CN102201966A - 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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- CN102201966A CN102201966A CN2010101326560A CN201010132656A CN102201966A CN 102201966 A CN102201966 A CN 102201966A CN 2010101326560 A CN2010101326560 A CN 2010101326560A CN 201010132656 A CN201010132656 A CN 201010132656A CN 102201966 A CN102201966 A CN 102201966A
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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
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 the prior art, the Network data flow need be transmitted by node storages at different levels in the network, and in repeating process, the discharge model of Network data flow will change, and indexs such as burst, shake can reduce.Video traffic such as IP based network, transmit through the storage of node on the way from the data flow that the video source end sends, indexs such as its burst, shake can reduce, and have exceeded the caching process ability of receiving terminal, cause occurring the problem that packet loss, mosaic etc. influence video quality.And for example the speech business of IP based network or TDM (Time Division Multiplexed, time division multiplexing) business data flow is after transmitting through the network intermediate node, and indexs such as the burst of business data flow, shake also can reduce, thereby influence speech quality.Prior art can remain its discharge model can not guarantee that the Network data flow is transmitted by intermediate node in network after.
For guaranteeing that the critical network business is not subjected to the influence of problems such as network delay and obstruction, Qos (Qualityof Service, service quality) technology is arisen at the historic moment, the Qos technology can be at network over loading or when congested, guarantee the influence that the critical network business data flow is not postponed or abandoned, guarantee the efficient operation of network simultaneously.Existing Qos technology normally is provided with different priority for different Networks, and having in the transmission course of Network packet of high priority can be by the priority allocation bandwidth, thus Qos indexs such as the burst of assurance critical network business and shake.Existing Qos technology is only by being provided with the service quality that priority is guaranteed the critical network business for Network, might not guarantee to distribute enough bandwidth into important Network, thereby can not guarantee the service quality of critical network business, also might cause the waste of bandwidth in addition for important Network distributes too much bandwidth.
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, provide enough bandwidth with assurance for important Network, thereby guarantee the service quality of critical network business, and avoid causing the waste of bandwidth.
The embodiment of the invention provides a kind of Network method of data flow control, and described method comprises: the Network packet of accepting to comprise the bandwidth control information; According to the bandwidth control information that comprises in the described Network packet, adjust the bandwidth of described Network; Send described Network packet according to adjusted bandwidth.
The embodiment of the invention also provides a kind of Network data flow control device, and described device comprises: the Data Receiving unit is used to accept to comprise the Network packet of bandwidth control information; The bandwidth adjustment unit is used for the bandwidth control information that comprises according to described Network packet, adjusts the bandwidth of described Network; Data transmission unit is used for sending described Network packet according to adjusted bandwidth.
The embodiment of the invention also provides a kind of Network data flow control system, described system comprises: the data source end, data forwarding end and data receiver, the data flow that described data source end sends is forwarded to described data receiver by described data forwarding end, described data forwarding end comprises: the Data Receiving unit is used to accept to comprise the Network packet of bandwidth control information; The bandwidth adjustment unit is used for the bandwidth control information that comprises according to described Network packet, adjusts the bandwidth of described Network; Data transmission unit is used for sending described Network packet according to adjusted bandwidth.
The embodiment of the invention is by carrying the bandwidth control information in the Network packet, make the Network packet in the process of transmitting, forwarding unit can carry out the real-time and effective adjustment to the Network data flow according to the bandwidth control information, overcome in the existing Qos technology and only can adjust the Network data flow according to priority, thereby can not guarantee the Network bandwidth and may cause the defective of bandwidth waste, can guarantee provides enough bandwidth for important Network, and then guarantee the service quality of critical network business, and avoid causing the waste of bandwidth.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute 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 invention provides;
Fig. 2 is the IP datagram Wen Geshi schematic diagram that the embodiment of the invention provides;
Fig. 3 is the schematic diagram of the extended field that is used for designation data stream bandwidth that provides of the embodiment of the invention;
Fig. 4 is the forward node device data method of flow control flow chart that the embodiment of the invention provides;
Fig. 5 is a kind of Network data flow control device block diagram that the embodiment of the invention provides;
Fig. 6 is the schematic diagram that the extended field of designation data stream bandwidth is provided in two layers of Ethernet providing of the embodiment of the invention;
Fig. 7 is a kind of Network data flow control system block architecture diagram that the embodiment of the invention provides.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer,, the present invention is described in further details below in conjunction with execution mode and accompanying drawing.At this, exemplary embodiment of the present invention and explanation thereof are used to explain the present invention, but not as a limitation of the invention.
