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A load-balanced ssl VPN device cluster system and its working method

A load balancing and cluster system technology, applied in the field of data communication, can solve problems such as high cost and collective failure of multi-machine clusters, achieve high reliability, avoid collective failure, and reduce costs

Active Publication Date: 2017-09-15
中电科网络安全科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Firstly, the cost of this method is high, and secondly, the load balancing device itself may become a single point of failure, resulting in the collective failure of the multi-machine cluster

Method used

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  • A load-balanced ssl VPN device cluster system and its working method
  • A load-balanced ssl VPN device cluster system and its working method
  • A load-balanced ssl VPN device cluster system and its working method

Examples

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Embodiment Construction

[0028] The technical problem to be solved by the present invention is: no special load balancing equipment is needed, but a cluster composed of multiple SSL VPNs can complete the functions of load balancing, redundant backup, and external virtualization as one device.

[0029] The system of the present invention includes one SSL VPN device as a master control node and several SSL VPN devices as working nodes. All SSL VPN devices run with an intra-group synchronization module, and the master control node SSL VPN device runs with four processing modules: a load management module, an address responder, and a data shunt.

[0030] Master control node.

[0031] The master control node is the one with the strongest network connection processing capability among all SSL VPN devices. It is used for establishing external connections and internal load balancing for the entire SSLVPN cluster. It is responsible for establishing and maintaining SSL secure connections for different data stre...

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Abstract

The present invention provides a load-balanced SSL VPN device cluster system and its working method. The system includes one SSL VPN device as a master control node and several SSL VPN devices as working nodes; all SSL VPN devices are provided with Intra-group synchronization module, load management module, address responder, and data shunt are also set in the master control node SSL VPN device; the cluster provides a globally configured virtual IP address uniformly, and uses the IP address as a virtual The DNS resolution address of a single SSL VPN device; the entire SSL VPN device cluster is connected to network nodes and servers. The invention realizes the unique and effective load balancing and redundant backup of the working IP address of the SSL VPN cluster composed of different SSL VPN devices, reduces the cost and has high reliability.

Description

technical field [0001] The invention belongs to the field of data communication, and relates to a load-balanced SSL VPN device cluster system and a working method thereof. Background technique [0002] SSL VPN: A technology that uses the SSL-Security Socket Layer (Secure Socket Layer) protocol and the TLS-TransportLayer Security (Transport Layer Security) protocol to establish a private network on a public network to provide security and data integrity protection for network communications. A technology that encrypts and protects network connections. SSL VPN is widely used for identity authentication and encrypted data transmission between web browsers and servers. [0003] The typical application mode of SSL VPN is to serve as a secure access server at the central end, providing identity authentication and secure access services for thousands of browser users while protecting the central end Web server. Therefore, SSL VPN devices have very high requirements for processing...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08H04L29/06
Inventor 罗俊
Owner 中电科网络安全科技股份有限公司
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