Flow table spatial isolation device and method for network virtualization

Abstract

The invention discloses a flow table spatial isolation device for network virtualization. The flow table spatial isolation device for the network virtualization comprises a network allocator, a network manager and an exchanger, wherein the network allocator is used for sending a user identification command to the network manager, the network manger is used for receiving the user identification command sent by the network allocator and sending the user identification command to the corresponding exchanger according to corresponding relation between user identification and a flow table segmentation strategy, the exchanger is used for receiving the user identification command sent by the network manager and adding the user identification into a matching domain field of a flow table to be served as identification of the flow table; and the user identification is added into an attribute portion of a message which is received and served as identification of the message. The invention further discloses a flow table spatial isolation method for the network virtualization. The flow table spatial isolation device and the method for network virtualization are adopted, so that the command which passes through the network manager can be directly sent to a user controller or the exchanger through the user identification.

Description

technical field [0001] The invention relates to flow table space isolation technology in network virtualization, in particular to a flow table space isolation device and method for network virtualization. Background technique [0002] At present, the Internet has become the global information infrastructure with the widest coverage and the richest information resources in the world, profoundly affecting and changing people's work, study and lifestyle. [0003] Since the original design intention of the Internet was not to support such large-scale applications, the early Internet architecture and protocols mainly solved the problem of interconnection among heterogeneous networks. With the popularization of the Internet, business requirements for the network, and the development of science and technology, various network protocols have been proposed, from the basic Open Shortest Path First (Open Shortest Path First, OSPF) protocol, Border Gateway Protocol (Border Gateway Prot...

AI Technical Summary

Problems solved by technology

There are advantages and disadvantages to adopting a new way to design the architecture. The biggest disadvantage is that it cannot be verified on a large scale and cannot support the smooth evolution of the existing network architecture.

[0006] Network virtualization is supported through the flow manager. Each command passing through the flow manager must be queried and rewritten according to the flow table segmentation strategy to send it to the corresponding user controller or switch. When the network scale is large and When the user controller interacts frequently with the switch, the modification based on each command will greatly reduce the operating efficiency of the flow manager

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