Network system with seamless handover mechanism, operation method and control apparatus thereof

• Main Authors: TSENG, CHIENAO, HSIEH, TING-HSUAN, CHUO, CHIA-LIN
• Format: Patent
• Language: Chinese; English
• Published: 01.07.2018
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION; WIRELESS COMMUNICATIONS NETWORKS

A network system based on software define network (SDN) with seamless handover mechanism, an operation method and a control apparatus thereof are provided. The network system includes a plurality of network apparatuses, a plurality of host apparatuses and a control apparatus. The network apparatuses are connected together, part of the network apparatuses are equipped with wireless access networks of the same Service Set Identifier (SSID), and each of the host apparatus is respectively connected to one of the network apparatuses. The control apparatus is connected to the network apparatuses. When a first host apparatus of the host apparatus is changed to connect a second network apparatus from a first network apparatus, in response to an address resolution request packet transmitted from the first host apparatus, the control apparatus controls the network apparatuses to return an address resolution response packet to the first host apparatus, so as to maintain an Internet Protocol (IP) address of the first hos