CN115297057B - Network flow control method based on information management platform - Google Patents
Network flow control method based on information management platform Download PDFInfo
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- CN115297057B CN115297057B CN202210868204.1A CN202210868204A CN115297057B CN 115297057 B CN115297057 B CN 115297057B CN 202210868204 A CN202210868204 A CN 202210868204A CN 115297057 B CN115297057 B CN 115297057B
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- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims description 12
- 230000009191 jumping Effects 0.000 claims description 3
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
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- 230000003631 expected effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/29—Flow control; Congestion control using a combination of thresholds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
- H04L47/2433—Allocation of priorities to traffic types
Abstract
A network flow control method based on an information management platform belongs to the technical field of network flow control. The invention aims at the problem that the existing server controls the data flow according to the flow threshold value which is fixedly set, and network resources cannot be utilized to the maximum extent. Comprising the following steps: monitoring the overall bandwidth utilization rate of the platform server and monitoring the local bandwidth utilization rate of the hot spot information items to enable the platform server to generate; if the overall bandwidth utilization exceeds the overall bandwidth threshold, and the local bandwidth utilization does not exceed the local bandwidth threshold, starting an overall flow control method; if the overall bandwidth utilization rate does not exceed the overall bandwidth threshold, and the local bandwidth utilization rate exceeds the local bandwidth threshold, starting a local flow control method; if the overall bandwidth utilization exceeds the overall bandwidth threshold, and the local bandwidth utilization exceeds the local bandwidth threshold, the overall flow control method and the local flow control method are started simultaneously. The invention is used for controlling the network flow.
Description
Technical Field
The invention relates to a network flow control method based on an information management platform, and belongs to the technical field of network flow control.
Background
The information management platform is a core of a background network management system of the whole Internet of things and is a management system based on a database. The method mainly comprises three aspects of information acquisition, information processing and information storage. The Internet of things provides required information data for users of the Internet of things, and is a way for realizing the use value of the Internet of things.
The Internet of things system relates to huge data information resources, and an information management platform is a key for ensuring successful operation of the Internet of things system. The information management platform is organized, dynamically stores a large amount of information, can be conveniently accessed by multiple users, and realizes full sharing and cross access of the information.
When many users send the same or different data requests to the platform at the same time, for example, the request amount of the whole platform is too large or the request amount of a certain item in the platform is too large, the performance of the platform server can be greatly challenged, including influencing the CPU and network traffic of the server, which increases the system load of the server and further influences the processing performance of the server. When a large number of users are accessed concurrently, the information management platform can limit the flow of the access of the users through the server, so that the condition that the server is down due to too high load is avoided. The current access flow control method comprises setting a flow control threshold value according to experience, but if the flow threshold value is set too low, resource waste can be caused; the flow threshold is set too high, and when the user accesses the flow surge, the real-time data processing capacity is difficult to bear, so that the user experience is seriously affected.
Disclosure of Invention
Aiming at the problem that the existing server controls the data flow according to the flow threshold value which is fixedly set and can not utilize network resources to the maximum extent, the invention provides a network flow control method based on an information management platform.
The invention relates to a network flow control method based on an information management platform, which comprises the following steps of,
monitoring the overall bandwidth utilization rate of the platform server and monitoring the local bandwidth utilization rate of the hot spot information items to enable the platform server to generate;
if the overall bandwidth utilization exceeds the overall bandwidth threshold, and the local bandwidth utilization does not exceed the local bandwidth threshold, starting an overall flow control method;
if the overall bandwidth utilization rate does not exceed the overall bandwidth threshold, and the local bandwidth utilization rate exceeds the local bandwidth threshold, starting a local flow control method;
if the overall bandwidth utilization rate exceeds the overall bandwidth threshold value, and the local bandwidth utilization rate exceeds the local bandwidth threshold value, starting the overall flow control method and the local flow control method at the same time;
the overall flow control method comprises the following steps:
firstly, setting an access prohibition time period according to a time period, and rejecting an access request sent to a platform in the access prohibition time period; after three time periods, if the overall bandwidth usage still exceeds the overall bandwidth threshold:
intercepting a corresponding access request according to preset filtering conditions and the filtering conditions; after three time periods, if the overall bandwidth usage still exceeds the overall bandwidth threshold:
according to the current overall bandwidth utilization rate, setting interception probability of each time period for access requests, and intercepting the access request quantity of a single time period according to the interception probability;
the local flow control method comprises the following steps:
configuring a plurality of resource link points for hot spot information items in a platform; uniformly jumping the current access request to the hot spot information items to a plurality of resource link points;
and setting an access frequency threshold value for each time period of the hot spot information item, and intercepting the access request after reaching the access frequency threshold value in time sequence in each time period.
