CN111865787A - Traffic statistical method, network equipment and storage medium - Google Patents
Traffic statistical method, network equipment and storage medium Download PDFInfo
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- 238000007619 statistical method Methods 0.000 title claims abstract description 9
- 238000013500 data storage Methods 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 description 4
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- 238000012986 modification Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/34—Source routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/38—Flow based routing
Abstract
The present specification provides a traffic statistical method, a network device, and a storage medium, where the method includes: when the SR-TE Policy routing corresponding to the destination node is determined to oscillate, storing first key data for carrying out traffic statistics on the destination node in a target data storage area of the equipment, and when the SR-TE Policy routing corresponding to the destination node is determined to stop oscillating, carrying out traffic statistics on the traffic reaching the destination node according to the first key data recorded in the target data storage area. By the method, the situation that flow statistics is inaccurate due to unstable SR-TE Policy routing obtained dynamically can be avoided.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a traffic statistical method, a network device, and a storage medium.
Background
SR-TE Policy (Segment Routing Policy) provides a flexible forwarding path selection method, and different forwarding requirements of users are met. When a plurality of paths exist between a source node and a destination node of a Segment Routing network, SR-TE Policy is reasonably utilized to select a forwarding path, which not only facilitates the management and planning of the network by an administrator, but also can effectively reduce the forwarding pressure of network equipment.
One SR-TE Policy is identified by three parts:
BSID: the SID of the ingress node.
Color: the Color attribute of the forwarding path is used to distinguish between multiple SR-TEPolicy between the same source and destination nodes.
End-point: the SR-TE Policy destination node may be identified by an IP address.
SR-TE Policy routing can be divided into two types, one type is statically configured SR-TE Policy routing, the other type is dynamically acquired SR-TE Policy routing, and compared with locally configured SRpolicy, the dynamically acquired SR-TE Policy routing is not so stable, and the performance of the statistical function is particularly obvious.
Disclosure of Invention
In order to solve the technical problems in the prior art, the present specification provides a traffic statistics method, a network device, and a storage medium, which can avoid the occurrence of inaccurate traffic statistics due to unstable SR-TE Policy routing obtained dynamically.
The embodiment of the specification provides a traffic statistical method, which is applied to a segment routing policy (SR-TEPolicy) network and comprises the following steps:
when the SR-TE Policy routing corresponding to the destination node is determined to oscillate, storing first key data for carrying out flow statistics on the destination node in a target data storage area of the equipment;
And when the SR-TE Policy routing corresponding to the destination node stops oscillating, carrying out traffic statistics on the traffic reaching the destination node according to the first key data recorded in the target data storage area.
Optionally, the method for determining that the SR-TE Policy route corresponding to the destination node oscillates includes:
if the monitored neighborhood of the SR-TE Policy route vibrates, the SR-TE Policy route is considered to vibrate.
Optionally, a target storage block is selected from the data storage area of the device, a Policy identifier is set for the target storage block, and the target storage block with the Policy identifier set is used as a target data storage area;
the storing, in a target data storage area of the device, the first key data for performing traffic statistics on the destination node specifically includes:
the first critical data is stored in the target memory block with Policy identification in the device.
Optionally, after storing the first key data for traffic statistics for the destination node in the target data storage area of the device, performing traffic statistics for the destination node, and taking a result of the traffic statistics as temporary statistical data;
The traffic statistics on the traffic reaching the destination node according to the first key data recorded in the target data storage area specifically includes:
when the SR-TE Policy routing corresponding to the destination node is determined to stop oscillating, acquiring second key data for carrying out flow statistics again aiming at the destination node;
and accumulating the temporary statistical data to flow statistics according to second key data statistics if the matching value of the second key data and the first key data reaches a preset matching value.
Optionally, the first critical data and the second critical data include: attribute information of SR-TE Policy.
It can be seen from the foregoing embodiments that, when the SR-TE Policy route oscillates, the first key data for performing traffic statistics on the destination node may be stored in the target data storage area of the device, so that traffic arriving at the destination node may be counted according to the first key data recorded in the storage area, and temporary statistical data is formed, and when it is determined that the SR-TE Policy route corresponding to the destination node stops oscillating, traffic arriving at the destination node may be subjected to traffic statistics according to the temporary statistical data.
