This is Perl module POE::Component::Client::HTTPDeferred. INSTALLATION POE::Component::Client::HTTPDeferred installation is straightforward. If your CPAN shell is set up, you should just be able to do % cpan POE::Component::Client::HTTPDeferred Download it, unpack it, then build it as per the usual: % perl Makefile.PL % make && make test Then install it: % make install DOCUMENTATION POE::Component::Client::HTTPDeferred documentation is available as in POD. So you can do: % perldoc POE::Component::Client::HTTPDeferred to read the documentation online with your favorite pager. Daisuke Murase