Session information synchronization method, apparatus, device, system and storage medium
A technology of session information and network equipment, which is applied in the direction of transmission system, advanced technology, climate sustainability, etc., can solve the problems of complex seven-layer session information and inability to synchronize seven-layer session information, and achieve the effect of meeting synchronization requirements
Active Publication Date: 2022-08-09
SANGFOR TECH INC
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Problems solved by technology
When the load balancing device is deployed in a dual-machine or cluster mode to meet the requirements of reliability scenarios, it is often impossible to synchronize the layer-7 session information between the master device and the backup device due to the complexity of the layer-7 session information
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[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.
[0025] In the related art, if a service only needs layer-4 network information to support the session retention behavior of scheduling subsequent requests, layer-4 load balancing is sufficient. Since the first packet of each connection carries Layer 4 network information, for Layer 4 load balancing, the first packet can be scheduled, except for NAT (Network Address Translation) and routing. There may be changes, and other information will basically not change, that is, the ...
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The invention discloses a session information synchronization method, device, equipment, system and storage medium. Wherein, the method includes: a first network device receives a network data packet sent by a second network device and a target state parameter of the corresponding network data packet; wherein the network data packet is obtained by monitoring by the second network device, and the The target state parameter includes: a partial variable of the session state obtained by the second network device by parsing the network data packet based on the network protocol stack, and the target state parameter is used to restore part of the session state of the network data packet; the The first network device parses the network data packet based on the network protocol stack, and obtains session information monitored by the second network device by using the parsing result in combination with the target state parameter. The embodiment of the present invention realizes the synchronization of session information, and can meet the synchronization requirements of the seven-layer session information.
Description
technical field [0001] The present invention relates to the field of network control, and in particular, to a session information synchronization method, apparatus, device, system and storage medium. Background technique [0002] Load balancing is an important part of the public cloud IAAS (Infrastructure as a Service) solution. Its performance, stability and flexibility are critical to the user's entire application architecture. It is used in computer clusters, network connections, Distribute load among CPU (Central Processing Unit), disk drives, or other resources to optimize resource usage, maximize throughput, minimize response time, and avoid overload. [0003] In the related art, load balancing generally includes two modes: one is Layer 4 load balancing, and the other is Layer 7 load balancing. Among them, the seven-layer load balancing can be scheduled based on the seven-layer session information of the network, which can meet complex business requirements. When the...
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IPC IPC(8): H04L67/1001H04L67/1095H04L67/02H04L69/329
CPCH04L67/1095H04L67/02H04L69/329H04L67/1001Y02D30/50
Inventor 辛智敏
Owner SANGFOR TECH INC