TCP

  • TCP (Transmission Control Protocol) is a standard that defines how to establish and maintain a network conversation via which application programs can exchange data.

In Java

  • need and
  • create Server and Client Models

Using UDP

  • UDP (User Datagram Protocol) is an alternative communications protocol to Transmission Control Protocol (TCP) used primarily for establishing low-latency and loss-tolerating connections between applications on the internet.

In Java

  • need*
  • using DatagramPacket and DatagramSocket


  • Remote Procedure Call,a pro
    • computer program causes a procedure (subroutine) to execute in a different address space (commonly on another computer on a shared network), which is coded as if it were a normal (local) procedure call, without the programmer explicitly coding the details for the remote interaction.
    • Procedure:Client
    • Callee procedure:Server
    • Function or Method:Service
  • call remote function (Method) Behavior like local call
  • rpc
  • How to call function using function name?


  • need a thread of this method to wait for response from client(service)
  • need the class implement
  • need a interface to register this service


  • need the interface of class needed
  • need a new Proxy Instance to proxy this method for client


Serialization is the process of converting an object into a stream of bytes to store the object or transmit it to memory, a database, or a file.


  • IDL(Interface description language)文件
    • 参与通讯的各方需要对通讯的内容需要做相关的约定
  • IDL Compiler
    • 将IDL文件转换成各语言对应的动态库
  • Stub/Skeleton Lib
    • 负责序列化和反序列化的工作代码
  • Client/Server
    • 指的是应用层程序代码
  • 底层协议栈和互联网


  • XML
  • JSON
  • Protobuf
  • Thrift
  • Avro


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