Network data flow control equipment and method

Abstract

The invention relates to network data flow control equipment (100), which comprises a network adapter (110), a decoding classifier (120) and a flow limiter (130), wherein the network adapter (110) is used for receiving data packets, the decoding classifier (120) is used for decoding and classifying the received data packets, and the flow limiter (130) comprises a flow limiting passage (132) and a virtual network adapter (134) corresponding to the flow limiting passage, wherein the data packets classified by the decoding classifier (120) are sent into the flow limiting passage (132) relevant to the category of the data packets, and in addition, the virtual network adapter (134) corresponding to the flow limiting passage (132) limits the flow of data packets in the flow limiting passage (132) and sends the flow limited data packets to the network adapter (110) so that the data packets are sent out through the network adapter (110). The invention also provides a network data flow control method executed in the network data flow control equipment (100).

Description

technical field [0001] The invention relates to the field of computer networks, in particular to a network data flow control device and method, and a network communication system using the network data flow control device. Background technique [0002] With the development of computer networks, the amount of data transmitted on the network has increased sharply. There are more and more applications with high delay requirements such as multimedia and VOIP. When the amount of data is too large, it cannot be simply discarded by network data forwarding equipment The timely processing of packets is no longer suitable for current networks. Simply increasing network bandwidth cannot fundamentally solve the problem. Therefore, the concept of quality of service (QoS, quality of service) is proposed in the field of network data transmission, that is, to provide network service functions with different quality of service for various network application requirements. [0003] At prese...

AI Technical Summary

Problems solved by technology

[0004] However, the QoS module in Linux must be closely combined with the TCP / IP protocol stack, because in the existing Linux operating system, the TCP / IP protocol stack is implemented in the kernel layer and is becoming more and more stable, and QoS is added as a new function. In the Linux operating system, it must be limited by the realization of the existing TCP / IP protocol stack. Therefore, the functions of QoS in the existing Linux operating system are limited. For example, the QoS module in the existing Linux operating system is difficult to realize the service. Fine classification current limiting, source network interface current limiting, source security zone current limiting, time interval current limiting, uplink or downlink and other individual conditional current limiting or comprehensive conditional current limiting

Images