Hi Igor R and Marat Abrarov and people on this list, I am sorry for giving you a feeling of being abused by my question. Maybe I did abuse in a certain point of view. And I know what RTFM is.. TT I have no experience of using or studying boost. I have many interest about boost especially about asio. Yes I didn't read many manuals. I wanted to ask questions promptly. I am sorry.... really. And thank you for providing me good urls. Sincerely Journeyer J. Joh ---------------------------------------- Journeyer J. Joh o o s a p r o g r a m m e r a t g m a i l d o t c o m ---------------------------------------- 2013/4/14 Marat Abrarov <abrarov@mail.ru>

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I think this implementation looks similar to ACE. The proactor implementation varies depends on platforms. ACE uses native asynch IO features for Windows, Solaris but not for LINUX. I wanted to know if boost.asio implements asynch IO for LINUX not like ACE.

RTFM?

http://www.boost.org/doc/libs/1_53_0/doc/html/boost_asio/overview/implementa tion.html

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Then does proactor of boost.asio on LINUX work well? If it is portable I guess it should though.

Do people use proactor of boost.asio on LINUX?

http://think-async.com/Asio/WhoIsUsingAsio

As far as I know, the best performance at Linux can be achieved using "io_service-per-CPU design":

http://www.boost.org/doc/libs/1_53_0/doc/html/boost_asio/examples.html#boost _asio.examples.http_server_2

Regards, Marat Abrarov.

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