According to the network flow control method based on the information management platform, the interception probability is adjusted step by step according to the change of the overall bandwidth utilization rate, so that the overall bandwidth utilization rate is within the overall bandwidth threshold.
According to the network flow control method based on the information management platform, the interception probability is between the interception initial value and the interception threshold value.
According to the network flow control method based on the information management platform, the whole bandwidth threshold comprises a low flow control threshold and a high flow control threshold; the interception probability is adjusted according to a preset interception step length;
when the interception step number is 0, the overall bandwidth utilization rate reaches or exceeds a low flow control threshold value but does not reach a high flow control threshold value, adding 1 to the interception step number;
when the interception step number is larger than 1, the overall bandwidth utilization rate reaches or exceeds a low flow control threshold value but does not reach a high flow control threshold value, the interception step number is kept at an original value;
when the overall bandwidth usage reaches or exceeds the high flow control threshold, the number of interception steps is increased by 1.
According to the network flow control method based on the information management platform, when the overall bandwidth utilization rate exceeds the critical value of the overall bandwidth threshold, the access request is intercepted according to the preset maximum interception probability.
According to the network flow control method based on the information management platform, the critical value of the overall bandwidth threshold is larger than the high flow control threshold.
According to the network flow control method based on the information management platform, in each time period, the setting of the access prohibition time period comprises the following steps:
the access prohibition period extends with an increase in the overall bandwidth usage.
According to the network flow control method based on the information management platform, the filtering conditions comprise:
setting classification labels for all data information of a platform, giving priority to all classification labels, and taking a data information access request with the lowest priority as an initial interception target; and under the condition that the overall bandwidth utilization rate still exceeds the overall bandwidth threshold value, sequentially increasing the data information access requests of the next level to serve as interception targets.
According to the network flow control method based on the information management platform, the number of the resource link points is selected according to the estimated heat of the hot spot information items.
According to the network flow control method based on the information management platform, the method for skipping the access request of the hot spot information item comprises the following steps: and sequentially skipping according to the sequence numbers of the plurality of resource link points.
The invention has the beneficial effects that: in order to enable the Internet of things to provide more friendly user experience for users, the method and the device for monitoring the whole bandwidth utilization rate and the local bandwidth utilization rate of the information management platform simultaneously monitor the whole bandwidth utilization rate and the local bandwidth utilization rate of the information management platform, so that targeted flow control can be performed aiming at different conditions for triggering the flow control.
The bandwidth utilization rate is monitored from the whole and local angles at the same time, so that when the current access amount of a certain item exceeds the threshold value and the whole network does not reach the access amount threshold value, the flow control can be carried out only on the hot spot information item, the whole network is not affected, and the service quality of the server is improved. And meanwhile, the flow control is carried out on the whole network in a mode of combining the access prohibition time period, the filtering condition and the access request quantity of intercepting a single time period according to the interception probability, so that the flow control result is real-time adjustment carried out by combining the actual use condition of the current network, the network resource is ensured to be effectively utilized to the maximum extent, and better user experience is provided for users.
Drawings
Fig. 1 is an exemplary flow chart of a network flow control method based on an information management platform according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
The present invention provides a network flow control method based on an information management platform, which includes,
monitoring the overall bandwidth utilization rate of the platform server and monitoring the local bandwidth utilization rate of the hot spot information items to enable the platform server to generate;
if the overall bandwidth utilization exceeds the overall bandwidth threshold, and the local bandwidth utilization does not exceed the local bandwidth threshold, starting an overall flow control method;
if the overall bandwidth utilization rate does not exceed the overall bandwidth threshold, and the local bandwidth utilization rate exceeds the local bandwidth threshold, starting a local flow control method;
if the overall bandwidth utilization rate exceeds the overall bandwidth threshold value, and the local bandwidth utilization rate exceeds the local bandwidth threshold value, starting the overall flow control method and the local flow control method at the same time;
the overall flow control method comprises the following steps:
firstly, setting an access prohibition time period according to a time period, and rejecting an access request sent to a platform in the access prohibition time period; after three time periods, if the overall bandwidth usage still exceeds the overall bandwidth threshold:
intercepting a corresponding access request according to preset filtering conditions and the filtering conditions; after three time periods, if the overall bandwidth usage still exceeds the overall bandwidth threshold:
according to the current overall bandwidth utilization rate, setting interception probability of each time period for access requests, and intercepting the access request quantity of a single time period according to the interception probability;
the local flow control method comprises the following steps:
configuring a plurality of resource link points for hot spot information items in a platform; uniformly jumping the current access request to the hot spot information items to a plurality of resource link points;
and setting an access frequency threshold value for each time period of the hot spot information item, and intercepting the access request after reaching the access frequency threshold value in time sequence in each time period.
