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Method and equipment for dynamically switching forwarding modes of data packets

A technology for data packets and synchronous data packets, which is applied in the field of computer communication and can solve the problems of wasting and superfluous processing of computing resources.

Active Publication Date: 2014-08-06
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, under the existing defense methods of Full NAT and SYN Proxy, once configured, it will take effect for all access data flows, and the inbound and outbound traffic that needs to be accessed must pass through LVS
In this way, when there is no synchronous flood attack, part of the computing resources of LVS are wasted on redundant processing of normal access requests

Method used

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  • Method and equipment for dynamically switching forwarding modes of data packets
  • Method and equipment for dynamically switching forwarding modes of data packets
  • Method and equipment for dynamically switching forwarding modes of data packets

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Embodiment Construction

[0028]The main idea of ​​this application is that the attack defense is not carried out by default, but the one-way forwarding method with high forwarding efficiency is used for traffic forwarding. At the same time, a certain mechanism is used to monitor the occurrence of the attack, and the defense is executed once the attack is detected. Operate and cooperate with switching to bidirectional forwarding mode for data packet forwarding. In the attack defense state, when it is detected that the attack has stopped, it will return to the one-way forwarding mode for data packet forwarding. That is, an attack monitoring mechanism is introduced in the virtual server, so that when there is an attack, the defensive operation is performed and the data packet is forwarded in a two-way forwarding mode, and the data packet is forwarded in a one-way forwarding mode when there is no attack or after the attack stops, so that Realize dynamic switching of data packet forwarding methods to maxim...

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Abstract

The invention relates to a method and equipment for dynamically switching forwarding modes of data packets. The method includes forwarding a received data packet aiming at an address of a virtual service on a virtual server according to a one-way forwarding mode; judging whether the address of the virtual service is under a synchronous flood attack or not; if yes, executing an defensive operation used for defending the synchronous flood attack on the virtual server, and forwarding the received data packet aiming at the address of the virtual server according to a two-way forwarding mode; judging whether the synchronous flood attack stops or not; if yes, stopping executing the defensive operation on the virtual server, and restoring to forward the received data packet aiming at the address of the virtual server according to the one-way forwarding mode. By the method and the equipment, resources of the virtual server can be utilized furthest under the premise that intelligent monitoring and defensing of the synchronous floor attack are realized.

Description

technical field [0001] The present application relates to the field of computer communication, in particular to a virtual server-based load balancing technology, and more particularly to a method and device for dynamically switching forwarding modes of data packets. Background technique [0002] Although the content herein is set forth under the heading of background art, it also contains the discoveries and ideas of the inventors, so it should not be regarded as the prior art. [0003] With the rapid development of the Internet, the number of user visits and data traffic has increased rapidly, and the processing power and computing intensity of computer networks have also increased accordingly, making it impossible for a single server device to bear it. Under such circumstances, if the existing equipment is discarded and a large number of hardware upgrades are made, it will cause a waste of existing resources, and if faced with the next increase in business volume, this wil...

Claims

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Application Information

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IPC IPC(8): H04L12/803H04L29/06
Inventor 王倩唐猛陈波程文平
Owner ALIBABA GRP HLDG LTD