IDC (internet data center) network export flow balancing and adjusting method, equipment and system based on SDN (software-defined networking)

A technology of traffic adjustment and export traffic, which is applied in the field of communication, and can solve the problems of unable to balance and adjust the export traffic of the IDC network, poor accuracy and real-time performance, etc.

Active Publication Date: 2015-07-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides an SDN-based IDC network egress traffic balance adjustment method, device, and system to solve the technical problem that the existing traffic adjustment technology has poor accuracy and real-time performance and cannot balance the IDC network egress traffic.

Method used

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  • IDC (internet data center) network export flow balancing and adjusting method, equipment and system based on SDN (software-defined networking)
  • IDC (internet data center) network export flow balancing and adjusting method, equipment and system based on SDN (software-defined networking)
  • IDC (internet data center) network export flow balancing and adjusting method, equipment and system based on SDN (software-defined networking)

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Embodiment 1

[0060] Please refer to image 3 , the embodiment of the present invention provides an SDN-based IDC network egress traffic balance adjustment method, the method is used to adjust the egress traffic from the IDC network to the public network, the IDC network such as figure 2 As shown, it includes: a data center edge network element DPE, a traffic analysis device and an SDN controller connected to the DPE, and a policy control device connected to the traffic analysis device and the SDN controller; the DPE is connected to the public network Multiple public network edge network element CPEs are connected through multiple egress links. The embodiment of the present invention can be used to balance and adjust the egress traffic of the IDC network according to the granularity of the AS. The method may include:

[0061] 301. The policy management and control device sends grouping information of a plurality of preset AS (autonomous domain) groups to the SDN controller, and the groupin...

Embodiment 2

[0095] Please refer to Figure 5 , the embodiment of the present invention also provides another SDN-based IDC network egress traffic balance adjustment method, the method is used to adjust the egress traffic from the IDC network to the public network, the IDC network such as figure 2 As shown, it includes: DPE, a traffic analysis device and an SDN controller connected to the DPE, and a policy control device connected to the traffic analysis device and the SDN controller; the DPE communicates with multiple CPEs in the public network Multiple egress link connections. The embodiment of the present invention can be used to adjust the traffic of the egress bandwidth of the SDN-based IDC network according to the granularity smaller than that of the AS, that is, according to the granularity of the IP (Internet Protocol, Internet Protocol) network segment. The method may include:

[0096] 501. The policy control device sends VIP information to the traffic analysis device, and rece...

Embodiment 3

[0128] In some embodiments of the present invention, an SDN-based IDC network egress traffic balance adjustment method is also provided, the method is used to adjust the egress traffic from the IDC network to the public network, and the IDC network is as follows figure 2 IDC network shown.

[0129] The method may include: steps 301 to 305 in the first embodiment; and steps 501 to 504 in the second embodiment. Wherein, steps 301 to 305 can be performed first, and then steps 501 to 504 can be performed; or in reverse, steps 501 to 504 can be performed first, and then steps 301 to 305 can be performed; or in other order.

[0130] For more details, please refer to the content recorded in Embodiment 1 and Embodiment 2.

[0131] In the embodiment of the present invention, first, the network traffic is quickly and roughly adjusted, that is, adjusted according to the AS granularity, and the adjustment accuracy reaches about 5%; then, the network traffic is precisely fine-tuned, that i...

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Abstract

The invention discloses an IDC (internet data center) network export flow balancing and adjusting method, equipment and system based on SDN (software-defined networking) with an aim to solve the technical problem of absence of balancing and adjusting of IDC network export flow in the prior art. In some feasible embodiments of the invention, the IDC network export flow balancing and adjusting method includes transmitting information of at least one AS (autonomous system) packet to an SDN controller by a strategy control device, generating AS filter strategies with the packet information by the SDN controller and issuing to the DPE so as to obtain AS flow information calculated according to the AS filter strategies, and generating flow adjusting strategies according to the AS flow information, wherein the flow adjusting strategies are used for instructing the target AS packets to adjust flow to a target export link; transmitting the flow adjusting strategies to the SDN controller, wherein the flow adjusting strategies are used for controlling the DPE to adjust export flow by the SDN controller.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to an SDN-based IDC network egress flow balance adjustment method, device and system. Background technique [0002] In the era of cloud computing, a data center (Data Center, DC) network faces many challenges. In a traditional IDC (Internet Data Center, Internet Data Center) network, the network and business are separated. Due to the separation of networks and services, the traditional IDC network is manually configured by the administrator through the command line or the network management system. It is a static network itself. Therefore, service deployment is very inefficient and dynamic adjustment cannot be realized. Moreover, due to the separation of network and business, traditional IDC network customization capabilities are weak and the adjustment period is long. It often takes several years of feature and architecture adjustments and the introduction of new equipment ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/803H04L12/813H04L47/20
CPCH04L43/04H04L67/1097H04L67/34H04L43/062H04L43/0876H04L41/0895H04L43/20H04L41/0894H04L41/0893H04L41/142H04L41/20H04L47/20
Inventor 王一宁潘耀武吴国权
Owner HUAWEI TECH CO LTD
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