CN103414654B - One kind realizes bandwidth shunt method and system - Google Patents

One kind realizes bandwidth shunt method and system Download PDF

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Publication number
CN103414654B
CN103414654B CN201310375077.2A CN201310375077A CN103414654B CN 103414654 B CN103414654 B CN 103414654B CN 201310375077 A CN201310375077 A CN 201310375077A CN 103414654 B CN103414654 B CN 103414654B
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bandwidth
auxiliary equipment
shunting device
sink devices
initial data
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CN103414654A (en
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杨锋
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SHENZHEN DETRAN TECHNOLOGY Co Ltd
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SHENZHEN DETRAN TECHNOLOGY Co Ltd
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Abstract

The invention provides one kind realizes bandwidth shunt method and system, this realizes that bandwidth shunt method includes step:Main shunting device receives initial data by local lan mouth, main shunting device analyzes the bandwidth situation for judging that itself current network bears maximum in real time, the bandwidth that adjustment inner buffer space size bears maximum with itself current network is identical, calculate and forward the part initial data for overflowing bandwidth maximum bearing ability that the auxiliary equipment of local lan mouth is associated in level, main shunting device is by the part original data transmissions in spatial cache to sink devices.The invention has the beneficial effects as follows the present invention is efficiently solved, current Internet network up and down bandwidth is not reciprocity and all-network equipment Intranet and outer net on the market(Internet)The asymmetric problem for causing data traffic to lose of interface bandwidth.

