Network system, control apparatus, method for constructing a virtual network, and program

Abstract

A network system is connected to a first physical network comprising: a first data transmission node that transmits data used for a first service and a second data transmission node that transmits data used for a second service and to a second physical network including at least one apparatus for receiving data from the first and the second data transmission nodes, and constructs a virtual network for each service between the first and the second physical networks.

1 . A network system comprising:
 a first sensor operated by a first carrier;   a second sensor operated by a second carrier;   a first gateway configured to receive data from the first sensor and the second sensor; and   a data center;   wherein the data center comprising:
 a first virtual network configured to provide a first service by the first carrier; 
 a second virtual network configured to provide a second service by the second carrier; and 
 a second gateway configured to forward the received data to the first virtual network or the second virtual network, based on source of the received data. 
   
     
     
         2 . The network system according to  claim 1 ,
 wherein the second gateway configured to forward the received data to the first virtual network, when the received data is sent from the first sensor, and   wherein the second gateway configured to forward the received data to the second virtual network, when the received data is sent from the second sensor.   
     
     
         3 . The network system according to  claim 1 ,
 wherein the first gateway configured to establish tunnel between the second gateway, for each of the first service and the second service.   
     
     
         4 . The network system according to  claim 1 ,
 wherein the second gateway configured to establish tunnel between the first gateway, for each of the first service and the second service.   
     
     
         5 . The network system according to  claim 1 , further comprising a control apparatus configured to control the first virtual network, the second virtual network, the first gateway and the second gateway. 
     
     
         6 . A data center connected to a first sensor operated by a first carrier, a second sensor operated by a second carrier and a first gateway configured to receive data from the first sensor and the second sensor, the data center comprising;
 a first virtual network configured to provide a first service by the first carrier;   a second virtual network configured to provide a second service by the second carrier; and   a second gateway configured to forward the received data to the first virtual network or the second virtual network, based on source of the received data.   
     
     
         7 . The data center according to  claim 6 ,
 wherein the second gateway configured to forward the received data to the first virtual network, when the received data is sent from the first sensor, and   wherein the second gateway configured to forward the received data to the second virtual network, when the received data is sent from the second sensor.   
     
     
         8 . The data center according to  claim 6 ,
 wherein the first gateway configured to establish a tunnel to the second gateway, for each of the first service and the second service.   
     
     
         9 . The data center according to  claim 6 ,
 wherein the second gateway configured to establish a tunnel to the first gateway, for each of the first service and the second service.   
     
     
         10 . The data center according to  claim 6 , further comprising a control apparatus configured to control the first virtual network, the second virtual network, the first gateway and the second gateway. 
     
     
         11 . A communication method comprising:
 receiving data from a first sensor operated by a first carrier and/or a second sensor operated by a second carrier; and   forwarding the received data to a first virtual network or a second virtual network, based on source of the received data,   wherein the first virtual network configured to provide a first service by the first carrier, and   wherein the second virtual network configured to provide a second service by the second carrier.   
     
     
         12 . The communication method according to  claim 11 ,
 wherein the received data is forwarded to the first virtual network by a second gateway, when the received data is sent from the first sensor, and   wherein the received data is forwarded to the second virtual network by the second gateway, when the received data is sent from the second sensor.   
     
     
         13 . The communication method according to  claim 11 ,
 wherein a tunnel to the second gateway is established by a first gateway, for each of the first service and the second service.   
     
     
         14 . The communication method according to  claim 11 ,
 wherein a tunnel to the first gateway is established by the second gateway, for each of the first service and the second service.