| 摘要 |
There is described a network system, which make it possible not only to easily retrieve a desired service, but also to heighten the security level of the network system. Instead of displaying all of the apparatuses residing on the network in such a manner that these are totally perceptible for the users of them relative to each other, the network system is so constituted that the service utilizing apparatus broadcasts the delivery information including the confirming information, so that each of the service providing apparatuses can determine whether or not the first confirming information included in the delivery information agrees to the second confirming information stored in advance in the storage section, and when the service providing apparatus determines that the first confirming information agrees to the second confirming information, the service providing apparatus transmits specific information for specifying the service providing apparatus itself to the service utilizing apparatus.
|