An embodiment of the present specification further provides a network device, where the network device is applied in a segment routing policy SR-TEPolicy network, and the network device includes:
the judging module is used for judging whether the SR-TE Policy route corresponding to the destination node is oscillated or not;
the first processing module is used for storing first key data for carrying out flow statistics on a destination node in a target data storage area of the equipment when the judgment module determines that the SR-TE Policy route corresponding to the destination node is oscillated;
and the first processing module is used for carrying out flow statistics on the flow reaching the destination node according to the first key data recorded in the target data storage area when the judging module determines that the SR-TE Policy route corresponding to the destination node stops oscillating.
Optionally, the determining module is further configured to consider that the SR-TE Policy route oscillates when monitoring that the neighbor relation of the SR-TE Policy route oscillates.
Optionally, a target storage block is selected from the data storage area of the device, a Policy identifier is set for the target storage block, and the target storage block with the Policy identifier set is used as a target data storage area;
The first processing module is further configured to store the first critical data in a target memory block with Policy identification in the device.
An embodiment of the present specification further provides a network device, where the network device is applied in a segment routing policy SR-TEPolicy network, and the network device includes: a processor and a machine-readable storage medium;
the machine-readable storage medium stores machine-executable instructions executable by the processor, the processor being caused by the machine-executable instructions to: the method steps in the above embodiments are implemented.
Embodiments of the present specification also provide a machine-readable storage medium storing machine-executable instructions that, when invoked and executed by a processor, cause the processor to: the method steps in the above embodiments are implemented.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present specification and together with the description, serve to explain the principles of the specification.
Fig. 1 is a schematic flow chart of a traffic statistical method according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present specification. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the specification, as detailed in the appended claims.
The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the description. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of the present specification. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
At present, the SR-TE Policy routing published by BGP is less stable than the locally configured SR-TE Policy routing, and the performance of the statistical function is particularly obvious. Srpoliy consists of a plurality of parts, wherein one part is Srpolicy, the next part is segmentlist, and the next part is an output interface, the three layers are subjected to statistics in sequence, one Srpolicy consists of a plurality of segmentlists, the sum of data statistics of all the segmentlists is the sum of statistics of the Srpolicy, the segmentlists consist of a plurality of output directions, and the sum of the statistics of the output directions is finally the sum of statistics of the corresponding segmentlists.
In principle, the data of the statistical function is emptied due to the change of some necessary parameters, such as the whole srpolicy, due to the deletion of the whole srpolicy structure or the change of the most critical parameters such as color; the segmentlist considers that the whole segmentlist changes due to the attribute change of the direction index, and the previous data have no reference value and are emptied; the outgoing direction is cleared because the critical information of the outlet, such as the address and the outgoing interface, changes and is no longer meaningful to record, thereby causing the statistical error of the flow.
As shown in fig. 1, to solve the above technical problem, an embodiment of the present disclosure provides a traffic statistical method, where the traffic statistical method is applied to a SR-TE Policy network, and the method includes:
s1, when the SR-TE Policy routing corresponding to a destination node is determined to oscillate, storing first key data for traffic statistics of the destination node in a target data storage area of equipment;
and S2, when the SR-TE Policy routing corresponding to the destination node stops oscillating, carrying out flow statistics on the flow reaching the destination node according to the first key data recorded in the target data storage area.
In step S1, the node device may monitor whether the neighbor relation of the SR-TE Policy route to the destination node oscillates through a network monitoring protocol, and if so, the node device may consider that the SR-TE Policy route oscillates.
At this time, the node device may obtain SR-TE Policy routing attribute information for the destination node, where generally, the node device may perform traffic monitoring according to the SR-TE Policy routing attribute information, for example: the SR-TEPolicy routing attribute information includes: SR-TEPolicy attribute information such as Name, Color, End-point, BSID, etc., and SID List of Segment List (SID List is a List containing message forwarding path information, SID in SID List is SID from each node to next hop on forwarding path.
