CN106209454A - A kind of bandwidth self-adaption data transmission method for RDP - Google Patents
A kind of bandwidth self-adaption data transmission method for RDP Download PDFInfo
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- CN106209454A CN106209454A CN201610548649.6A CN201610548649A CN106209454A CN 106209454 A CN106209454 A CN 106209454A CN 201610548649 A CN201610548649 A CN 201610548649A CN 106209454 A CN106209454 A CN 106209454A
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- bandwidth
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- network bandwidth
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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
- H04L43/0894—Packet rate
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention relates to a kind of bandwidth self-adaption data transmission method for RDP, comprise the following steps: S1, server is loaded into inquiry table；S2, client is connected to server by network；S3, known residing network bandwidth information and own net are processed the upper limit and are sent to server end by client；S4, server is initiated the bandwidth ability test between client in real time, is obtained the network bandwidth that both sides are current；According to the current network bandwidth, S5, judges that both sides the most still set up connection, the most then enters step S6, otherwise DTD；S6, server, according to inquiry table and the current network bandwidth, selects coded system to carry out data encoding, and sends data to client；S7, server receives client end response, updates current network bandwidth, and returns step S5.Compared with prior art, the present invention, by dynamically judging current network bandwidth, utilizes inquiry table to select coded system, improves the fluency of data transmission.
Description
Technical field
The present invention relates to a kind of data transmission method, especially relate to a kind of bandwidth self-adaption for RDP
Data transmission method.
Background technology
Multiple company has been had to provide the publicly-owned cloud desktop services being deployed in wide area network at present.Such as VMWare View with
The PCoIP scheme of Teradici joint development, PCoIP agreement is a kind of high efficiency data exchange agreement, have employed data pressure
Contract, encrypt and connect optimisation technique, the session of user is compressed in the way of image transmission, for the operation of user, only
Transmission changing unit, it is ensured that also can use efficiently under low bandwidth, user all can use under the low-down network bandwidth,
And the desktop of actual motion is positioned at data center's express network on backstage, therefore terminal use just can enjoy at low bandwidth link
By the speed of service in LAN.By PCoIP agreement tremendous improve function and the performance of desktop virtual, at present
Have become as the most popular desktop virtual agreement and standard.
PCoIP aims at payment virtual desktop and builds, and no matter what task end user has or be in what position,
The optimal desktop experience that content is extremely abundant is provided for it.By PCoIP, whole calculating is experienced to first pass through and is carried out in data center
Compress, encrypt and encode, be transferred to enable the endpoint device of PCoIP by standard IP network the most again.With tradition display protocol
Difference, legacy protocol aims at payment application program and builds, and PCoIP is then that desktop payment is brand-new to be built in order to carry out
's.PCoIP uses adaptive technique to carry out height optimization, it can be ensured that no matter end user position on LAN or wide area network
How put, all can obtain optimal user and experience.
But network condition difference that the client of this service is when connecting publicly-owned cloud service is very big, general from optical fiber, special line, domestic
Logical ADSL, even 2G/3G cell phone network；Thus the bandwidth of network, time delay, error rate and packet loss all differ greatly.If
Transmitting remote desktop data with a kind of fixing bandwidth, experiencing for different clients can be entirely different, the most only fits
Answering fiber optic network situation, under that 2G network condition, Consumer's Experience will be unacceptable, and if for the 2G network optimization, then light
Fine user can feel that image quality is difficult to accept.The scheme that prior art uses can only adjust the ginseng of coding for different bandwidth
Number, such as JPEG mass, or quality H.264 and code check, shortcoming is adjustable scope relative narrower.Meanwhile, in
Hold and only included picture type, not adjusting such as sound and usb data etc. of other.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and provide a kind of for remote desktop
The bandwidth self-adaption data transmission method of agreement, by using the coded system corresponding with the network bandwidth, allow various in the case of
Network can have an optimal Consumer's Experience, solve the self adaptation to the network bandwidth of the remote protocol on the publicly-owned cloud of wide area network
Problem.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of bandwidth self-adaption data transmission method for RDP, described RDP is with client
End/server mode communicates, and described method comprises the following steps:
S1, server is loaded into inquiry table, and described inquiry table includes the most corresponding coded system and network bandwidth scope,
Inquiry table is to draw with reality measuring and calculating effect based on experience value, and being formed can be by the coded system of network bandwidth range query
Table；
S2, client is connected to server by network；
S3, known residing network bandwidth information and own net are processed the upper limit and are sent to server end by client, with
Just server and client side carries out bandwidth ability negotiation；
S4, server is initiated the bandwidth ability test between client in real time, is obtained the network bandwidth that both sides are current；
According to the current network bandwidth, S5, judges that both sides the most still set up connection, the most then enters step S6, otherwise count
According to the end of transmission；
S6, server, according to inquiry table and the current network bandwidth, selects the network bandwidth model residing for current network bandwidth
The selection coded system enclosing correspondence carries out data encoding, and sends data to client；
S7, server receives client end response, updates current network bandwidth, and returns step S5.
