There are many (many) CPAN modules that fits your project description, below are a few I would pick to implement the simple client/server:
DatabaseDBI + DBD::mysql, DBD::Sybase, etc.
SOAPSOAP::Lite, SOAP, etc.
XMLXML::Simple, XML::Parser, etc.


In reply to Re: Database Connection Pools with Perl by Roger
in thread Database Connection Pools with Perl by Tanalis

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