Patent ID: 7877467

Claim:
A network equipment system in which a plurality of network devices connected to a telecommunications line perform a predetermined action in concert with each other, a whole system being configured by a combination of functions, and said network equipment system being configured so that each network device performs a function assigned to itself whereby the system performs the predetermined action as a whole, each network device comprising: a function memory part; said function memory part storing the functions which need to be executed by its own network device, a variable memory exchanger; said variable memory exchanger being connected to each network device through the telecommunications line, and storing a variable necessary for execution of the functions stored in said function memory part of each network device, and sharing said variable among the network devices, an execution function selector; said execution function selector referring said variable stored in said variable memory exchanger and selecting an executable function out of said functions stored in said function memory part of its own network device, a function execution part; said function execution part executing the function selected by said execution function selector with the variable stored in said variable memory exchanger and updating the variable stored in said variable memory exchanger by a variable obtained by the execution of the function.