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Port mapper

Port mapper

(also Port mapping service)

Port mapper definition

A port mapper acts as a coordinator on a network. It allows computers to locate and connect to different services efficiently. This tool keeps a record of their corresponding internet connections. That’s especially useful in dynamic environments where services shift between different ports.

Also, a port mapper is often associated with technologies like Remote Procedure Call (RPC). It plays an important role in dynamically mapping the services to specific ports.

See also: Port triggering, Port scanning

Use cases of port mapper

  • A port mapper efficiently directs client requests to the correct server services in distributed computing environments. It ensures smooth interaction between different machines and services.
  • Port mappers are vital in managing network resources in cloud-based applications, where they dynamically assign ports to various services. This facilitates flexible and scalable service deployment.
  • The port mapper is key in allowing clients to discover service endpoints for remote procedure call protocols. It streamlines the process of remote communication and data exchange.
  • In a microservices architecture, a port mapper simplifies service discovery and automatically directs requests to the appropriate microservice.
  • Port mappers enhance network security by managing port assignments for firewalls and VPNs. They ensure that only authorized traffic can access critical services and ports.

Further reading

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