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US 2013/0294231 A1Published application
Method of high-speed switching for network virtualization and high-speed virtual switch architecture
AssigneeElectronics and Telecommunications Research Institute
InventorsKodirov NODIR, Doyeon KIM, Tae Ho LEE, Jae Gi LEE, SangSik YOON, Taesang CHOI
Life of this patent
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Abstract
A virtual switch for providing a network virtualization service and a high-speed switching method of an input packet are provided. A packet is efficiently transmitted at a high speed using information of the input packet between a physical interface and a logical interface or between logical interfaces.
Claims12
A method of switching a packet in a network virtualization switch, the method comprising:
- receiving the packet;
- classifying the packet into a packet to transfer to a logical interface and a packet to transfer to a physical interface;
- when the packet is a packet to transfer to the logical interface,
- mapping the packet to one logical interface of a plurality of logical interfaces using a logical interface mapping table;
- changing a media access control (MAC) address of the packet to an address of the mapped logical interface;
- transferring the packet to a virtual forwarding element (VFE) corresponding to the mapped logical interface;
- mapping the packet that is transferred to the VFE to the physical interface using a physical interface mapping table;
- and
- converting the logical interface address of the packet to a MAC address and transmitting the packet to the mapped physical interface.
6 more elements
A network virtualization switch, comprising:
- a physical interface unit that transmits and receives a packet to and from an outer node and that comprises a plurality of physical interfaces;
- a plurality of virtual forwarding elements (VFEs) that each have a logical interface;
- an input packet processor that classifies a packet that the physical interface unit receives into a packet to transfer to the logical interface and a packet to transfer to the physical interface unit;
- a physical packet switching (PPS) unit that maps a packet to be transferred to the logical interface unit to one logical interface of a plurality of logical interfaces using a logical interface mapping table and that converts a media access control (MAC) address of the packet to the mapped logical interface address;
- a logical output processor that transfers the packet to a VFE corresponding to the mapped logical interface;
- a logical packet switching (LPS) unit that maps the packet that is transferred from the VFE to a physical interface using a physical interface mapping table and that converts a logical interface address of the packet to a MAC address;
- and
- a physical output processor that transmits the packet to the mapped physical interface.
5 more elements
Dependencies are inferred from the claim text.