CN111262736A - Bandwidth fine-grained management method based on multi-channel hierarchical traffic shaping - Google Patents
Bandwidth fine-grained management method based on multi-channel hierarchical traffic shaping Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0896—Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities
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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
- 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
- H04L43/0894—Packet rate
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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
- H04L43/16—Threshold monitoring
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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
- H04L47/215—Flow control; Congestion control using token-bucket
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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
- H04L47/22—Traffic shaping
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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
- H04L47/2441—Traffic characterised by specific attributes, e.g. priority or QoS relying on flow classification, e.g. using integrated services [IntServ]
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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
- H04L47/32—Flow control; Congestion control by discarding or delaying data units, e.g. packets or frames
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Abstract
A bandwidth fine granularity management method based on multi-channel hierarchical flow shaping comprises the following steps: calculating a first quantity threshold value of the base station for sending the uploading data packets and a second quantity threshold value of the base station for sending the downloading response data packets in each operation period; dividing the domain of the interface according to the physical networking structure, and dividing the interface pipeline for the interface; establishing a domain bandwidth strategy for each domain; and performing bandwidth control, finishing flow shaping by adopting a buffer area and a token bucket, and dividing a data sending channel into a main channel, a sub-channel and a micro-channel. The invention realizes the hierarchical flow shaping through a main channel, a sub-channel and a micro-channel triple nested channel management mechanism and a hierarchical borrowing mechanism, meets the bandwidth management requirement of fine granularity of a user, fully considers the characteristic of data transmission of a base station, solves the shaping and speed improvement of data flow during concurrent service, ensures the stability of data transmission, simplifies the algorithm and has excellent use effect.
Description
Technical Field
The invention relates to the technical field of network communication, in particular to a bandwidth fine granularity management method based on multi-channel hierarchical flow shaping.
Background
With the development of fiber-to-the-home technology, EPON technology, which combines the simplicity and high popularity of ethernet with the economy of passive optical network structures, has become the mainstream technology of access networks; with the rapid development of network multimedia technology, IP services tend to be diversified, such as multimedia real-time services like IP telephony, electronic commerce, video conferencing, video on demand, distance education, etc., and in QoS performance, bandwidth performance index is a core index; with the development of broadband network technology, how to effectively manage and control bandwidth to control increasingly serious bandwidth abuse and misuse, thereby improving the utilization rate of network resources is always a relatively troublesome problem;
because network bandwidth resources are precious in the network of an operator or an enterprise user, the currently used bandwidth management method is simple, effective bandwidth control is difficult to perform in a multi-level and fine-grained manner, the network bandwidth resources cannot be reasonably utilized, data transmission is not stable enough, the rate is difficult to improve, and improvement is needed.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a bandwidth fine-grained management method based on multi-channel hierarchical traffic shaping, which optimizes the bandwidth management method, realizes hierarchical traffic shaping through a main channel, a subchannel and a micro-channel triple nested channel management mechanism and a hierarchical borrowing mechanism, meets the bandwidth management requirement of user fine-grained, fully considers the characteristic of base station data transmission, divides data in a user and each air interface bearing under the user in the base station into an uploading type and a downloading type, adopts different shaping mechanisms, well solves the shaping and speed increasing of data traffic during concurrent service, ensures the stability of data transmission, simplifies the algorithm and has excellent use effect.
(II) technical scheme
The invention provides a bandwidth fine granularity management method based on multi-channel hierarchical flow shaping, which comprises the following steps:
s1, calculating a first quantity threshold value of the uploading data packets and a second quantity threshold value of the downloading response data packets sent by the base station in each operation period;
s2, dividing the domain of the interface according to the physical networking structure, and dividing the interface pipeline, wherein the interface pipeline is a transmission path corresponding to the application in the domain to which the interface belongs;
s3, making a domain bandwidth strategy for each domain, specifically operating as follows:
s31, making domain allowable bandwidth for each domain in the direction from the internal interface to the external interface and in the direction from the external interface to the internal interface;
s32, in each direction, establishing a first allowed bandwidth according to the user information;
s33, formulating a second allowable bandwidth according to the application information, wherein the second allowable bandwidth is adapted to the interface pipeline of the corresponding application;
s4, controlling the bandwidth according to the domain bandwidth strategy of the domain to which the data belongs, finishing the flow shaping by adopting a buffer area and a token bucket, dividing the data sending channel into a main channel, a sub-channel and a micro-channel, limiting the flow and burst of a certain connection flowing out of a certain network, and sending the data outwards at a relatively uniform speed;
when the transmission speed of the data is too fast, the data is buffered in the buffer area, and the buffered data is uniformly transmitted under the control of the token bucket.
