Approaches of interprocess communication

[Daniel Nogradi]

> Supposing you have two separate processes running on the same box,
> what approach would you suggest to communicate between those two
> processes.
>
> Let me list the ones I know of:
>
> * Sockets
>    Advantage: Supported per se in nearly every programming language
> without even the need to install additional packages
>    Disadvantage: Lot's of code to write, and it's kind of silly to
> communicate via TCP/IP if the processes run on the same machine.
>
> * Webservices
>    Advantage: Relatively easy to use, can work across different
> languages
>    Disadvantage: Even more overhead on the TCP/IP side that simple
> sockets, as really bulky SOAP messages need to be passed around.
>
> * CORBA -- similar to webservices but more complicated to code.
>
> * Shared memory
>   I don't know much about this subject.
>
> Supposing both processes are written in Python, is there any other way
> to achieve this? To me, shared memory sound the most suited approach.
> But as said, I am still fuzzy in this area. Where can I find more
> information on this subject?

Hi, if your requirements are sufficiently light then pylinda might be
an easy-to-use solution:

http://www-users.cs.york.ac.uk/~aw/pylinda/

A simple example is here:

http://www-users.cs.york.ac.uk/~aw/pylinda/beginner.html

HTH,
Daniel