Description

One kind realizes bandwidth shunt method and system
Technical field
The present invention relates to technical field of data transmission, more particularly to one kind realizes bandwidth shunt method and system.
Background technology
The current network equipment, particularly mobile radio network equipment, it is not reciprocity to there is upstream and downstream bandwidth, upstream bandwidth Far below several times of downlink bandwidth, the downstream rate of such as HSPA+ networks can support 42Mbps, but up maximum only support to arrive 13Mbps, actually used only 6Mbps, is much unsatisfactory for the demand of big data quantity upload, such as high-definition video monitoring.In addition except Upstream and downstream bandwidth it is asymmetric beyond, also there is the asymmetric of each network interface bandwidth, based on 802.3 ether network marks of IEEE Accurate Ethernet interface can reach 1000Mbps, but for accessing the network interface of Internet, such as fixed network WAN, it is wireless to move Dynamic 3G/LTE networks, far below 100Mbps, cause the bottleneck of network service, and when with higher than the net for accessing Internet When network interface bandwidth sends data, data can be caused seriously to overstock, high-volume is lost, without with intelligence QoS bandwidth optimizations The network equipment can cause laser propagation effect to deteriorate even transmission collapse.
Main shunting device receives original high amount of traffic equivalent to high bandwidth Ethernet, by the Internet of low bandwidth (It is up)Sink devices are forwarded to, with respect to main shunting device, sink devices receiving data stream belongs to descending high bandwidth, on the one hand right In main shunting device, original data stream receiving terminal bandwidth exceeds well over transmitting terminal, here it is network interface bandwidth is asymmetric, it is another Aspect is for sink devices receiving data stream bandwidth(It is descending)Exceed well over main shunting device and send data stream bandwidth(It is up), this is just It is the asymmetric of network up and down.
The content of the invention
In order to solve the problems of the prior art, the invention provides a kind of realize bandwidth shunt method.
The invention provides one kind realizes bandwidth shunt method, comprise the steps:
A. main shunting device receives initial data by local lan mouth, and main shunting device is analyzed in real time and judges that itself works as Front network bears the bandwidth situation of maximum, adjusts inner buffer space size and bears the bandwidth phase of maximum with itself current network Together, calculate and forward the part initial data for overflowing bandwidth maximum bearing ability that the auxiliary equipment of local lan mouth is associated in level, Main shunting device is by the part original data transmissions in spatial cache to sink devices;
B. auxiliary equipment receives initial data by local lan mouth, and auxiliary equipment is analyzed in real time and judges itself current net Network bears the bandwidth situation of maximum, and it is identical with the bandwidth that itself current network bears maximum to adjust inner buffer space size, meter The auxiliary for calculating and forwarding the next stage that the part initial data for overflowing bandwidth maximum bearing ability is associated in local lan mouth to level sets Standby, by the part original data transmissions in spatial cache to sink devices, auxiliary equipment is according to itself current network for auxiliary equipment Distributing portion initial data terminates up to whole original data transmissions to sink devices step by step to bear maximum bandwidth.
As a further improvement on the present invention, main shunting device and auxiliary equipment are set up with sink devices respectively and are communicated Road.
As a further improvement on the present invention, main shunting device is connected by TCP and collects service equipment and communicate, and auxiliary sets It is standby by UDP connections with collect service equipment and communicate.
As a further improvement on the present invention, the sink devices receive the part that main shunting device and auxiliary equipment send Initial data, and the part initial data sequence assembling for receiving is reverted to into initial data.
As a further improvement on the present invention, the sink devices are provided with LAN mouths, and sink devices will be original by LAN mouths Data is activation is gone out.
Present invention also offers one kind realizes bandwidth separate system, including:Main shunting device, auxiliary equipment, sink devices, The main shunting device is connected by LAN mouths with the auxiliary equipment, the main shunting device and the auxiliary equipment respectively with The sink devices are connected;Main shunting device receives initial data by local lan mouth, and main shunting device analyzes judgement in real time Itself current network bears the bandwidth situation of maximum, adjusts inner buffer space size and bears the band of maximum with itself current network It is wide identical, calculate and forward the part initial data for overflowing bandwidth maximum bearing ability that the auxiliary of local lan mouth is associated in level Equipment, main shunting device is by the part original data transmissions in spatial cache to sink devices;Auxiliary equipment passes through local lan mouth Initial data is received, auxiliary equipment analyzes the bandwidth situation for judging that itself current network bears maximum in real time, and adjustment is internal slow It is identical with the bandwidth that itself current network bears maximum to deposit space size, calculates and forward the portion for overflowing bandwidth maximum bearing ability Divide initial data that the auxiliary equipment of the next stage of local lan mouth is associated in level, auxiliary equipment will be the part in spatial cache former Beginning data transfer bears maximum bandwidth step by step distributing portion original number according to itself current network to sink devices, auxiliary equipment According to until whole original data transmissions terminate to sink devices.
As a further improvement on the present invention, main shunting device and auxiliary equipment are set up with sink devices respectively and are communicated Road.
As a further improvement on the present invention, main shunting device is connected by TCP and collects service equipment and communicate, and auxiliary sets It is standby by UDP connections with collect service equipment and communicate.
As a further improvement on the present invention, the sink devices receive the part that main shunting device and auxiliary equipment send Initial data, and the part initial data sequence assembling for receiving is reverted to into initial data.
As a further improvement on the present invention, the sink devices are provided with LAN mouths, and sink devices will be original by LAN mouths Data is activation is gone out.
The invention has the beneficial effects as follows:The present invention efficiently solve current Internet network up and down bandwidth it is not reciprocity and All-network equipment Intranet and outer net on the market(Internet)The asymmetric of interface bandwidth causes asking for data traffic loss Topic.
Description of the drawings
Fig. 1 be the present invention realize bandwidth separate system theory diagram.
Specific embodiment
The invention discloses one kind realizes bandwidth shunt method, comprise the steps:
The first step:Main shunting device receives initial data by local lan mouth, and main shunting device analyzes judgement certainly in real time Body current network bears the bandwidth situation of maximum, adjusts inner buffer space size and bears the bandwidth of maximum with itself current network It is identical, calculate and forward the part initial data for overflowing bandwidth maximum bearing ability to set to the auxiliary that level is associated in local lan mouth Standby, main shunting device is by the part original data transmissions in spatial cache to sink devices;