Preferably, in S1, the first quantity threshold is calculated according to the uplink transmission rate, the length of the upload data packet, and the operation period of the base station, and the second quantity threshold is calculated according to the downlink transmission rate, the length of the download response data packet, the operation period of the base station, and the response frequency.
Preferably, in S2, each domain includes a set of internal interfaces and a set of external interfaces, and each set of interfaces is one or more in number.
Preferably, in S2, each interface pipe corresponds to an application.
Preferably, in S4, the specific operation of bandwidth control is as follows:
if the used bandwidth in the current direction of the domain exceeds the allowed bandwidth of the domain, discarding the data packet; if the bandwidth used by the user in the current direction of the domain exceeds the first allowed bandwidth, discarding the data packet; if the used bandwidth of the application of the domain in the current direction exceeds a second allowed bandwidth, discarding the data packet;
and if the above conditions are met, sending the data packet controlled by the bandwidth to another group of interfaces of the belonging domain.
Preferably, in S4, the buffer includes a first buffer and a second buffer, the first buffer caches the upload packet, and the second buffer caches the download response packet.
When the number of the uploaded data packets in the first buffer area is preferably larger than a first number threshold, carrying out flow shaping on the sending rate of the uploaded data packets according to the first number threshold;
and when the number of the uploading data packets in the first buffer area is not more than the first number threshold, directly sending the uploading data packets in the first buffer area.
Preferably, when the number of the download response data packets in the second buffer is greater than the second number threshold, performing traffic shaping on the sending rate of the download response data packets according to the second number threshold;
and when the quantity of the download response data packets in the second buffer area is not more than the second quantity threshold value, directly sending out the download response data packets.
Preferably, in S4, the packet is classified according to a preset matching rule, and if the packet does not have a predetermined traffic characteristic, the packet is transmitted without going through the token bucket.
Preferably, in S4, when the token bucket is full of tokens, all packets represented by tokens in the bucket may be sent, i.e. burst transmission of data is allowed;
when no token is in the token bucket, the data packet cannot be sent until a new token is generated in the token bucket, namely, the traffic of the data packet can only be less than or equal to the speed of token generation, so that the purpose of limiting the traffic is achieved.
The technical scheme of the invention has the following beneficial technical effects:
firstly, calculating a first quantity threshold value of a base station for sending an uploading data packet and a second quantity threshold value of a base station for sending a downloading response data packet in each operation period; then, carrying out domain division on the interface according to a physical networking structure, and carrying out interface pipeline division on the interface, wherein the interface pipeline is a transmission path corresponding to application in a domain to which the interface belongs; then, a domain bandwidth strategy is established for each domain; finally, bandwidth control is carried out according to a domain bandwidth strategy of a domain to which the data belongs, flow shaping is completed by adopting a buffer area and a token bucket, a data sending channel is divided into a main channel, a sub-channel and a micro-channel, the flow and burst of a certain connection flowing out of a certain network are limited, and the data are sent outwards at a relatively uniform speed;
the invention optimizes the bandwidth management method, realizes the hierarchical flow shaping through a main channel, a sub-channel and a micro-channel triple nested channel management mechanism and a hierarchical borrowing mechanism, meets the bandwidth management requirement of fine granularity of a user, fully considers the characteristic of data transmission of the base station, divides the data in the user and each air interface bearing under the user in the base station into an uploading type and a downloading type, adopts different shaping mechanisms, well solves the shaping and the speed promotion of data flow during concurrent service, ensures the stability of data transmission, simplifies the algorithm and has excellent use effect.
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Fig. 1 is a flowchart of a bandwidth fine granularity management method based on multi-channel hierarchical traffic shaping according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, the bandwidth fine-grained management method based on multi-channel hierarchical traffic shaping provided by the present invention includes the following steps:
s1, calculating a first quantity threshold value of the uploading data packets and a second quantity threshold value of the downloading response data packets sent by the base station in each operation period;
s2, dividing the domain of the interface according to the physical networking structure, and dividing the interface pipeline, wherein the interface pipeline is a transmission path corresponding to the application in the domain to which the interface belongs;
s3, making a domain bandwidth strategy for each domain, specifically operating as follows:
s31, making domain allowable bandwidth for each domain in the direction from the internal interface to the external interface and in the direction from the external interface to the internal interface;
s32, in each direction, establishing a first allowed bandwidth according to the user information;
s33, formulating a second allowable bandwidth according to the application information, wherein the second allowable bandwidth is adapted to the interface pipeline of the corresponding application;
s4, controlling the bandwidth according to the domain bandwidth strategy of the domain to which the data belongs, finishing the flow shaping by adopting a buffer area and a token bucket, dividing the data sending channel into a main channel, a sub-channel and a micro-channel, limiting the flow and burst of a certain connection flowing out of a certain network, and sending the data outwards at a relatively uniform speed;
when the transmission speed of the data is too fast, the data is buffered in the buffer area, and the buffered data is uniformly transmitted under the control of the token bucket.
