CN101005336A - Adpative jam control method and system suitable for satellite network - Google Patents
Adpative jam control method and system suitable for satellite network Download PDFInfo
- Publication number
- CN101005336A CN101005336A CN 200710062882 CN200710062882A CN101005336A CN 101005336 A CN101005336 A CN 101005336A CN 200710062882 CN200710062882 CN 200710062882 CN 200710062882 A CN200710062882 A CN 200710062882A CN 101005336 A CN101005336 A CN 101005336A
- Authority
- CN
- China
- Prior art keywords
- message
- transmitting apparatus
- receiving equipment
- information
- feedback information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Radio Relay Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The method includes steps: a transmitting device (TD) sends message to receiving device (RD); TD receives feedback information (info); if it is congestion info, then, reducing quantity of sending out message; if it is link error info, then, retransmitting lost message; if it is message acceptance acknowledgement (ACK) info, then, continuing sending message; if no feedback info is received after a prearranged period of time, then, restarting sending message. The system includes following parts: TD in use for sending message and receiving feedback info; middle gateway node in use for feeding back congestion info to TD, and discarding a certain amount of message to decelerate congestion condition; RD in use for receiving message from TD through middle gateway node, feeding back link error info through repeated ACK, and ACK info of receiving message to TD. The invention raises throughput and fairness of satellite network, and reduces transmission delay.
Description
Technical field
The present invention relates to a kind of adaptive congestion control method and system of suitable satellite network, particularly a kind of adaptive congestion control method and system that is applied in the satellite network.
Background technology
Along with the development that combines with telecommunication technology of the arrival of information globalization and multimedia technology, many new application demands have produced, as multimedia conferencing, virtual reality and computer visualization etc.They all need high speed processing and high-speed transfer as technical support.Because satellite network communication has unique function such as space spans, telecommunication and broadcasting, and can provide from the speech to data to the user, from low speed to high speed, from the single communication to the multimedia communication, from being fixed to various communication modes such as mobile, so satellite network communication is just being brought into play more and more important effect in field of wireless communications.Corresponding, network management has become the necessary component of satellite communication network.
For data transmission service more effectively is provided, reduce the interface conversion with other procotols, the application of transmission control protocol (Transmission Control Protocol is called for short TCP) in satellite communication network receives publicity.The core of TCP is a congestion control mechanism.Because the flow of router overload causes network congestion, when promptly data traffic had surpassed the buffered ability of router, router will abandon the data message section.Take place after the network congestion, except the data message section of retransmission of lost, TCP also will reduce its transmission rate, with the data traffic in the minimizing network, thereby makes router have sufficient time to the processing forward data message segment.TCP increases the capacity that transmission rate is come detection network gradually then, to avoid congested generation once more.
Fine for TCP performance in the wired network of ground that wired network designs, still, its performance is but had a strong impact in satellite network.Because the error rate of ground cable network is very low, message dropping all causes owing to link congestion.And satellite network error rate height, message dropping may cause owing to the link error code.Therefore the congested control of the TCP that designs for wired network has caused that the satellite network throughput is low, the problem of shortage fairness, can not adapt to the needs of satellite network.
Summary of the invention
The objective of the invention is to adapt to the defective of the needs of satellite network at the congested control of the TCP that designs for wired network in the prior art, a kind of adaptive congestion control method and system of suitable satellite network are provided, thereby have improved satellite network throughput and fairness.
To achieve these goals, the invention provides a kind of adaptive congestion control method of suitable satellite network, comprise the steps:
Transmitting apparatus sends message to receiving equipment;
This transmitting apparatus receives feedback information, if this feedback information is a congestion information, then this transmitting apparatus reduces the transmission quantities of messages to this receiving equipment; If this feedback information is a link error code information, then this transmitting apparatus is to the message of this receiving equipment retransmission of lost; If this feedback information is a message confirmation of receipt information, then this transmitting apparatus continues to send message to this receiving equipment;
If this transmitting apparatus is not received this feedback information after the preset time section, then this transmitting apparatus restarts to send message to this receiving equipment.
Adopt said method, distinguish the reason of message dropping by congestion information and link error code information, the message dropping that link congestion and link error code cause is handled respectively, and used complete recovery algorithms, thereby improved throughput and fairness greatly, reduced propagation delay time.
Based on the adaptive congestion control method of above-mentioned suitable satellite network, the present invention also provides a kind of adaptive congestion control system of suitable satellite network, comprising:
Transmitting apparatus is used to send message and receiving feedback information;
The mid-level net artis is used for congestion information is fed back to this transmitting apparatus and abandons a certain amount of message simultaneously to slow down congestion condition;
Receiving equipment, be used to receive message that this transmitting apparatus sends by this mid-level net artis and by duplicate acknowledgment with link error code information and message confirmation of receipt feedback information to this transmitting apparatus.