Second step:Auxiliary equipment receives initial data by local lan mouth, and auxiliary equipment is analyzed in real time and judges that itself works as Front network bears the bandwidth situation of maximum, adjusts inner buffer space size and bears the bandwidth phase of maximum with itself current network Together, calculate and forward the part initial data for overflowing bandwidth maximum bearing ability that the next stage of local lan mouth is associated in level Part original data transmissions in spatial cache to sink devices, auxiliary equipment are worked as by auxiliary equipment, auxiliary equipment according to itself Front network bears maximum bandwidth, and distributing portion initial data terminates up to whole original data transmissions to sink devices step by step.
Main shunting device and auxiliary equipment set up communication port with sink devices respectively.Main shunting device is connected by TCP Communicate with service equipment is collected, auxiliary equipment is connected by UDP and collects service equipment and communicate.The sink devices receive main point The part initial data that flow device and auxiliary equipment send, and the part initial data sequence assembling for receiving is reverted to original Data.The sink devices are provided with LAN mouths, and initial data is sent by sink devices by LAN mouths.
As shown in figure 1, the invention also discloses one kind realizes bandwidth separate system, including:Main shunting device, auxiliary set Standby, sink devices, the main shunting device are connected by LAN mouths with the auxiliary equipment, the main shunting device and described auxiliary Equipment is helped to be connected with the sink devices respectively.
The present invention efficiently solves that current Internet network up and down bandwidth is not reciprocity and all-network equipment on the market Intranet and outer net(Internet)The asymmetric of interface bandwidth causes data traffic to lose, it is impossible to meet answering for high bandwidth transmission With.The present invention with multiplying band width of wireless communication system, but can be not limited only to wireless telecommunication system, wired fixed network communication system Similarly it is adapted to.
The present invention is by plural web-transporting device(Main shunting device and auxiliary equipment)It is concatenated together, by dividing Analysis bandwidth, splits bandwidth, forwards the bandwidth overflowed to the method for the auxiliary equipment of subordinate, the data traffic of high bandwidth is pressed cascade The network bandwidth capabilities that equipment can bear are distributed transmission.Each cascade device microprocessor can be analyzed in real time and judge that itself works as Front network bears the bandwidth situation of maximum, and intelligent adjustment inner buffer space size is quickly calculated and forwarded and overflows bandwidth.Converge Collection equipment receives corresponding by the service thread of the subordinate's cascade device for connecting and activating correlation, service thread are created by main equipment The data traffic of subordinate's cascade device, is buffered in the temporary space of sink devices establishment, and sink devices enable thread assembling data Flow simultaneously transfers sink devices.
The increment technique of the present invention realizes that the method for bandwidth shunting includes:
Build multiple stage cascade device(It is assumed that 1~N equipment, shunting device based on No. 1 equipment, 2~N equipment are cascade Auxiliary equipment, wherein N>1), described cascade device includes microprocessor, LAN Ethernet interfaces, WAN Internet Ethernets Mouthful(Wired fixed network or mobile radio network mouth, such as 3G/LTE wireless telecommunications module), described LAN Ethernet interfaces receive original big Data flow, by WAN Internet Ethernet interface transmitting data flows to sink devices, can pass through wired Internet fixed networks, such as Chinese Telecommunication Operator ADSL networks, it is also possible to by wireless Internet mobile networks, such as operator of China Mobile TDD-LTE Network, the dialing of microprocessor built Internet, the data volume routing forwarding that LAN mouths are received to internet side, in addition The multiple LAN mouths of cascade device support routing forwarding.
Build a sink devices, the sink devices include microprocessor, LAN Ethernet interfaces, WAN Internet with Too network interface(Wired fixed network or mobile radio network mouth, such as 3G/LTE wireless telecommunications module), described WAN Internet ether Network interface can receive the data flow that multiple stage cascade device is forwarded, can be by wired Internet fixed networks, and such as China is electric Letter operator ADSL networks, it is also possible to by wireless Internet mobile networks, such as operator of China Mobile TDD-LTE network, Described LAN Ethernet interfaces can forward data volume complete after collecting to user side.
Main shunting device is cascaded using identical software, in the relatively small time after upper electricity with subordinate(Less than 1 second)With Machine time delay, then actively initiates registration action to sink devices according to configuration.
Sink devices determine the affiliated channel of equipment according to the registration ID of cascade device, set up link and register the logical of oneself Road, activates service end thread.
If sink devices have had corresponding thread, directly return to the address of main shunting device, make equipment transfer into Enter local auxiliary mode.
Main shunting device interacted bandwidth situation every 1 second with sink devices, can pass through MTU(MTU)、MRU (Maximum receiving unit)It was found that combine QoS intelligent bandwidths adjusting and active bandwidth learning art, analysis in real time judges itself Current network bears the bandwidth situation of maximum, and intelligent adjustment inner buffer space size is quickly calculated and forwarded and overflows bandwidth The auxiliary equipment of local lan mouth is associated in level.
The bandwidth of spilling is constantly distributed by the auxiliary equipment of cascade step by step, has distributed until original data stream bandwidth and is Only.
Main shunting device is communicated with sink devices by TCP connections, and subordinate cascades auxiliary equipment and connected and collected by UDP Equipment communication.
Cascade device checks equipment itself link shape by receiving, caching, analyzing the data traffic that original or higher level is overflowed State, if link-down, activates link.If higher level's cascade device is directly return in failure.
Cascade device checks bandwidth surplus, starts data sectional, the data fragmentation of statement this grade of segmentation of transmission, if all The forwarding of bandwidth surplus is finished, then be set to IDLE state.If the segmentation also overflowed, concatenated message is packaged into by this region Connection LAN mouths are forwarded to subordinate.
Sink devices, will create the thread with cascade device respective links, receive the data of correspondence thread, set up buffering Area, sorts and assembles burst, accumulates big flow and is forwarded to LAN user sides.
It is assumed that the data volume of original N Mbps bandwidth enters bandwidth separate system, main shunting 1 by main shunting device LAN mouths Number equipment can undertake maximum bandwidth for N1 Mbps(N > N1), then overflow(N - N1 )Mbps turns to aid in 2 by subordinate's cascade The distribution of number equipment, No. 2 equipment of auxiliary of subordinate's cascade in the same manner can undertake maximum bandwidth for N2 Mbps((N - N1 )> N2), then overflow Go out(N - N1 – N2)Mbps turns by subordinate's cascade auxiliary No. 3 equipment distribution, and by that analogy, the bandwidth of N Mbps can be by Cascade device undertakes distribution, and as this other in cascade LAN mouths forwarding bandwidth is much larger than original data stream bandwidth, Forwarding Latency is very Little, negligible, local packets overflow segmentation by microprocessor processes, and the time delay of segmentation is much smaller than equipment from LAN to WAN Internet Forwarding Latencies, therefore increment technique realizes bandwidth shunting, solves big data quantity transmission delay and loss of data, Meet the demand of high bandwidth transmission.
Above content is with reference to specific preferred implementation further description made for the present invention, it is impossible to assert The present invention be embodied as be confined to these explanations.For general technical staff of the technical field of the invention, On the premise of without departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's Protection domain.