In an alternative embodiment, in S1, the first quantity threshold is calculated according to the uplink transmission rate, the length of the upload data packet, and the operation period of the base station, and the second quantity threshold is calculated according to the downlink transmission rate, the length of the download response data packet, the operation period of the base station, and the response frequency.
In an alternative embodiment, in S2, any domain includes a set of internal interfaces and a set of external interfaces, and each set of interfaces is one or more in number; each interface pipe corresponds to an application.
In an alternative embodiment, in S4, the specific operation of bandwidth control is as follows: if the used bandwidth in the current direction of the domain exceeds the allowed bandwidth of the domain, discarding the data packet; if the bandwidth used by the user in the current direction of the domain exceeds the first allowed bandwidth, discarding the data packet; if the used bandwidth of the application of the domain in the current direction exceeds a second allowed bandwidth, discarding the data packet; and if the above conditions are met, sending the data packet controlled by the bandwidth to another group of interfaces of the belonging domain.
In an alternative embodiment, in S4, the buffer includes a first buffer and a second buffer, the first buffer caches the upload packet, and the second buffer caches the download response packet; when the number of the uploaded data packets in the first buffer area is larger than a first number threshold, carrying out flow shaping on the sending rate of the uploaded data packets according to the first number threshold; when the number of the uploaded data packets in the first buffer area is not larger than a first number threshold, the uploaded data packets in the first buffer area are directly sent out; when the number of the download response data packets in the second buffer area is larger than a second number threshold, carrying out flow shaping on the sending rate of the download response data packets according to the second number threshold; and when the quantity of the download response data packets in the second buffer area is not more than the second quantity threshold value, directly sending out the download response data packets.
In an alternative embodiment, in S4, the data packet is classified according to a preset matching rule, and if the data packet does not specify the traffic characteristics, the data packet is sent directly and does not need to be processed by the token bucket.
In an alternative embodiment, in S4, when the token bucket is full of tokens, all packets represented by tokens in the bucket may be sent, i.e., allowing for burst transmission of data; when no token is in the token bucket, the data packet cannot be sent until a new token is generated in the token bucket, namely, the traffic of the data packet can only be less than or equal to the speed of token generation, so that the purpose of limiting the traffic is achieved.
In the invention, a first quantity threshold value of sending an upload data packet and a second quantity threshold value of sending a download response data packet by a base station in each operation period are calculated, the first quantity threshold value is calculated according to an uplink transmission rate, the length of the upload data packet and the operation period of the base station, and the second quantity threshold value is calculated according to a downlink transmission rate, the length of the download response data packet, the operation period of the base station and response frequency;
then, domain division is carried out on the interface according to a physical networking structure, and interface pipeline division is carried out on the interface, wherein the interface pipeline is a transmission path of corresponding application in the domain to which the interface belongs, and each interface pipeline corresponds to one application; any domain comprises a group of internal interfaces and a group of external interfaces, and the number of the interfaces in each group is one or more;
then, a domain bandwidth strategy is formulated for each domain, domain allowable bandwidth is formulated for each domain in the direction from an internal interface to an external interface and in the direction from the external interface to the internal interface, a first allowable bandwidth is formulated in each direction according to user information, a second allowable bandwidth is formulated according to application information, and the second allowable bandwidth is adapted to an interface pipeline of corresponding application;
finally, bandwidth control is carried out according to a domain bandwidth strategy of a domain to which the data belongs, flow shaping is completed by adopting a buffer area and a token bucket, the buffer area comprises a first buffer area and a second buffer area, an uploading data packet is cached in the first buffer area, a downloading response data packet is cached in the second buffer area, a data sending channel is divided into a main channel, a sub-channel and a micro-channel, the flow and burst flowing out of a certain connection of a certain network are limited, and the data are sent outwards at a relatively uniform speed; when the sending speed of the data is too high, the data is cached in a buffer area, and the cached data is evenly sent under the control of a token bucket;
the invention optimizes the bandwidth management method, realizes the hierarchical flow shaping through a main channel, a sub-channel and a micro-channel triple nested channel management mechanism and a hierarchical borrowing mechanism, meets the bandwidth management requirement of fine granularity of a user, fully considers the characteristic of data transmission of the base station, divides the data in the user and each air interface bearing under the user in the base station into an uploading type and a downloading type, adopts different shaping mechanisms, well solves the shaping and the speed promotion of data flow during concurrent service, ensures the stability of data transmission, simplifies the algorithm and has excellent use effect.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A bandwidth fine-grained management method based on multi-channel hierarchical traffic shaping is characterized by comprising the following steps:
