CN102201966B - Method, device and system for controlling network service data flow - Google Patents
Method, device and system for controlling network service data flow Download PDFInfo
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- CN102201966B CN102201966B CN201010132656.0A CN201010132656A CN102201966B CN 102201966 B CN102201966 B CN 102201966B CN 201010132656 A CN201010132656 A CN 201010132656A CN 102201966 B CN102201966 B CN 102201966B
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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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Abstract
The invention relates to a method, device and system for controlling the network service data flow. The method comprises the following steps: receiving a network service data packet including bandwidth control information; adjusting the bandwidth of the network service according to the bandwidth control information included in the network service data packet; and sending the network service data packet according to the adjusted bandwidth. According to the embodiment of the invention, the bandwidth control information is carried in the network service data packet so that a forwarding device can perform real-time effective adjustment on the network service data flow according to the bandwidth control information in the forwarding process of the network service data flow, the defects that the network service bandwidth cannot be guaranteed and bandwidth waste is possible because the existing QoS (quality of service) technology only can adjust the network service data flow according to priority are overcome, and enough bandwidth can be provided for important network services for sure, thereby ensuring the QoS of important network services and avoiding bandwidth waste.
Description
Technical field
The present invention relates to communication technical field, is about a kind of Network method of data flow control, Apparatus and system specifically.
Background technology
Along with the fast development of network technology, Network is also more and more higher to the transmission quality requirements of data flow, and for example voice-over-net business and network video service, all have higher requirement to indexs such as the burst of data flow, shakes.In prior art, Network data flow need to be by node storage forwardings at different levels in network, and in repeating process, the discharge model of Network data flow will change, and the indexs such as burst, shake can reduce.Video traffic such as IP based network, the data flow sending from video source is through the storage forwarding of node on the way, the indexs such as its burst, shake can reduce, and have exceeded the caching process ability of receiving terminal, cause occurring that packet loss, mosaic etc. affect the problem of video quality.The speech business of IP based network or TDM (Time Division Multiplexed and for example, time division multiplexing) business data flow is after nodes forwards, the indexs such as the burst of business data flow, shake also can reduce, thereby affect speech quality.Prior art can remain its discharge model after can not guaranteeing that Network data flow forwards by intermediate node in network.
For guaranteeing that critical network business is not subject to the impact of the problems such as network delay and obstruction, Qos (Qualityof Service, service quality) technology is arisen at the historic moment, Qos technology can be at network over loading or when congested, guarantee the impact that critical network business data flow is not postponed or abandoned, guaranteeing the efficient operation of network simultaneously.Existing Qos technology normally arranges different priority for different Networks, and having in the transmitting procedure of Network packet of high priority can be by priority allocation bandwidth, thereby guarantees the Qos indexs such as the burst of critical network business and shake.Existing Qos technology is only by arranging the service quality that priority is guaranteed critical network business for Network, might not guarantee to distribute enough bandwidth for important Network, thereby can not guarantee the service quality of critical network business, also likely can, for important Network distributes too much bandwidth, cause the waste of bandwidth in addition.
Summary of the invention
For overcoming problems of the prior art, the invention provides a kind of Network method of data flow control, Apparatus and system, take and guarantee to provide enough bandwidth as important Network, thereby guarantee the service quality of critical network business, and avoid causing the waste of bandwidth.
The embodiment of the present invention provides a kind of Network method of data flow control, and described method comprises: the Network packet of accepting to comprise bandwidth control information; The bandwidth control information comprising according to described Network packet, adjusts the bandwidth of described Network; According to the bandwidth after adjusting, send described Network packet.
The embodiment of the present invention also provides a kind of Network data flow control device, and described device comprises: data receiver unit, for accepting to comprise the Network packet of bandwidth control information; Bandwidth adjustment unit, for the bandwidth control information comprising according to described Network packet, adjusts the bandwidth of described Network; Data transmission unit, for sending described Network packet according to the bandwidth after adjusting.
The embodiment of the present invention also provides a kind of Network data flow control system, described system comprises: data source, data retransmission end and data receiver, the data flow that described data source sends is forwarded to described data receiver by described data retransmission end, described data retransmission end comprises: data receiver unit, for accepting to comprise the Network packet of bandwidth control information; Bandwidth adjustment unit, for the bandwidth control information comprising according to described Network packet, adjusts the bandwidth of described Network; Data transmission unit, for sending described Network packet according to the bandwidth after adjusting.
