Recent advances in distributed computing with a large amount of processing elements make it important how to use unused network 
resources ,such as processor and memory,
 efficiently.
Efficient process execution with these resouses
requires gathering  precise information of resource status.
However,querying state to each resources one by one
requires  unreasonable cost, or cannot gather precise information.
Therefore,it is one of th most important keys 
to efficient distributed parallel execution
to gather precise infomation with reasonable cost.

In this study,
it is proposed and discussed
a system  to support gathering of
network resource information and parallel execution of program
,and it is implimented
 on existing general-purpose operating systems.
A server of this system gathers various resource infomation 
automaticaly with optimized algorithm and holds them, 
so that it presents practical network infomation with reasonable cost.
For general use,
a user can gather both automaticaly gathered information
 and user-demanded infomation.