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Data communication method and data communication device

A technology for data communication and data communication system, applied in the field of data communication methods and devices, can solve problems such as large consumption of communication resources, and achieve the effect of solving large consumption of communication resources

Active Publication Date: 2016-09-07
BEIJING UNIV OF POSTS & TELECOMM +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention discloses a data communication method and device, which are used to solve the problem of large consumption of communication resources when virtual machines on the same network segment within a tenant communicate across servers in an SDN network

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  • Data communication method and data communication device
  • Data communication method and data communication device

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Embodiment Construction

[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0047] First of all, it needs to be explained that, figure 1 It is a schematic structural diagram of the system based on the data communication method provided by the embodiment of the present invention, specifically, figure 1 In the above, both the first software switch and the second software switch communicate with the OpenFlow controller based on the OpenFlow protocol, the first software switch and the second software switch are both connected to the bearer net...

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Abstract

The embodiment of the invention discloses a data communication method and a data communication device. When the data communication method is applied to a first software switch connected to a data transmitting terminal in a data communication system, the method comprises the steps of receiving a data packet sent by a first virtual machine, acquiring a first flow table which is sent by an OpenFlow controller and matched with the data packet, processing the data packet based on processing actions included in the first flow table, forwarding the processed data packet to a second software switch so as to enable the second software switch to process the data packet based on a second flow table which is sent by the OpenFlow controller and matched with the data packet, and forwarding the processed data packet to a second virtual machine. The data communication method solves a problem that the communication resource consumption is great when virtual machines in the same segment inside tenants carry out cross-server communication in an SDN (Software Defined Network), and communication resources can be saved compared with an existing scheme.

Description

technical field [0001] The invention relates to the field of network technology, in particular to a data communication method and device. Background technique [0002] Virtual Private Cloud (Virtual Private Cloud, VPC) is a key technology in the public cloud. It can schedule physical network resources according to the needs of tenants, so as to provide virtual private network environments for different tenants based on a set of network infrastructure, and ensure that tenants' private networks isolated from each other. [0003] At present, SDN+VxLAN is the mainstream way to realize cross-server communication between virtual machines in the same network segment within tenants. It builds an Overlay network for tenants through tunnels (Overlay is a layer-2 network framed in layer-3 / layer-4 packets. The forwarding logic of the standard VxLAN (virtual Extensible LAN, virtual extensible local area network) is optimized in combination with the global view of SDN (Software Defined N...

Claims

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Application Information

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IPC IPC(8): H04L12/741H04L12/749H04L12/931H04L29/12H04L45/74H04L45/741
CPCH04L45/74H04L49/10H04L49/3009H04L49/354H04L49/70H04L61/5007H04L2101/622Y02D30/50
Inventor 黄韬杨帆张晨刘江张娇潘恬妥艳君李吉良刘玉贞张学敏张文志
Owner BEIJING UNIV OF POSTS & TELECOMM
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