The embodiment of the present invention by carrying bandwidth control information in Network packet, make Network packet in the process forwarding, forwarding unit can carry out effectively adjusting in real time to Network data flow according to bandwidth control information, overcome in existing Qos technology and only can to Network data flow, adjust according to priority, thereby can not guarantee Network bandwidth and may cause the defect of bandwidth waste, can guarantee provides enough bandwidth for important Network, and then the service quality of assurance critical network business, and avoid causing the waste of bandwidth.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, does not form limitation of the invention.In the accompanying drawings:
Fig. 1 is a kind of Network method of data flow control flow chart that the embodiment of the present invention provides;
Fig. 2 is the IP datagram Wen Geshi schematic diagram that the embodiment of the present invention provides;
Fig. 3 is the schematic diagram of the extended field that is used to indicate data stream bandwidth that provides of the embodiment of the present invention;
Fig. 4 is the forward node device data method of flow control flow chart that the embodiment of the present invention provides;
Fig. 5 is a kind of Network data flow control device block diagram that the embodiment of the present invention provides;
The schematic diagram of the extended field of data stream bandwidth is provided in two layers of Ethernet providing of the embodiment of the present invention Fig. 6;
Fig. 7 is a kind of Network data flow control system block architecture diagram that the embodiment of the present invention provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with execution mode and accompanying drawing, the present invention is described in further details.At this, exemplary embodiment of the present invention and explanation thereof are used for explaining the present invention, but not as a limitation of the invention.
Embodiment mono-
Fig. 1 is a kind of Network method of data flow control flow chart that the embodiment of the present invention provides, and as shown in Figure 1, described method comprises:
S101, acceptance comprises the Network packet of bandwidth control information;
In embodiments of the present invention, Network can be voice-over-net business, network video service or TDM business etc., Network packet can be IP datagram literary composition, when Network packet passes through the forward node equipment of network, forward node equipment receives the Network packet that comprises bandwidth control information, bandwidth control information can be the bandwidth parameter of Network, and bandwidth parameter can comprise the parameter burst of Network data flow and jitter parameter etc.
In embodiments of the present invention, Fig. 2 is the IP datagram Wen Geshi schematic diagram that the embodiment of the present invention provides, as shown in Figure 2, IP datagram literary composition comprises extended field Options, extended field can define 0 or a plurality of option, each option comprises three territories, respectively burst copied domain (copied flag), classification territory (option class) and numbering territory (option number), wherein, burst copied domain takies 1 bit (bit), and when representing burst, whether this information needs to copy in other sheets, 1 represents to copy, and 0 represents not need to copy; Classification territory takies 2bits, and for representing classification, 0 represents that control, 1 represents that reservation, 2 represents that debugging and measurement, 3 retain use; Numbering territory takies 5bits, for representing option number.
In embodiments of the present invention, increase the definition of an extended field, be used to indicate data stream bandwidth (Stream bandwidth), Fig. 3 is the schematic diagram of the extended field that is used to indicate data stream bandwidth that provides of the embodiment of the present invention, as shown in Figure 3, this extended field length can be decided to be 4 bytes (Bytes), also can expand as required, the front 8bits of extended field is for representing three territories of option, the one bit burst copied domain is defined as 1, second, three bits classification territories are defined as 0, the 4th to eight bits are defined as 31, the 9th to 16 bits are used for representing length (Length), length is 4 in the present embodiment, rear 16bits is bandwidth indication (Bandwidth), take 64Kbps as unit.
In another embodiment of the present invention, in two layers of Ethernet, can realize the object of the invention according to TPID (Tag ProtocolIdentifier, Tag protocol-identifier) and TCI (Tag Control Information, Tag control information).The schematic diagram of the extended field of data stream bandwidth is provided in two layers of Ethernet providing of the embodiment of the present invention Fig. 6, as shown in Figure 6, increase the definition of an extended field, be used to indicate data stream bandwidth (Stream bandwidth), upper figure is the schematic diagram of the extended field that is used to indicate data stream bandwidth that provides of the embodiment of the present invention, this extended field length is decided to be 4 bytes (Bytes), the front 16bits of extended field is for representing the TPID territory of option, binary system is defined as 1000100010001010, the corresponding decimal system is defined as 8885, rear 16bits is bandwidth indication (Bandwidth), span is 0～65535, take 64Kbps as unit.
S102, the bandwidth control information comprising according to described Network packet, adjusts the bandwidth of described Network;
In embodiments of the present invention, forward node equipment extracts the bandwidth control information of carrying from Network packet, and the bandwidth of this Network is adjusted in control information according to bandwidth.Because the business datum in bandwidth control information and Network packet is synchronous driving, therefore can packet-by-packet adjust bandwidth, thereby improve the sensitivity that bandwidth is adjusted.