Adopt said system, by mid-level net artis feedback congestion information and receiving equipment based on feedback link error code information, make network can distinguish the reason of message dropping, realize complete recovery algorithms, can improve the throughput and the fairness of network by message traffic volume control module.
Description of drawings
Fig. 1 is the flow chart of the adaptive congestion control method embodiment 1 of a kind of suitable satellite network of the present invention;
Fig. 2 is the part flow chart of the adaptive congestion control method embodiment 2 of a kind of suitable satellite network of the present invention;
Fig. 3 is the structure chart of the adaptive congestion control system embodiment 1 of a kind of suitable satellite network of the present invention;
Fig. 4 is the structure chart of the adaptive congestion control system embodiment 2 of a kind of suitable satellite network of the present invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The invention provides a kind of adaptive congestion control method of suitable satellite network, comprise the steps:
Transmitting apparatus sends message to receiving equipment;
This transmitting apparatus receives feedback information, if this feedback information is a congestion information, then this transmitting apparatus reduces the transmission quantities of messages to this receiving equipment; If this feedback information is a link error code information, then this transmitting apparatus is to the message of this receiving equipment retransmission of lost; If this feedback information is a message confirmation of receipt information, then this transmitting apparatus continues to send message to this receiving equipment;
If this transmitting apparatus is not received this feedback information after the preset time section, then this transmitting apparatus restarts to send message to this receiving equipment.
Fig. 1 is the flow chart of this method embodiment 1, specifically comprises the steps:
Transmitting apparatus sends message by the mid-level net artis to receiving equipment, and network enters slow the startup stage.Slowly starting is a canonical algorithm in the Transmission Control Protocol, in starting slowly the message traffic volume be changed to 1,2,4,8..., be the growth pattern of an exponential form;
After the message traffic volume reaches predetermined threshold value, must reduce the message traffic volume in order to prevent the congested of link, network enters congestion avoidance phase, and the message traffic volume is that the message traffic volume is each by the additivity mode to be increased by 1 and increases.
Transmitting apparatus is judged according to the content of the feedback information that receives;
If this feedback information is the congestion information of mid-level net artis feedback, be dynamic random early drop-explicit congested announcement (Dynamic Random Early Detection-Explicit CongestionNotification, be called for short DRED-ECN) feedback, then transmitting apparatus reduces to send quantities of messages to receiving equipment, can be reduced to half of former transmission quantities of messages and send message to receiving equipment sending quantities of messages, also can will send the amount that quantities of messages is reduced to other suitable satellite network transmission with the additivity growth pattern;
If this feedback information is the link error code information of receiving equipment feedback, i.e. duplicate acknowledgment, then transmitting apparatus is to the message of receiving equipment retransmission of lost;
If this feedback information is a message confirmation of receipt information, then this transmitting apparatus continues to send message to this receiving equipment.
If transmitting apparatus is not received congestion information, link error code information or message confirmation of receipt information after the preset time section, illustrate that then network state is unknowable, so according to the most conservative method, reenter slow the startup stage, promptly transmitting apparatus is reduced to 1 and send message by the mode of exponential increase to receiving equipment with the message traffic volume.
Present embodiment has been introduced DRED-ECN feedback and duplicate acknowledgment in satellite network.If transmitting apparatus has been received the DRED-ECN feedback, illustrate that then the link in the network has taken place congested.Link error code information is made up of the message confirmation of receipt information of a plurality of repetitions, receiving terminal will send corresponding message confirmation of receipt information A CK after receiving a message, has received such as receiving terminal to send corresponding message confirmation of receipt information A CK after being numbered 87 message.If every a time period t confiscate and be numbered 88 message, receiving terminal sends 87 message confirmation of receipt information A CK once more and shows and waiting for message 88 so, time period of later every wait sends one time 87 message confirmation of receipt information A CK, and transmitting terminal receives that the message confirmation of receipt information A CK of so a plurality of repetitions is called duplicate acknowledgment.Present embodiment is distinguished the reason of message dropping by congestion information and link error code information, the message dropping that link congestion and link error code cause is handled respectively, thereby improved throughput and fairness greatly, has reduced propagation delay time.