Before step S1 is executed, the node device may further divide several storage modules from its own storage module for storing the first key data, specifically, select a target storage block from the data storage area, add a specified identifier (the specified identifier is a policy identifier) to the target storage block, and use the target storage block with the specified identifier as the target data storage area.
After storing the first key data, when the node device determines that the traffic is still sent to the destination node, the node device may perform traffic statistics on the traffic sent to the destination node according to the first key data in the target data storage area, and form temporary statistical data.
When step S2 is executed, when it is monitored through the network monitoring protocol that the neighbor relation of the SR-TE Policy route corresponding to the destination node does not change any more at time T, it may be considered that the SR-TE Policy route corresponding to the destination node stops oscillating.
At this time, traffic statistics may be performed on traffic reaching the destination node according to the first key data recorded in the target data storage area, specifically:
and taking the destination node as an index, acquiring first key data recorded in the target data storage area, and acquiring second key data generated after the SR-TE Policy route corresponding to the destination node stops oscillating, wherein the first key data and the second key data may be the same or different. In general, if the used SR-TEPolicy route is the same as the route before oscillation after the SR-TEPolicy route corresponding to the destination node stops oscillating, the first critical data is the same as the second critical data; otherwise, if the routes are different, the first critical data is different from the second critical data.
In this embodiment, after obtaining the first critical data and the second critical data according to the destination node, it may be determined whether the first critical data and the second critical data are matched, where the first critical data may be SR-TE Policy routing attribute information including: SR-TEPolicy attribute information such as Name, Color, End-point, BSID and the like, a SID list of the SegmentList, and certain attribute or combination of multiple attributes in routing information such as interface address, interface Name and the like of the interface information. When matching, it can be determined whether the corresponding attribute values are the same, if so, matching is performed, and if not, mismatching is performed.
And when the first key data are matched with the second key data, accumulating the temporary statistical data to the flow statistics according to the second key data statistics, thereby ensuring that the flow statistics aiming at the same destination node is not interrupted.
When the first key data is not matched with the second key data, and at this time, because a source route reaching the destination node is not available, the power saving device sends traffic to the destination node through a newly established route (a standby route), at this time, a part of attributes in the second key data can be matched with a part of attributes in the first data, such as an End-point attribute and/or a Color attribute, if the part of attributes are matched, the traffic can be considered as the traffic for the same destination node, at this time, temporary statistical data can be accumulated to traffic statistics according to the second key data, and thus it is ensured that the traffic statistics for the same destination node is not interrupted.
Based on the same concept as the above, the present specification further provides a network device, which may be a router, a switch, a server, and of course, a virtual router, a switch, etc. operating in the server.
The network equipment is applied to a segment routing Policy SR-TE Policy network, and comprises:
the judging module is used for judging whether the SR-TE Policy route corresponding to the destination node is oscillated or not;
the first processing module is used for storing first key data for carrying out flow statistics on a destination node in a target data storage area of the equipment when the judgment module determines that the SR-TE Policy route corresponding to the destination node is oscillated;
and the first processing module is used for carrying out flow statistics on the flow reaching the destination node according to the first key data recorded in the target data storage area when the judging module determines that the SR-TE Policy route corresponding to the destination node stops oscillating.
Optionally, the determining module is further configured to consider that the SR-TE Policy route oscillates when monitoring that the neighbor relation of the SR-TE Policy route oscillates.
Optionally, a target storage block is selected from the data storage area of the device, a Policy identifier is set for the target storage block, and the target storage block with the Policy identifier set is used as a target data storage area;
The first processing module is further configured to store the first critical data in a target memory block with Policy identification in the device.
The present specification also provides a network device, where the network device is applied in a segment routing policy SR-TEPolicy network, and the network device includes: a processor and a machine-readable storage medium;
the machine-readable storage medium stores machine-executable instructions executable by the processor, the processor being caused by the machine-executable instructions to: the method steps in the above embodiments are implemented.
The present specification also provides a machine-readable storage medium storing machine-executable instructions that, when invoked and executed by a processor, cause the processor to: the method steps in the above embodiments are implemented.