Described network bandwidth scope includes the upper and lower bound of the network bandwidth.
In described inquiry table, the coded system of a network bandwidth scope correspondence numerous types of data, data type bag
Including view data, voice data and usb data, data type has priority, and the high priority data of high priority is transmitted.
Under different network bandwidth scopes, there is change in the priority orders of each data type.
For same data type, the common factor between the network bandwidth scope that different coding mode is corresponding is empty, does not i.e. have
There is overlap.
In described step S4, bandwidth ability method of testing comprises the following steps:
S41, server sends the random data bag of the two intermediate line link maximum message size in real time to client；
S42, server receives client end response, according to data transmission period and the byte number of total transmission success, calculates and works as
Front network actual bandwidth.
Compared with prior art, the invention have the advantages that
(1) establish inquiry table with reality measuring and calculating effect based on experience value, in follow-up data transmission, net can be passed through
Network bandwidth range inquiry coded system, thus under current network bandwidth, obtain suitable coded system, thus obtain smoother
Communication efficiency.
(2) known residing network bandwidth information and own net are processed the upper limit and are sent to server end by client, with
Just server and client side carries out bandwidth ability negotiation.
(3), in inquiry table, the data type of transmission includes view data, voice data and usb data, breaches existing skill
The limitation that picture coding parameter is only adjusted by art.
(4), in bandwidth ability test, the network bandwidth information sent according to client and own net process the upper limit, send
The random data bag of certain length, makes current network actual bandwidth test result more accurately and reliably.
Accompanying drawing explanation
Fig. 1 is the flow chart of the inventive method.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implement, give detailed embodiment and concrete operating process, but protection scope of the present invention be not limited to
Following embodiment.
Embodiment
As it is shown in figure 1, a kind of bandwidth self-adaption data transmission method for RDP, RDP with
Customer end/server mode communicates, and method comprises the following steps:
S1, server is loaded into inquiry table, and inquiry table includes the most corresponding coded system and network bandwidth scope, and formation can
With by the coded system table of network bandwidth range query, network bandwidth scope includes the upper and lower bound of the network bandwidth；
S2, client is connected to server by network；
S3, known residing network bandwidth information and own net are processed the upper limit and are sent to server end by client, note
Meaning, it is not necessarily accurate that the network of self is described by client, has 100M with card of surfing Internet as wired client, but wide area
The bandwidth of net may only have 4M, it is therefore desirable to determines client own net disposal ability；
S4, server is initiated the bandwidth ability test between client in real time, is obtained the network bandwidth that both sides are current, tool
Body comprises the following steps:
S41, server sends the random data bag of the two intermediate line link maximum message size in real time to client；
S42, server receives client end response, according to data transmission period and the byte number of total transmission success, calculates and works as
Front network actual bandwidth；
According to the current network bandwidth, S5, judges that both sides the most still set up connection, the most then enters step S6, otherwise count
According to the end of transmission；
S6, server, according to inquiry table and the current network bandwidth, selects coded system to carry out data encoding, and to client
End sends data；
S7, server receives client end response, updates current network bandwidth, and returns step S5.
In inquiry table, the coded system of a network bandwidth scope correspondence numerous types of data, data type includes image
Data, voice data and usb data, data type has priority, and the high priority data of high priority is transmitted, and institute's accounting
Weight is bigger；Under different network bandwidth scopes, there is change in the priority orders of each data type, passes with reasonable distribution data
Defeated type, reaches maximum data transmission efficiency.
For same data type, the common factor between the network bandwidth scope that different coding mode is corresponding is empty, does not i.e. have
Having overlap, therefore the result of coding mode selection is unique, selects speed fast.