Fig. 2 is fit to the part flow chart of the adaptive congestion control method embodiment 2 of satellite network for the present invention.Among the embodiment 2, if this feedback information is the link error code information of receiving equipment feedback, i.e. duplicate acknowledgment then is specially: according to the message of original message transmitting spped rate to the receiving equipment retransmission of lost, i.e. and the message of retransmission of lost fast; After the message of losing retransmitted, transmitting apparatus sent message according to original message transmitting spped rate and with the additivity growth pattern to receiving equipment.
In embodiment 2, equally the message dropping that link congestion and link error code are caused is handled respectively, and owing to the reason of having distinguished message dropping according to link error code information and congestion information, therefore work as system and know that the message dropping of this moment is owing to the link error code causes, just the message traffic volume is reduced, and, keep the message traffic volume constant according to complete recovery algorithms not according to conventional method, enter congestion avoidance phase, thereby can further improve throughput, reduce propagation delay time.
A kind of adaptive congestion control system of suitable satellite network also is provided based on adaptive congestion control method the present invention of above-mentioned suitable satellite network.Fig. 4 is the structure chart of the adaptive congestion control system embodiment 1 of a kind of suitable satellite network of the present invention, and system comprises: transmitting apparatus 1 further specifically comprises message sending module 11, feedback information receiver module 12; Mid-level net artis 2; Receiving equipment 3.
Transmitting apparatus 1 is used for sending message and receiving feedback information by mid-level net artis 2 to receiving equipment 3.Specifically be that message sending module 11 sends message by mid-level net artis 2 to receiving equipment 3, slow the startup stage, transmitting apparatus 1 sends messages with the exponential form growth pattern to receiving equipment 3, the message traffic volume be changed to 1,2,4,8..., be the growth of an exponential form; After the message traffic volume reaches predetermined threshold value, must reduce the message traffic volume in order to prevent the congested of link, network enters congestion avoidance phase, and transmitting apparatus 1 sends messages with the additivity growth pattern to receiving equipment 3, and promptly the message traffic volume is each increases by 1 and increases.Feedback information receiver module 12 receives the congestion information of mid-level net artis 2 feedbacks and the link error code information and the message confirmation of receipt information of receiving equipment 3 feedbacks, feedback information receiver module 12 is the DRED-ECN feedback if receive congestion information, then transmitting apparatus 1 reduces to send quantities of messages to receiving equipment 3, feedback information receiver module 12 is if receive link error code information, the message that is a plurality of repetitions is received confirmation, and then transmitting apparatus 1 is to the message of receiving equipment 3 retransmission of lost; If feedback information receiver module 12 receives message confirmation of receipt information, then transmitting apparatus 1 continues to send message to receiving equipment 3.
The adaptive congestion control system embodiment 1 that is fit to satellite network is by mid-level net artis 2 feedback congestion information and receiving equipment 3 based on feedback link error code information, make network can distinguish the reason of message dropping, the message dropping that link congestion and link error code cause is handled respectively, thereby improved the throughput and the fairness of network, reduced propagation delay time.
Fig. 5 is the structure chart of the adaptive congestion control system embodiment 2 of a kind of suitable satellite network of the present invention, and on the basis of embodiment 1, system also comprises message traffic volume control module 13, is connected with message sending module 11 and feedback information receiver module 12 respectively.The message traffic volume of the congestion information that message traffic volume control module 13 further receives according to feedback information receiver module 12, link error code information or message confirmation of receipt information Control message sending module.If feedback information receiver module 12 receives link error code information, then message traffic volume control module 13 control transmitting apparatus 1 are according to the message of original message transmitting spped rate to receiving equipment 3 retransmission of lost, it is the message of quick retransmission of lost, after the message of losing retransmitted, control transmitting apparatus 1 sent message according to original message transmitting spped rate and with the additivity growth pattern to receiving equipment 3; Feedback information receiver module 12 is if receive congestion information, and then message traffic volume control module 13 control transmitting apparatus 1 reduce to send quantities of messages to receiving equipment 3; If feedback information receiver module 12 receives message confirmation of receipt information, then message traffic volume control module 13 control transmitting apparatus 1 continue to send message to receiving equipment 3; Feedback information receiver module 12 is not if receive any information, and then message traffic volume control module 13 control transmitting apparatus 1 are reduced to 1 and send messages by the mode of exponential increase to receiving equipment 3 with the message traffic volume.