The foregoing description has been directed to specific embodiments of this disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
Other embodiments of the present description will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This specification is intended to cover any variations, uses, or adaptations of the specification following, in general, the principles of the specification and including such departures from the present disclosure as come within known or customary practice within the art to which the specification pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the specification being indicated by the following claims.
It will be understood that the present description is not limited to the precise arrangements described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present description is limited only by the appended claims.
The above description is only a preferred embodiment of the present disclosure, and should not be taken as limiting the present disclosure, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.
Claims (10)
1. A traffic statistical method is applied to a segment routing Policy SR-TE Policy network, and comprises the following steps:
When the SR-TE Policy routing corresponding to the destination node is determined to oscillate, storing first key data for carrying out flow statistics on the destination node in a target data storage area of the equipment;
and when the SR-TE Policy routing corresponding to the destination node stops oscillating, carrying out traffic statistics on the traffic reaching the destination node according to the first key data recorded in the target data storage area.
2. The method of claim 1, wherein the step of determining that the SR-TE Policy route corresponding to the destination node is oscillating comprises:
if the monitored neighborhood of the SR-TE Policy route vibrates, the SR-TE Policy route is considered to vibrate.
3. The method of claim 1, wherein a target memory block is selected from the data storage area of the device, a Policy identifier is set for the target memory block, and the target memory block with the Policy identifier set is used as a target data storage area;
the storing, in a target data storage area of the device, the first key data for performing traffic statistics on the destination node specifically includes:
the first critical data is stored in the target memory block with Policy identification in the device.
4. The method of claim 1, further comprising: after first key data for carrying out flow statistics on the target node are stored in a target data storage area of equipment, carrying out flow statistics on the target node, and taking a result of the flow statistics as temporary statistical data;
the traffic statistics on the traffic reaching the destination node according to the first key data recorded in the target data storage area specifically includes:
when the SR-TE Policy routing corresponding to the destination node is determined to stop oscillating, acquiring second key data for carrying out flow statistics again aiming at the destination node;
and accumulating the temporary statistical data to flow statistics according to second key data statistics if the matching value of the second key data and the first key data reaches a preset matching value.
5. The method of any of claims 1-4, wherein the first critical data and the second critical data comprise: routing attribute information for SR-TE Policy.
6. A network device, wherein the network device is applied in a SR-TE Policy network, and the network device comprises:
The judging module is used for judging whether the SR-TE Policy route corresponding to the destination node is oscillated or not;
the first processing module is used for storing first key data for carrying out flow statistics on a destination node in a target data storage area of the equipment when the judgment module determines that the SR-TE Policy route corresponding to the destination node is oscillated;
and the first processing module is used for carrying out flow statistics on the flow reaching the destination node according to the first key data recorded in the target data storage area when the judging module determines that the SR-TE Policy route corresponding to the destination node stops oscillating.
7. The network device of claim 6,
the judging module is further used for considering that the SR-TE Policy route vibrates when monitoring that the neighbor relation of the SR-TE Policy route vibrates.
8. The network device according to claim 6, wherein a target storage block is selected from the data storage area of the device, a Policy identifier is set for the target storage block, and the target storage block with the Policy identifier set is used as a target data storage area;
the first processing module is further configured to store the first critical data in a target memory block with Policy identification in the device.
9. A network device, wherein the network device is applied in a SR-TE Policy network, and the network device comprises: a processor and a machine-readable storage medium;
the machine-readable storage medium stores machine-executable instructions executable by the processor, the processor being caused by the machine-executable instructions to: carrying out the method steps of any one of claims 1 to 4.
10. A machine-readable storage medium having stored thereon machine-executable instructions that, when invoked and executed by a processor, cause the processor to: carrying out the method steps of any one of claims 1 to 4.
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| CN112804145A (en) * | 2020-12-31 | 2021-05-14 | 锐捷网络股份有限公司 | Flow statistical method and device based on segmented identification list |
| CN112910777A (en) * | 2021-01-28 | 2021-06-04 | 北京华三通信技术有限公司 | Message processing method and device |
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