Large ip network traffic monitoring method and device
An IP network and traffic monitoring technology, applied in data exchange network, digital transmission system, electrical components, etc., can solve problems such as low efficiency, low efficiency, and impact on user service quality
Active Publication Date: 2017-11-03
CHINA TELECOM CORP LTD
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Problems solved by technology
For example, suppose that the traffic distribution among multiple links in the same direction is unbalanced due to unreasonable IGP (Interior Gateway Protocol) / BGP (Border Gateway Protocol) routing policy settings in the network. The overall bandwidth utilization rate of the link group is not high, but the traffic of individual links is already congested, which will inevitably affect the service quality of users carried on the congested link, so the unbalanced traffic distribution is the key to the problem; When a network fault occurs, the network traffic will be redistributed among the remaining nodes and links. If the network maintenance personnel still check the traffic changes and influences one by one in the form of a link / link group as a unit, the efficiency is very low. , this traditional method can no longer meet the requirements for centralized monitoring of the network and rapid assessment of the scope of fault impact
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[0036] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
[0037] At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.
[0038] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.
[0039] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authoriz...
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The invention discloses a large-scale IP network traffic monitoring method and device, and relates to the technical field of large-scale network monitoring. The method includes: obtaining the bandwidth utilization ratio of each link in the N links in the network; sorting the bandwidth utilization ratios of the N links; obtaining a polyline connecting coordinate points; determining an equalization coefficient according to the polyline, that is, The ratio of the area enclosed by the broken line and the equilibrium line to the area of the lower triangle. The method and device provide a quantitative index for evaluating the balance of network traffic sharing in multiple directions (such as between provinces and provinces), that is, a balance coefficient, for a carrier-grade IP network management system. The four-element monitoring matrix established based on this indicator can monitor and display the availability status, traffic sharing and congestion of all circuits in the network, which greatly improves the network management system's ability to centrally monitor network traffic.
Description
technical field [0001] The invention relates to the technical field of large-scale network monitoring, in particular to a large-scale IP network traffic monitoring method and device. Background technique [0002] In the operation and maintenance of large-scale IP networks, it is often seen that the flow direction of network traffic caused by line or equipment failures changes. The traffic carried by the original faulty segment will be carried by other related links after the network routes reconverge. In addition, during the network expansion and adjustment phase, changes in routing policies or network topology will also cause inherent traffic between nodes to be carried under different link groups. Both of the above situations will cause network traffic to be redistributed between nodes and links, causing changes in link bandwidth utilization. Due to the large number of nodes and links in large-scale networks, and the complexity of topology and routing organization, networ...
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IPC IPC(8): H04L12/26H04L12/24
Inventor 张强吴湘东冀晖刘紫千许彤林跃华马少伟李玉娟
Owner CHINA TELECOM CORP LTD