In the case of medium bandwidth is certain, in order to be able to transmit the data stream of higher rate, manage to pass through coded system
Reduce transfer rate, reduce transmission bandwidth, thus alleviate the requirement to medium.
Claims (5)
1., for a bandwidth self-adaption data transmission method for RDP, described RDP is with client
End/server mode communicates, it is characterised in that described method comprises the following steps:
S1, server is loaded into inquiry table, and described inquiry table includes the most corresponding coded system and network bandwidth scope；
S2, client is connected to server by network；
S3, known residing network bandwidth information and own net are processed the upper limit and are sent to server end by client；
S4, server is initiated the bandwidth ability test between client in real time, is obtained the network bandwidth that both sides are current；
According to the current network bandwidth, S5, judges that both sides the most still set up connection, the most then enters step S6, otherwise data pass
Defeated end；
S6, server, according to inquiry table and the current network bandwidth, selects coded system to carry out data encoding, and sends out to client
Send data；
S7, server receives client end response, updates current network bandwidth, and returns step S5.
A kind of bandwidth self-adaption data transmission method for RDP the most according to claim 1, its feature
Being, in described inquiry table, the coded system of a network bandwidth scope correspondence numerous types of data, data type includes figure
As data, voice data and usb data, data type has priority, and the high priority data of high priority is transmitted.
A kind of bandwidth self-adaption data transmission method for RDP the most according to claim 2, its feature
Being, under different network bandwidth scopes, there is change in the priority orders of each data type.
A kind of bandwidth self-adaption data transmission method for RDP the most according to claim 2, its feature
Being, for same data type, the common factor between the network bandwidth scope that different coding mode is corresponding is empty.
A kind of bandwidth self-adaption data transmission method for RDP the most according to claim 1, its feature
Being, in described step S4, bandwidth ability method of testing comprises the following steps:
S41, server sends the random data bag of the two intermediate line link maximum message size in real time to client；
S42, server receives client end response, according to data transmission period and the byte number of total transmission success, calculates current net
Network actual bandwidth.
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| CN201610548649.6A CN106209454A (en) | 2016-07-13 | 2016-07-13 | A kind of bandwidth self-adaption data transmission method for RDP |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861908A (en) * | 2017-11-22 | 2018-03-30 | 江苏微锐超算科技有限公司 | Suitable for the communication protocol system of selection of process chip and device |
| CN108495156A (en) * | 2018-06-01 | 2018-09-04 | 深圳普创天信科技发展有限公司 | A kind of wireless image-sound transmission method and system based on 5G technologies |
| CN110493829A (en) * | 2019-08-07 | 2019-11-22 | 重庆金美通信有限责任公司 | A kind of WEB interface request adaptive feedback method based on wireless chaining status |
| CN114513792A (en) * | 2022-04-13 | 2022-05-17 | 优游宝科技(深圳)有限公司 | Remote network control method and device based on eSIM card |
| WO2024183457A1 (en) * | 2023-03-09 | 2024-09-12 | 杭州阿里云飞天信息技术有限公司 | Cloud desktop optimization method, cloud desktop server and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107861908A (en) * | 2017-11-22 | 2018-03-30 | 江苏微锐超算科技有限公司 | Suitable for the communication protocol system of selection of process chip and device |
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| CN110493829A (en) * | 2019-08-07 | 2019-11-22 | 重庆金美通信有限责任公司 | A kind of WEB interface request adaptive feedback method based on wireless chaining status |
| CN110493829B (en) * | 2019-08-07 | 2023-05-02 | 重庆金美通信有限责任公司 | WEB interface request self-adaptive feedback method based on wireless link state |
| CN114513792A (en) * | 2022-04-13 | 2022-05-17 | 优游宝科技(深圳)有限公司 | Remote network control method and device based on eSIM card |
| WO2024183457A1 (en) * | 2023-03-09 | 2024-09-12 | 杭州阿里云飞天信息技术有限公司 | Cloud desktop optimization method, cloud desktop server and storage medium |
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Effective date of registration: 20180613 Address after: 523000 A2, 7 floor, home town plaza, South five village, Houjie Town, Dongguan, Guangdong Applicant after: Dongguan Zheng Xun Industrial Investment Co., Ltd. Address before: 200070 8005, room 3, 533 Po Chang Road, Zhabei District, Shanghai. Applicant before: Ting Yun computing technology (Shanghai) Co., Ltd. |
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Application publication date: 20161207 |