The adaptive congestion control system embodiment 2 that is fit to satellite network is handled respectively by the message dropping that 13 pairs of link congestions of message traffic volume control module and link error code cause, when system knows that the message dropping of this moment is owing to the link error code causes, just the message traffic volume is reduced not according to conventional method, and according to complete extensive algorithm, enter congestion avoidance phase, thereby can further improve throughput, reduce propagation delay time.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (9)
1. the adaptive congestion control method of a suitable satellite network wherein, comprises the steps:
Transmitting apparatus sends message to receiving equipment;
This transmitting apparatus receives feedback information, if this feedback information is a congestion information, then this transmitting apparatus reduces to measure to the transmission newspaper of this receiving equipment; If this feedback information is a link error code information, then this transmitting apparatus is to the message of this receiving equipment retransmission of lost; If this feedback information is a message confirmation of receipt information, then this transmitting apparatus continues to send message to this receiving equipment;
If this transmitting apparatus is not received this feedback information after the preset time section, then this transmitting apparatus restarts to send message to this receiving equipment.
2. the adaptive congestion control method of suitable satellite network according to claim 1, wherein, described transmitting apparatus sends message to receiving equipment and specifically comprises the steps:
Described transmitting apparatus sends message by the exponential increase mode to described receiving equipment;
The message traffic volume reaches predetermined threshold value, and described transmitting apparatus sends message by the additivity growth pattern to described receiving equipment.
3. the adaptive congestion control method of suitable satellite network according to claim 2, wherein, described transmitting apparatus reduce to this receiving equipment send quantities of messages be specially described transmitting apparatus will send newspaper measure be reduced to former transmission quantities of messages half and with the additivity growth pattern to described receiving equipment transmission message.
4. according to the adaptive congestion control method of claim 1 or 2 or 3 described suitable satellite networks, wherein, described message to this receiving equipment retransmission of lost specifically is to keep this receiving equipment of not break-in of former transmission rate to retransmit the message that this is lost.
5. the adaptive congestion control method of suitable satellite network according to claim 4, wherein, describedly comprise also that after the message of this receiving equipment retransmission of lost described transmitting apparatus is according to former message traffic volume and send the step of message to described receiving equipment with the additivity growth pattern.
6. according to the adaptive congestion control method of claim 2 or 3 described suitable satellite networks, wherein, described this transmitting apparatus restarts to send message to this receiving equipment and is specially described transmitting apparatus the message traffic volume is reduced to 1 and send message by the mode of exponential increase to described receiving equipment.
7. the adaptive congestion control system of a suitable satellite network wherein, comprising:
Transmitting apparatus is used to send message and receiving feedback information;
The mid-level net artis is used for congestion information is fed back to this transmitting apparatus and abandons a certain amount of message simultaneously to slow down congestion condition;
Receiving equipment, be used to receive message that this transmitting apparatus sends by this mid-level net artis and by duplicate acknowledgment with link error code information and message confirmation of receipt feedback information to this transmitting apparatus.
8. the adaptive congestion control system of suitable satellite network according to claim 7, wherein, described transmitting apparatus
Specifically comprise message sending module, feedback information receiver module; This message sending module is used to send message; This feedback information receiver module is used to receive described congestion information, described link error code information and described message confirmation of receipt information; This feedback information receiver module is connected with this message sending module.
9. according to the adaptive congestion control system of claim 7 or 8 described suitable satellite networks, wherein, described transmitting apparatus also comprises newspaper zhang traffic volume control module, is used for the described congestion information received according to described feedback information receiver module or the message traffic volume of described this message sending module of link error code information Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100628824A CN100505608C (en) | 2007-01-19 | 2007-01-19 | Adpative jam control method and system suitable for satellite network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100628824A CN100505608C (en) | 2007-01-19 | 2007-01-19 | Adpative jam control method and system suitable for satellite network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101005336A true CN101005336A (en) | 2007-07-25 |
| CN100505608C CN100505608C (en) | 2009-06-24 |
Family
