'maintained thru the server', if you mean does perl have an application server that has standard built in session managment then the answer is no.
But As castaway points out all the building blocks are there on cpan and can be integrated into a mod_perl so u get exactly what u need.

This ties up nicely with a question i've been meaning to ask.

Does anyone know of anything perlish that is planned to meet the liberty alliance spec?

http://www.projectliberty.org/

In reply to Re^2: Sessions and cookies by hakkr
in thread Sessions and cookies by perl_devel

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