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Message sending method and device

A technology for message sending and equipment, applied in the field of communication, can solve problems such as increasing the burden of KS, and achieve the effect of reducing the number and reducing the burden

Active Publication Date: 2015-10-07
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if there are some or even a certain GM device in the network that does not support multicast, all of them have to use unicast to send Rekey messages (that is, send unicast Rekey messages), which will increase the burden on KS

Method used

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  • Message sending method and device
  • Message sending method and device

Examples

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Embodiment Construction

[0031] Based on the deficiencies of the existing technical solutions, the embodiment of the present invention discloses a message sending method, which is applied to the mixed networking system of GDVPN multicast and unicast mechanisms (that is, the network includes both unicast GM equipment and multicast GM equipment) equipment), such as figure 1 shown, including the following steps:

[0032] Step 101, the KS judges whether the registered GM devices include GM devices of undetermined type. In this example, the KS will determine the type of each registered GM device. For the specific process of determining the type of GM device, please refer to steps 102-104 and will not go into details here. Wherein, the type of the GM device may include: a unicast GM device and a multicast GM device. Before the KS determines the type of the GM device, the registered GM device is called a GM device whose type is to be determined.

[0033] In an example, the type of each registered GM device...

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PUM

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Abstract

The invention discloses a message sending method and device. The method comprises the following steps: a KS judges whether registered group member GM devices have a type-undetermined GM device; if the registered group member GM devices have the type-undetermined GM device, the KS sends a multicast Rekey message; if the KS fails to receive a confirmation message replied by the type-undetermined GM device for the Rekey message within a preset time, the type-undetermined GM device is determined as a unicast GM device; the KS judges whether the registered GM devices have the GM device which has been determined as the unicast GM device; and if the registered GM devices have the GM device which has been determined as the unicast GM device, the KS sends a unicast Rekey message to the GM device which has been determined as the unicast GM device.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a message sending method and device. Background technique [0002] Group Domain VPN (Group Domain Virtual Private Network, group domain virtual private network) is a point-to-multipoint non-tunnel connection, which is composed of KS (Key Server, key server) and GM (Group Member, group member) devices , KS manages different security policies and keys by dividing different groups; GM equipment obtains security policies and keys from KS by joining corresponding groups, and is responsible for encrypting and decrypting data traffic. Among them, a group is a security policy All members belonging to the same group share the same security policy and key. [0003] The working process of Group Domain VPN can be divided into three parts: GM device registers with KS, GM device protects data, and key update. After GM device registers with KS, KS will periodically send key updat...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/761H04L45/16
CPCH04L49/201H04L63/065
Inventor 田浩博
Owner NEW H3C TECH CO LTD
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