ID=38704239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100628824A Expired - Fee Related CN100505608C (en) | 2007-01-19 | 2007-01-19 | Adpative jam control method and system suitable for satellite network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100505608C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102123011A (en) * | 2011-04-01 | 2011-07-13 | 北京航空航天大学 | Medium access control (MAC) method and device of multirate cooperation |
| CN101378308B (en) * | 2008-09-24 | 2012-07-04 | 中兴通讯股份有限公司 | Optimizing method for automatic retransmission request in OFDMA system |
| CN103095602A (en) * | 2013-02-02 | 2013-05-08 | 鲁东大学 | Network congestion control method based on quasi-Newton algorithm |
| CN103368861A (en) * | 2013-07-30 | 2013-10-23 | 迈普通信技术股份有限公司 | System and method for processing network congestion |
| CN104283808A (en) * | 2013-07-03 | 2015-01-14 | 华为技术有限公司 | Congestion control method, equipment and system |
| CN109412677A (en) * | 2018-11-12 | 2019-03-01 | 清华大学 | Cooperate with to star the communication broadcast method for self-adaption amalgamation in block catenary system |
| CN116723133A (en) * | 2023-06-29 | 2023-09-08 | 无锡芯光互连技术研究院有限公司 | Data transmitting and receiving equipment, network state information extraction method and device |
-
2007
- 2007-01-19 CN CNB2007100628824A patent/CN100505608C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101378308B (en) * | 2008-09-24 | 2012-07-04 | 中兴通讯股份有限公司 | Optimizing method for automatic retransmission request in OFDMA system |
| CN102123011A (en) * | 2011-04-01 | 2011-07-13 | 北京航空航天大学 | Medium access control (MAC) method and device of multirate cooperation |
| CN102123011B (en) * | 2011-04-01 | 2014-04-02 | 北京航空航天大学 | Medium access control (MAC) method and device of multirate cooperation |
| CN103095602A (en) * | 2013-02-02 | 2013-05-08 | 鲁东大学 | Network congestion control method based on quasi-Newton algorithm |
| CN104283808A (en) * | 2013-07-03 | 2015-01-14 | 华为技术有限公司 | Congestion control method, equipment and system |
| CN104283808B (en) * | 2013-07-03 | 2019-03-26 | 华为技术有限公司 | Jamming control method, equipment and system |
| US10419349B2 (en) | 2013-07-03 | 2019-09-17 | Huawei Technologies Co., Ltd. | Congestion method, device and system |
| CN103368861A (en) * | 2013-07-30 | 2013-10-23 | 迈普通信技术股份有限公司 | System and method for processing network congestion |
| CN109412677A (en) * | 2018-11-12 | 2019-03-01 | 清华大学 | Cooperate with to star the communication broadcast method for self-adaption amalgamation in block catenary system |
| CN109412677B (en) * | 2018-11-12 | 2020-07-14 | 清华大学 | Communication broadcast self-adaptive fusion method in satellite-ground cooperative block chain system |
| CN116723133A (en) * | 2023-06-29 | 2023-09-08 | 无锡芯光互连技术研究院有限公司 | Data transmitting and receiving equipment, network state information extraction method and device |
| CN116723133B (en) * | 2023-06-29 | 2024-03-22 | 无锡芯光互连技术研究院有限公司 | Data transmitting and receiving equipment, network state information extraction method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100505608C (en) | 2009-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101189840B (en) | Data unit relay device and method for controlling the same | |
| CN101114999B (en) | Data transmission control method and data transmission set | |
| KR100785293B1 (en) | System and Method for TCP Congestion Control Using Multiple TCP ACKs | |
| EP1411688B1 (en) | Method and apparatus for multicast data retransmission | |
| CN1227854C (en) | Link Layer acknowledgement and retransmission for cellular telecommunications | |
| CN100505608C (en) | Adpative jam control method and system suitable for satellite network | |
| US7277390B2 (en) | TCP processing apparatus of base transceiver subsystem in wired/wireless integrated network and method thereof | |
| KR20020079796A (en) | Wireless network system and method | |
| CN102148662B (en) | Adjusting method and device for data transmitting speed | |
| US6629261B1 (en) | Enhanced data link layer selective reject mechanism in noisy wireless environment | |
| CN104093170A (en) | TCP-based data transmission method and TCP agent apparatus | |
| EP1798913B1 (en) | Transport control method in wireless communication system | |
| KR101024461B1 (en) | Optimised packet data transmission protocol in a communication system employing a transmission window | |
| US7738395B2 (en) | Communication system for improving data transmission efficiency of TCP in a wireless network environment and a method thereof | |
| CN111131179B (en) | Service processing method, device, network equipment and storage medium | |
| US7609639B2 (en) | Negative acknowledgment (NAK) suppression | |
| JP2008289080A (en) | Terminal device, network device, and data communication method | |
| CN104580171A (en) | TCP (transmission control protocol) transmission method, device and system | |
| EP3809748A1 (en) | Data transmitting method and device, and data receiving method and device | |
| KR100913897B1 (en) | Method for controlling congestion of TCP for reducing the number of retransmission timeout | |
| CN115189809B (en) | Heterogeneous network real-time video transmission ARQ and FEC mode selection method based on QOE | |
| CN100571192C (en) | A kind of SCTP endpoint control receives the method for data block | |
| JP2003198612A (en) | File transferring method in packet communication network | |
| KR100548164B1 (en) | Wireless communication system capable of promoting TCP throughput and a method thereof | |
| Wang et al. | An SSCOP-based link layer protocol for wireless LANs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090624 Termination date: 20160119 |
|
| EXPY | Termination of patent right or utility model |