Embodiment one
Fig. 1 is a kind of Network method of data flow control flow chart that the embodiment of the 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., the Network packet can be the IP datagram literary composition, when the Network packet passes through the forward node equipment of network, forward node equipment receives the Network packet that comprises the bandwidth control information, the 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 invention provides, as shown in Figure 2, the IP datagram literary composition comprises extended field Options, extended field can define 0 or a plurality of option, each option comprises three territories, be respectively burst copied domain (copied flag), classification territory (option class) and numbering territory (option number), wherein, the burst copied domain takies 1 bit (bit), and when being used to represent burst, whether this information needs to copy in other sheets, 1 expression need be duplicated, and 0 expression does not need to duplicate; The classification territory takies 2bits, is used to represent classification, and 0 expression is controlled, debugging is represented in 1 expression reservation, 2 and measurement, 3 keeps use; The numbering territory takies 5bits, is used to represent option number.
In embodiments of the present invention, increase the definition of an extended field, be used for designation data stream bandwidth (Stream bandwidth), Fig. 3 is the schematic diagram of the extended field that is used for designation data stream bandwidth that provides of the embodiment of the invention, as shown in Figure 3, this extended field length can be decided to be 4 bytes (Bytes), also can expand as required, the preceding 8bits of extended field is used to represent three territories of option, the one bit burst copied domain is defined as 1, second, three bits classification territories are defined as 0, the the 4th to eight bits is defined as 31, the nine to 16 bits and is used to represent length (Length), and length is 4 in the present embodiment, back 16bits is bandwidth indication (Bandwidth), is unit with 64Kbps.
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).Fig. 6 is the schematic diagram that the extended field of designation data stream bandwidth is provided in two layers of Ethernet providing of the embodiment of the invention, as shown in Figure 6, increase the definition of an extended field, be used for designation data stream bandwidth (Stream bandwidth), last figure is the schematic diagram of the extended field that is used for designation data stream bandwidth that provides of the embodiment of the invention, this extended field length is decided to be 4 bytes (Bytes), the preceding 16bits of extended field is used to represent the TPID territory of option, binary system is defined as 1000100010001010, the corresponding decimal system is defined as 8885, back 16bits is bandwidth indication (Bandwidth), and span is 0～65535, is unit with 64Kbps.
S102 according to the bandwidth control information that comprises in the 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 the 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 the Network packet is synchronous driving, therefore can packet-by-packet adjusts 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 invention provides, and as shown in Figure 4, described method comprises:
S401, forward node equipment is accepted the Network packet;
S402, forward node equipment judges whether to support the bandwidth adjustment technology, if forward node equipment is not supported the bandwidth adjustment technology, then carry out step S403, the Network packet is carried out common processing, if forward node equipment is supported the bandwidth adjustment technology, then carry out step S404, judge whether comprise the bandwidth control information in the Network packet; If do not comprise the bandwidth control information in the Network packet, then carry out step S403, the Network packet is carried out common processing, if comprise the bandwidth control information in the Network packet, then carry out step S405, the bandwidth control information that from the Network packet, extracts, and according to bandwidth the bandwidth of this Network is adjusted in control information.
S103 sends described Network packet according to adjusted bandwidth.
In embodiments of the present invention, forward node equipment is transmitted described Network packet according to adjusted bandwidth.
The embodiment of the invention is by carrying the bandwidth control information in the Network packet, make the Network packet in the process of transmitting, forwarding unit can carry out the real-time and effective adjustment to the Network data flow according to the bandwidth control information, overcome in the existing Qos technology and only can adjust the Network data flow according to priority, thereby can not guarantee the Network bandwidth and may cause the defective of bandwidth waste, can guarantee provides enough bandwidth for important Network, and then guarantee the service quality of critical network business, and avoid causing the waste of bandwidth.
Embodiment two
Fig. 5 is a kind of Network data flow control device block diagram that the embodiment of the invention provides, and as shown in Figure 5, Network data flow control device 500 comprises:
In embodiments of the present invention, Network can be voice-over-net business, network video service or TDM business etc., the Network packet can be the IP datagram literary composition, when Network packet process Network data flow control device 500, Data Receiving unit 501 receives the Network packet that comprises the bandwidth control information, the 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, bandwidth adjustment unit 502 extracts the bandwidth control information of carrying from the 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 the Network packet is synchronous driving, therefore can packet-by-packet adjusts bandwidth, thereby improve the sensitivity that bandwidth is adjusted.
In embodiments of the present invention, bandwidth adjustment unit 502 can comprise the bandwidth adjusting module, is used for the bandwidth parameter that comprises according to described Network packet, adjusts the bandwidth of described Network.
In embodiments of the present invention, data transmission unit 503 is transmitted described Network packet according to adjusted bandwidth.
The embodiment of the invention is by carrying the bandwidth control information in the Network packet, make the Network packet in the process of transmitting, forwarding unit can carry out the real-time and effective adjustment to the Network data flow according to the bandwidth control information, overcome in the existing Qos technology and only can adjust the Network data flow according to priority, thereby can not guarantee the Network bandwidth and may cause the defective of bandwidth waste, can guarantee provides enough bandwidth for important Network, and then guarantee the service quality of critical network business, and avoid causing the waste of bandwidth.
