Internet Emulation for Java Applications through Socket Factories

  • Authors:

  • Marco Avvenuti;Alessio Vecchio

  • Affiliations:

  • -;-

  • Venue:
  • COMPSAC '02 Proceedings of the 26th International Computer Software and Applications Conference on Prolonging Software Life: Development and Redevelopment
  • Year:
  • 2002

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Abstract

Network emulation provides the capability of evaluating distributed applications on a stand-alone system: Applications can be exposed to adverse and repeatable network conditions without requiring complex testbeds. This paper describes the design and implementation of a portable and object-oriented network emulator targeted to the development and test of Java-based Internet applications. The emulator is based on instrumented sockets, say EmuSockets, able to emulate the behavior of links with a given bandwidth and communication delay. The emulator is organized modularly, so that it is possible to plug-in user-defined classes for bandwidth and delay figures generation. Carrying out experiments with EmuSockets is as simple as running the tested application code on a single host.