In this embodiment, when each flow control means is sequentially implemented, three time periods are used as time nodes for showing whether the current flow control means effectively controls the access amount, because the flow control effect has a delay, and the three time periods not only provide delay buffer periods, but also do not generate excessive time consumption when the network flow control does not reach the expected effect, thereby affecting the use of further flow control means.
In the whole flow control process, when the whole bandwidth utilization rate falls back to the whole bandwidth threshold value, firstly canceling access request limitation implemented according to interception probability; if the overall bandwidth utilization rate still does not exceed the overall bandwidth threshold, then the limitation of the filtering condition and the limitation of the access forbidden time period are sequentially released.
The hotspot information item may be empirically selected. When the bandwidth usage exceeds the standard and the whole website is normal due to the hot spot information items, the access requests to the same target are dispersed by configuring a plurality of resource link points, so that the problem of overhigh local bandwidth usage can be effectively solved.
In this embodiment, the global bandwidth threshold and the local bandwidth threshold are trigger conditions for the global flow control method and the local flow control method, respectively.
In the flow control means of the present embodiment, the client is not considered, and the matching standard is set for the access destination of the client. For example, the interception frequency is set in time period, and the data access amount is reduced in accordance with the filtering condition, which is simple and effective.
Further, the interception probability is adjusted step by step according to the change of the overall bandwidth utilization, so that the overall bandwidth utilization is within the overall bandwidth threshold.
In this embodiment, the interception probability is not selected to be a fixed value, and dynamic adjustment can be performed according to actual conditions, so as to meet real-time requirements of different network congestion states.
Still further, the interception probability is between an interception initial value and an interception threshold.
The initial interception value is selected empirically to control the flow increase. The interception threshold can also be selected empirically, and is not suitable for excessively influencing the operation of the main body resources of the website.
Still further, the overall bandwidth threshold includes a low flow control threshold and a high flow control threshold; the interception probability is adjusted according to a preset interception step length;
when the interception step number is 0, the overall bandwidth utilization rate reaches or exceeds a low flow control threshold value but does not reach a high flow control threshold value, adding 1 to the interception step number;
when the interception step number is larger than 1, the overall bandwidth utilization rate reaches or exceeds a low flow control threshold value but does not reach a high flow control threshold value, the interception step number is kept at an original value;
when the overall bandwidth usage reaches or exceeds the high flow control threshold, the number of interception steps is increased by 1.
And adjusting the interception probability according to the interception step length to gradually increase or gradually decrease the interception probability. Aiming at the change of the current overall bandwidth utilization rate, the interception probability is dynamically adjusted, so that the bandwidth utilization rate is in a healthy range; when the bandwidth utilization rate is developed in a good direction, the interception steps are sequentially reduced according to the reverse direction until interception is canceled.
Still further, when the overall bandwidth utilization exceeds a critical value of the overall bandwidth threshold, intercepting the access request according to a preset maximum interception probability.
The critical value is set as early warning, and the access request is intercepted by adopting the maximum strength when the critical value occurs, so that the occurrence of network paralysis fault can be effectively avoided.
Still further, the critical value of the overall bandwidth threshold is greater than the high flow control threshold.
Still further, in each time period, the setting of the access prohibition time period includes:
the access prohibition period extends with an increase in the overall bandwidth usage. When the access request amount increases fast, the interval of the prohibited access period may be set to be shorter, and conversely, set to be longer.
Still further, the filtering conditions include:
setting classification labels for all data information of a platform, giving priority to all classification labels, and taking a data information access request with the lowest priority as an initial interception target; and under the condition that the overall bandwidth utilization rate still exceeds the overall bandwidth threshold value, sequentially increasing the data information access requests of the next level to serve as interception targets.
When the interception is released, the data information of the high-level classification tag is released preferentially. The priority setting is related to the importance of the data message and may also be related to the network occupancy of the resource response request.
The access request is intercepted, so that the processing capacity of a server network of the access request can be effectively reduced.
