Sufi,
You need to check out the information for the Unix Ping utility works. You
probably want to have a thread to periodically open up sockets to the
machines and using the protocol, determine if the machine is alive. The
JSP page in this case would just be a view into the information that the
thread gathers.
-Richard
(ping (ping) noun
1. Acronym for Packet Internet Groper. A protocol for testing whether a
particular computer is connected to the Internet by sending a packet to its
IP address and waiting for a response. The name actually comes from
submarine active [internal link] sonar, where a sound signal- called a
"ping"- is broadcast, and surrounding objects are revealed by their
reflections of the sound.)
At 07:17 PM 9/5/01 +0000, you wrote:
>Is it possible to know from the IP address if host is alive or not,I have
>all the IP addrsses in my company, and I am trying to have a status that
>says :
>Host is alive OR No answer OR Cheking OR Unknown host
>
>What utility in JSP can help me do it ?
>
>thanks lot
>
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