FIELD: information technology.
SUBSTANCE: present invention relates to a network system and, in particular, to method of obtaining VLAN tag data in OpenFlow network. This is achieved due to that switches are configured to communicate via a network to a controller configured virtually process multiple VLAN by comparing VLAN internal tag data, preset for each of packets passing through network, and descriptive data flows, indicating information recording flow corresponding to packet, moving in said network.
EFFECT: high flexibility of control by providing a method of obtaining VLAN tag data in OpenFlow network.
10 cl, 3 dwg