In embodiments of the present invention, Fig. 4 is the forward node device data method of flow control flow chart that the embodiment of the present invention provides, and as shown in Figure 4, described method comprises:
S401, forward node equipment is accepted Network packet;
S402, forward node equipment judges whether to support bandwidth adjustment technology, if forward node equipment is not supported bandwidth adjustment technology, carry out step S403, Network packet is carried out to common processing, if forward node equipment is supported bandwidth adjustment technology, carry out step S404, judge in Network packet, whether to comprise bandwidth control information; If do not comprise bandwidth control information in Network packet, carry out step S403, Network packet is carried out to common processing, if comprise bandwidth control information in Network packet, carry out step S405, the bandwidth control information extracting from Network packet, and the bandwidth of this Network is adjusted in control information according to bandwidth.
S103, sends described Network packet according to the bandwidth after adjusting.
In embodiments of the present invention, forward node equipment forwards described Network packet according to the bandwidth after adjusting.
The embodiment of the present invention by carrying bandwidth control information in Network packet, make Network packet in the process forwarding, forwarding unit can carry out effectively adjusting in real time to Network data flow according to bandwidth control information, overcome in existing Qos technology and only can to Network data flow, adjust according to priority, thereby can not guarantee Network bandwidth and may cause the defect of bandwidth waste, can guarantee provides enough bandwidth for important Network, and then the service quality of assurance critical network business, and avoid causing the waste of bandwidth.
Embodiment bis-
Fig. 5 is a kind of Network data flow control device block diagram that the embodiment of the present invention provides, and as shown in Figure 5, Network data flow control device 500 comprises:
Data receiver unit 501, for accepting to comprise the Network packet of bandwidth control information;
In embodiments of the present invention, Network can be voice-over-net business, network video service or TDM business etc., Network packet can be IP datagram literary composition, when Network packet process Network data flow control device 500, data receiver unit 501 receives the Network packet that comprises bandwidth control information, bandwidth control information can be the bandwidth parameter of Network, and bandwidth parameter can comprise the parameter burst of Network data flow and jitter parameter etc.
Bandwidth adjustment unit 502, for the bandwidth control information comprising according to Network packet, adjusts the bandwidth of Network;
In embodiments of the present invention, bandwidth adjustment unit 502 extracts the bandwidth control information of carrying from Network packet, and the bandwidth of this Network is adjusted in control information according to bandwidth.Because the business datum in bandwidth control information and Network packet is synchronous driving, therefore can packet-by-packet adjust bandwidth, thereby improve the sensitivity that bandwidth is adjusted.
In embodiments of the present invention, bandwidth adjustment unit 502 can comprise bandwidth adjusting module, for the bandwidth parameter comprising according to described Network packet, adjusts the bandwidth of described Network.
Data transmission unit 503, for sending Network packet according to the bandwidth after adjusting.
In embodiments of the present invention, data transmission unit 503 forwards described Network packet according to the bandwidth after adjusting.
The embodiment of the present invention by carrying bandwidth control information in Network packet, make Network packet in the process forwarding, forwarding unit can carry out effectively adjusting in real time to Network data flow according to bandwidth control information, overcome in existing Qos technology and only can to Network data flow, adjust according to priority, thereby can not guarantee Network bandwidth and may cause the defect of bandwidth waste, can guarantee provides enough bandwidth for important Network, and then the service quality of assurance critical network business, and avoid causing the waste of bandwidth.
Embodiment tri-
Fig. 7 is a kind of Network data flow control system block architecture diagram that the embodiment of the present invention provides, as shown in Figure 7, Network data flow control system 700 comprises: data source 701, data retransmission end 702 and data receiver 703, the data flow that data source 701 sends is forwarded to data receiver 703 by data retransmission end 702, wherein data retransmission end 702 can be the Network data flow control device 500 described in embodiment bis-, therefore do not repeat them here.
The embodiment of the present invention by carrying bandwidth control information in Network packet, make Network packet in the process forwarding, forwarding unit can carry out effectively adjusting in real time to Network data flow according to bandwidth control information, overcome in existing Qos technology and only can to Network data flow, adjust according to priority, thereby can not guarantee Network bandwidth and may cause the defect of bandwidth waste, can guarantee provides enough bandwidth for important Network, and then the service quality of assurance critical network business, and avoid causing the waste of bandwidth.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present invention; the protection range being not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. a Network method of data flow control, is characterized in that, described method comprises:
Reception comprises the Network packet of bandwidth control information;
The extended field that is used to indicate data stream bandwidth comprising according to described Network packet, adjusts the bandwidth of described Network;
According to the bandwidth after adjusting, send described Network packet.
2. Network method of data flow control according to claim 1, is characterized in that, described Network packet is IP datagram literary composition.