s1, calculating a first quantity threshold value of the uploading data packets and a second quantity threshold value of the downloading response data packets sent by the base station in each operation period;
s2, dividing the domain of the interface according to the physical networking structure, and dividing the interface pipeline, wherein the interface pipeline is a transmission path corresponding to the application in the domain to which the interface belongs;
s3, making a domain bandwidth strategy for each domain, specifically operating as follows:
s31, making domain allowable bandwidth for each domain in the direction from the internal interface to the external interface and in the direction from the external interface to the internal interface;
s32, in each direction, establishing a first allowed bandwidth according to the user information;
s33, formulating a second allowable bandwidth according to the application information, wherein the second allowable bandwidth is adapted to the interface pipeline of the corresponding application;
s4, controlling the bandwidth according to the domain bandwidth strategy of the domain to which the data belongs, finishing the flow shaping by adopting a buffer area and a token bucket, dividing the data sending channel into a main channel, a sub-channel and a micro-channel, limiting the flow and burst of a certain connection flowing out of a certain network, and sending the data outwards at a relatively uniform speed;
when the transmission speed of the data is too fast, the data is buffered in the buffer area, and the buffered data is uniformly transmitted under the control of the token bucket.
2. The method for bandwidth fine-grained management based on multichannel hierarchical traffic shaping according to claim 1, wherein in S1, the first quantity threshold is calculated according to an uplink transmission rate, an upload packet length, and a base station operation period, and the second quantity threshold is calculated according to a downlink transmission rate, a download response packet length, a base station operation period, and a response frequency.
3. The method for bandwidth fine-grained management based on multi-channel hierarchical traffic shaping according to claim 1, wherein in S2, any domain includes a set of internal interfaces and a set of external interfaces, and the number of interfaces in each set is one or more.
4. The method for bandwidth fine-grained management based on multi-channel hierarchical traffic shaping as claimed in claim 1, wherein in S2, each interface pipe corresponds to an application.
5. The method for bandwidth fine-grained management based on multi-channel hierarchical traffic shaping according to claim 1, wherein in S4, the specific operations of bandwidth control are as follows:
if the used bandwidth in the current direction of the domain exceeds the allowed bandwidth of the domain, discarding the data packet; if the bandwidth used by the user in the current direction of the domain exceeds the first allowed bandwidth, discarding the data packet; if the used bandwidth of the application of the domain in the current direction exceeds a second allowed bandwidth, discarding the data packet;
and if the above conditions are met, sending the data packet controlled by the bandwidth to another group of interfaces of the belonging domain.
6. The method for bandwidth fine-grained management based on multi-channel hierarchical traffic shaping as claimed in claim 1, wherein in S4, the buffer comprises a first buffer and a second buffer, the first buffer caches the upload packet, and the second buffer caches the download response packet.
7. The method according to claim 6, wherein when the number of the uploaded packets in the first buffer is greater than the first number threshold, the method performs traffic shaping on the sending rate of the uploaded packets according to the first number threshold;
and when the number of the uploading data packets in the first buffer area is not more than the first number threshold, directly sending the uploading data packets in the first buffer area.
8. The method according to claim 6, wherein when the number of the download reply packets in the second buffer is greater than a second number threshold, the method performs traffic shaping on the sending rate of the download reply packets according to the second number threshold;
and when the quantity of the download response data packets in the second buffer area is not more than the second quantity threshold value, directly sending out the download response data packets.
9. The method for bandwidth fine granularity management based on multi-channel hierarchical traffic shaping as claimed in claim 1, wherein in S4, the data packet is classified according to a preset matching rule, and if the data packet does not have specified traffic characteristics, the data packet is directly sent on without being processed by the token bucket.
10. The method for bandwidth fine-grained management based on multi-channel hierarchical traffic shaping as claimed in claim 1, wherein in S4, when the token bucket is full of tokens, all packets represented by tokens in the bucket can be sent, i.e. burst transmission of data is allowed;
when no token is in the token bucket, the data packet cannot be sent until a new token is generated in the token bucket, namely, the traffic of the data packet can only be less than or equal to the speed of token generation, so that the purpose of limiting the traffic is achieved.
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| CN101127721A (en) * | 2007-09-13 | 2008-02-20 | 杭州华三通信技术有限公司 | Bandwidth control method and bandwidth control device |
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