| 摘要 |
There is provided with a communication apparatus connected to a first network on which service providing servers are disposed, including: a service finder configured to find a service providing server on the first network; and a transmitter configured to transmit an information packet including a header part and a data part to a packet relay apparatus which connects the first network to a second network, wherein the header part contains an address of the found service providing server and a port number at which the found service providing server waits, as a source address and a source port number and an address of an information processing server disposed on the second network and a port number at which the information processing server waits, as a destination address and a destination port number, and the data part contains service identification information which identifies a service provided by the found service providing server.
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