Still further, the number of resource links is selected based on the estimated popularity of the hotspot information item. And setting the number of resource link points as much as possible for the hot spot information items with high estimated heat.
Still further, the method for skipping the access request to the hotspot information item comprises the following steps: and sequentially skipping according to the sequence numbers of the plurality of resource link points.
The access request may jump to multiple resource link points in sequence according to sequence numbers, or may select to jump according to network addresses of different resource link points.
The method of the invention avoids the occurrence of server overload condition from the perspective of early optimization. And provides a solution for overloading the server for bursts of network traffic. The data flow can be controlled substantially, so that the load of the server is controllable and the operation is smoother.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.
Claims (8)
1. A network flow control method based on an information management platform is characterized by comprising the following steps of,
monitoring the overall bandwidth utilization rate of the platform server and monitoring the local bandwidth utilization rate of the hot spot information items to enable the platform server to generate;
if the overall bandwidth utilization exceeds the overall bandwidth threshold, and the local bandwidth utilization does not exceed the local bandwidth threshold, starting an overall flow control method;
if the overall bandwidth utilization rate does not exceed the overall bandwidth threshold, and the local bandwidth utilization rate exceeds the local bandwidth threshold, starting a local flow control method;
if the overall bandwidth utilization rate exceeds the overall bandwidth threshold value, and the local bandwidth utilization rate exceeds the local bandwidth threshold value, starting the overall flow control method and the local flow control method at the same time;
the overall flow control method comprises the following steps:
firstly, setting an access prohibition time period according to a time period, and rejecting an access request sent to a platform in the access prohibition time period; after three time periods, if the overall bandwidth usage still exceeds the overall bandwidth threshold:
intercepting a corresponding access request according to preset filtering conditions and the filtering conditions; after three time periods, if the overall bandwidth usage still exceeds the overall bandwidth threshold:
according to the current overall bandwidth utilization rate, setting interception probability of each time period for access requests, and intercepting the access request quantity of a single time period according to the interception probability;
the local flow control method comprises the following steps:
configuring a plurality of resource link points for hot spot information items in a platform; uniformly jumping the current access request to the hot spot information items to a plurality of resource link points;
setting an access frequency threshold value for each time period of the hot spot information item, and intercepting access requests after reaching the access frequency threshold value in time sequence in each time period;
the overall bandwidth threshold includes a low flow control threshold and a high flow control threshold; the interception probability is adjusted according to a preset interception step length;
when the interception step number is 0, the overall bandwidth utilization rate reaches or exceeds a low flow control threshold value but does not reach a high flow control threshold value, adding 1 to the interception step number;
when the interception step number is larger than 1, the overall bandwidth utilization rate reaches or exceeds a low flow control threshold value but does not reach a high flow control threshold value, the interception step number is kept at an original value;
when the overall bandwidth utilization reaches or exceeds a high flow control threshold, adding 1 to the interception step number;
the filtering conditions include:
setting classification labels for all data information of a platform, giving priority to all classification labels, and taking a data information access request with the lowest priority as an initial interception target; and under the condition that the overall bandwidth utilization rate still exceeds the overall bandwidth threshold value, sequentially increasing the data information access requests of the next level to serve as interception targets.
2. The method for information management platform based network traffic control according to claim 1, wherein,
the interception probability is adjusted step by step according to the change of the overall bandwidth utilization rate so that the overall bandwidth utilization rate is within an overall bandwidth threshold.
3. The method for information management platform based network traffic control according to claim 2, wherein,
the interception probability is between an interception initial value and an interception threshold.
4. The method for information management platform based network traffic control according to claim 3, wherein,
when the overall bandwidth utilization rate exceeds the critical value of the overall bandwidth threshold, intercepting the access request according to the preset maximum interception probability.
5. The method for information management platform based network traffic control as recited in claim 4, wherein,
the critical value of the overall bandwidth threshold is greater than the high flow control threshold.
6. The method for information management platform based network traffic control as recited in claim 5, wherein,
the setting of the access prohibition period in each period of time includes:
the access prohibition period extends with an increase in the overall bandwidth usage.
7. The method for information management platform based network traffic control as recited in claim 6, wherein,
the number of the resource link points is selected according to the estimated heat of the hot spot information items.
8. The method for information management platform based network traffic control as recited in claim 7, wherein,
the method for skipping the access request of the hot spot information item comprises the following steps: and sequentially skipping according to the sequence numbers of the plurality of resource link points.
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