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Asked: 2026-05-10T22:55:42+00:00

I’m programming a simple network chat with a Python server and a Java client.

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I’m programming a simple network chat with a Python server and a Java client. But one question came into my mind:

Which ‘network protocol’ should I use for communication? There are some possibilities for me:

  • YAML: Nice to parse, problem: parsed objects contain language specific parts
  • XML: Easy to parse, big overhead for simple tasks
  • create an own ‘language’: Problems with escaping, but most flexible

So what is the best practice for this? Are there other alternatives?

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1 Answer

  1. Check JSON. It is compatible accross many languages (Python and Java included), and it is human readable. http://www.json.org/

    If you plan to do Web development, and plan to use Javascript, then JSON might be a good choice as it was originally designed for Javascript. Moreover compared to YAML, using JSON in Python is as easy as writing: import json (it is part of the standard library).

    You may have a look at the following page, comparing XML, JSON, and YAML. It seems they are differences in terms of encoding delay and memory used, that might guide your choice.

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