3. a Network data flow control device, is characterized in that, described device comprises:
Data receiver unit, for receiving the Network packet that comprises bandwidth control information;
Bandwidth adjustment unit, for the extended field that is used to indicate data stream bandwidth comprising according to described Network packet, adjusts the bandwidth of described Network;
Data transmission unit, for sending described Network packet according to the bandwidth after adjusting.
4. Network data flow control device according to claim 3, is characterized in that, described Network packet is IP datagram literary composition.
5. a Network data flow control system, it is characterized in that, described system comprises: data source, data retransmission end and data receiver, the data flow that described data source sends is forwarded to described data receiver by described data retransmission end, and wherein said data retransmission end comprises:
Data receiver unit, for receiving the Network packet that comprises bandwidth control information;
Bandwidth adjustment unit, for the extended field that is used to indicate data stream bandwidth comprising according to described Network packet, adjusts the bandwidth of described Network;
Data transmission unit, for sending described Network packet according to the bandwidth after adjusting.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010132656.0A CN102201966B (en) | 2010-03-24 | 2010-03-24 | Method, device and system for controlling network service data flow |
| PCT/CN2011/072104 WO2011116698A1 (en) | 2010-03-24 | 2011-03-24 | Method, apparatus and system for controlling data flows of network service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010132656.0A CN102201966B (en) | 2010-03-24 | 2010-03-24 | Method, device and system for controlling network service data flow |
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| Publication Number | Publication Date |
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| CN102201966A CN102201966A (en) | 2011-09-28 |
| CN102201966B true CN102201966B (en) | 2014-07-30 |
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| CN201010132656.0A Active CN102201966B (en) | 2010-03-24 | 2010-03-24 | Method, device and system for controlling network service data flow |
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| WO (1) | WO2011116698A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105704061B (en) * | 2014-11-27 | 2019-02-26 | 中国移动通信集团江苏有限公司 | A kind of method of controlling transmission rate and equipment |
| CN106161171B (en) * | 2015-03-23 | 2020-01-10 | 中兴通讯股份有限公司 | Method and device for establishing network service instance |
| US20180019952A1 (en) * | 2016-07-14 | 2018-01-18 | Futurewei Technologies, Inc. | Method to Provide High Throughput Transport by IP Network Channel Associated Signaling System |
| CN106452958B (en) * | 2016-09-30 | 2020-04-07 | 中国联合网络通信集团有限公司 | Flow control method, system and centralized controller |
| CN111385081B (en) * | 2020-02-20 | 2024-03-29 | 视联动力信息技术股份有限公司 | End-to-end communication method and device, electronic equipment and medium |
| US20210336889A1 (en) * | 2020-04-23 | 2021-10-28 | International Business Machines Corporation | Artificial-intelligence-driven quality-of-service engine |
| CN114205305A (en) * | 2020-09-18 | 2022-03-18 | 华为技术有限公司 | Data transmission method and related equipment |
| WO2022198582A1 (en) * | 2021-03-25 | 2022-09-29 | 华为技术有限公司 | Data processing method and apparatus |
| CN113328879B (en) * | 2021-05-21 | 2022-08-23 | 西北工业大学 | Cloud data center network QoS (quality of service) guaranteeing method based on network calculus |
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| CN1422042A (en) * | 2001-11-30 | 2003-06-04 | 深圳市中兴通讯股份有限公司上海第二研究所 | Communication network bandwidth controlling method |
| CN1567828A (en) * | 2003-06-18 | 2005-01-19 | 中兴通讯股份有限公司 | A method for performing speed limiting on data traffic by network processor |
| US20080159135A1 (en) * | 2006-12-29 | 2008-07-03 | Caram Bruce E | Hierarchical virtual queuing |
| CN101674244A (en) * | 2009-09-24 | 2010-03-17 | 中兴通讯股份有限公司 | Bandwidth control method, bandwidth control device and packet data network gateway |
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2010
- 2010-03-24 CN CN201010132656.0A patent/CN102201966B/en active Active
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- 2011-03-24 WO PCT/CN2011/072104 patent/WO2011116698A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1422042A (en) * | 2001-11-30 | 2003-06-04 | 深圳市中兴通讯股份有限公司上海第二研究所 | Communication network bandwidth controlling method |
| CN1567828A (en) * | 2003-06-18 | 2005-01-19 | 中兴通讯股份有限公司 | A method for performing speed limiting on data traffic by network processor |
| US20080159135A1 (en) * | 2006-12-29 | 2008-07-03 | Caram Bruce E | Hierarchical virtual queuing |
| CN101674244A (en) * | 2009-09-24 | 2010-03-17 | 中兴通讯股份有限公司 | Bandwidth control method, bandwidth control device and packet data network gateway |
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| Publication number | Publication date |
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| CN102201966A (en) | 2011-09-28 |
| WO2011116698A1 (en) | 2011-09-29 |
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