Embodiment three
Fig. 7 is a kind of Network data flow control system block architecture diagram that the embodiment of the invention provides, as shown in Figure 7, Network data flow control system 700 comprises: data source end 701, data forwarding end 702 and data receiver 703, the data flow that data source end 701 sends is forwarded to data receiver 703 by data forwarding end 702, wherein data forwarding end 702 can be the Network data flow control device 500 described in the embodiment two, so do not repeat them here.
The embodiment of the invention is by carrying the bandwidth control information in the Network packet, make the Network packet in the process of transmitting, forwarding unit can carry out the real-time and effective adjustment to the Network data flow according to the bandwidth control information, overcome in the existing Qos technology and only can adjust the Network data flow according to priority, thereby can not guarantee the Network bandwidth and may cause the defective of bandwidth waste, can guarantee provides enough bandwidth for important Network, and then guarantee the service quality of critical network business, and avoid causing the waste of bandwidth.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a Network method of data flow control is characterized in that, described method comprises:
Acceptance comprises the Network packet of bandwidth control information;
According to the bandwidth control information that comprises in the described Network packet, adjust the bandwidth of described Network;
Send described Network packet according to adjusted bandwidth.
2. Network method of data flow control according to claim 1 is characterized in that, described Network packet is the IP datagram literary composition.
3. Network method of data flow control according to claim 1 is characterized in that described bandwidth control information comprises the bandwidth parameter of described Network.
4. Network method of data flow control according to claim 3 is characterized in that, described bandwidth parameter comprises the burst and the jitter parameter of Network data flow.
5. Network method of data flow control according to claim 3, it is characterized in that, described according to the bandwidth control information that comprises in the described Network packet, the bandwidth of adjusting described Network comprises: according to the bandwidth parameter that comprises in the described Network packet, adjust the bandwidth of described Network.
6. a Network data flow control device is characterized in that, described device comprises:
The Data Receiving unit is used to accept to comprise the Network packet of bandwidth control information;
The bandwidth adjustment unit is used for the bandwidth control information that comprises according to described Network packet, adjusts the bandwidth of described Network;
Data transmission unit is used for sending described Network packet according to adjusted bandwidth.
7. Network data flow control device according to claim 6 is characterized in that, described Network packet is the IP datagram literary composition.
8. Network data flow control device according to claim 6 is characterized in that described bandwidth control information comprises the bandwidth parameter of described Network.
9. Network data flow control device according to claim 8 is characterized in that, described bandwidth parameter comprises the burst and the jitter parameter of Network data flow.
10. Network data flow control device according to claim 8 is characterized in that, described bandwidth adjustment unit comprises:
The bandwidth adjusting module is used for the bandwidth parameter that comprises according to described Network packet, adjusts the bandwidth of described Network.
11. Network data flow control system, it is characterized in that, described system comprises: the data source end, data forwarding end and data receiver, the data flow that described data source end sends is forwarded to described data receiver by described data forwarding end, and wherein said data forwarding end comprises:
The Data Receiving unit is used to accept to comprise the Network packet of bandwidth control information;
The bandwidth adjustment unit is used for the bandwidth control information that comprises according to described Network packet, adjusts the bandwidth of described Network;
Data transmission unit is used for sending described Network packet according to adjusted bandwidth.
12. Network data flow control system according to claim 11 is characterized in that described bandwidth control information comprises the bandwidth parameter of described Network.
13. Network data flow control system according to claim 12 is characterized in that, described bandwidth parameter comprises the burst and the jitter parameter of Network data flow.
14. Network data flow control system according to claim 12 is characterized in that, described bandwidth adjustment unit comprises:
The bandwidth adjusting module is used for the bandwidth parameter that comprises according to described Network packet, adjusts the bandwidth of described Network.
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 |
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| CN201010132656.0A CN102201966B (en) | 2010-03-24 | 2010-03-24 | Method, device and system for controlling network service data flow |
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| CN102201966A true CN102201966A (en) | 2011-09-28 |
| CN102201966B CN102201966B (en) | 2014-07-30 |
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| WO (1) | WO2011116698A1 (en) |
Cited By (8)
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| CN105704061A (en) * | 2014-11-27 | 2016-06-22 | 中国移动通信集团江苏有限公司 | Transmission rate control method and equipment |
| CN106161171A (en) * | 2015-03-23 | 2016-11-23 | 中兴通讯股份有限公司 | A kind of method and apparatus setting up Network example |
| CN106452958A (en) * | 2016-09-30 | 2017-02-22 | 中国联合网络通信集团有限公司 | Flow control method and system, and centralized controller |
| WO2018010639A1 (en) * | 2016-07-14 | 2018-01-18 | Huawei Technologies Co., Ltd. | Method to provide high throughput transport by ip network channel associated signaling system |
| CN111385081A (en) * | 2020-02-20 | 2020-07-07 | 视联动力信息技术股份有限公司 | End-to-end communication method, device, electronic equipment and medium |
| WO2021214599A1 (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 |
Families Citing this family (1)
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| 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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Also Published As
| Publication number | Publication date |
|---|---|
| WO2011116698A1 (en) | 2011-09-29 |
| CN102201966B (en) | 2014-07-30 |
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