Message forwarding method, system, storage medium and electronic device

A packet forwarding and forwarding core technology, applied in the network field, can solve problems such as difficulty in guaranteeing normal packet forwarding and paralysis of the forwarding system, and achieve the effects of improving efficiency and stability, avoiding occupation, and ensuring forwarding.

Active Publication Date: 2022-08-02
NEUSOFT CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, when a massive attack comes, the attack will quickly block the communication channel between the kernel mode CPU and the user mode CPU, it is difficult to guarantee the forwarding of normal messages, and it is easy to cause the forwarding system to be paralyzed

Method used

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  • Message forwarding method, system, storage medium and electronic device
  • Message forwarding method, system, storage medium and electronic device
  • Message forwarding method, system, storage medium and electronic device

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Embodiment Construction

[0080] The specific embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present disclosure, but not to limit the present disclosure.

[0081] As described in the Background Art, when a large number of attack packets arrive, since the kernel-mode CPU is required to determine whether a session table needs to be created for the packet for forwarding, the user-mode CPU will pass the packet between the kernel-mode and user-mode The communication channel between the kernel mode and the user mode sends the large number of packets to the kernel mode CPU, which causes the communication channel between the kernel mode and the user mode to be blocked, which affects the normal traffic forwarding in the entire packet forwarding system. In addition, in some scenarios, the congestion of communication channels can b...

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Abstract

The present disclosure relates to a message forwarding method, system, storage medium and electronic device. The method is applied to a message forwarding system. The message forwarding system includes a plurality of forwarding cores and a processing core corresponding to each forwarding core. The method includes: the forwarding core receives the target message from the network card, and queries the session table corresponding to the target message; if the session table is not queried, according to the quintuple of the target message and the local policy table of the forwarding core, determine Whether there is a rejection policy matching the quintuple in the local policy table; if it is determined that there is a rejection policy matching the quintuple in the local policy table, discard the target packet. Therefore, when receiving a large number of attack packets, the forwarding core can match the target packets according to its local policy table, which can effectively avoid the occupation of the communication channel between the forwarding core and the processing core, and effectively ensure the normal traffic flow. forwarding to improve the efficiency and stability of packet forwarding.

Description

technical field [0001] The present disclosure relates to the field of network technologies, and in particular, to a message forwarding method, system, storage medium and electronic device. Background technique [0002] With the development of computer technology, more and more firewalls adopt multi-core processing mechanism. Today's requirements for network security and robustness are getting higher and higher. For heterogeneous platforms, the message forwarding architecture is usually composed of CPUs in user mode and kernel mode, and the protocol is completed by the user mode CPU and the kernel mode CPU. message forwarding. In the prior art, when a massive attack comes, the attack will quickly block the communication channel between the kernel-mode CPU and the user-mode CPU, it is difficult to ensure normal packet forwarding, and the forwarding system is easily paralyzed. SUMMARY OF THE INVENTION [0003] The purpose of the present disclosure is to provide a highly sta...

Claims

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Application Information

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IPC IPC(8): H04L9/40H04L47/32H04L45/00G06F9/54
CPCH04L63/1458H04L47/32H04L45/14G06F9/545
Inventor 刘健男
Owner NEUSOFT CORP
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