Claims (4)

1. one kind realizes bandwidth shunt method, it is characterised in that comprise the steps:
A. main shunting device receives initial data by local lan mouth, and main shunting device is analyzed in real time and judges itself current net Network bears the bandwidth situation of maximum, and it is identical with the bandwidth that itself current network bears maximum to adjust inner buffer space size, meter Calculate and forward the part initial data for overflowing bandwidth maximum bearing ability that the auxiliary equipment of local lan mouth is associated in level, it is main to divide Flow device is by the part original data transmissions in spatial cache to sink devices;
B. auxiliary equipment receives initial data by local lan mouth, and auxiliary equipment is analyzed in real time and judges that itself current network is held By maximum bandwidth situation, it is identical with the bandwidth that itself current network bears maximum to adjust inner buffer space size, calculate with The auxiliary equipment that the part initial data of bandwidth maximum bearing ability is associated in the next stage of local lan mouth to level is overflowed in forwarding, Part original data transmissions in spatial cache to sink devices, auxiliary equipment are born by auxiliary equipment according to itself current network Distributing portion initial data terminates to sink devices maximum bandwidth up to whole original data transmissions step by step;
Main shunting device and auxiliary equipment set up communication port with sink devices respectively;
Main shunting device by TCP connections with collect service equipment and communicate, auxiliary equipment is connected by UDP and collects service equipment Communication;
The sink devices receive the part initial data that main shunting device and auxiliary equipment send, and the part for receiving is former The assembling of beginning data sorting reverts to initial data.
2. it is according to claim 1 to realize bandwidth shunt method, it is characterised in that the sink devices are provided with LAN mouths, converge Initial data is sent by collection equipment by LAN mouths.
3. one kind realizes bandwidth separate system, it is characterised in that include:Main shunting device, auxiliary equipment, sink devices, it is described Main shunting device is connected by LAN mouths with the auxiliary equipment, the main shunting device and the auxiliary equipment respectively with it is described Sink devices are connected;Main shunting device receives initial data by local lan mouth, and main shunting device is analyzed in real time and judges itself Current network bears the bandwidth situation of maximum, adjusts inner buffer space size and bears the bandwidth phase of maximum with itself current network Together, calculate and forward the part initial data for overflowing bandwidth maximum bearing ability that the auxiliary equipment of local lan mouth is associated in level, Main shunting device is by the part original data transmissions in spatial cache to sink devices;Auxiliary equipment is received by local lan mouth Initial data, auxiliary equipment analyze the bandwidth situation for judging that itself current network bears maximum in real time, and adjustment inner buffer is empty Between size and itself current network bear maximum bandwidth it is identical, calculate and forward the part for overflowing bandwidth maximum bearing ability former Beginning data are associated in the auxiliary equipment of the next stage of local lan mouth to level, and auxiliary equipment is by the part original number in spatial cache According to transmitting to sink devices, auxiliary equipment bears maximum bandwidth according to itself current network, and distributing portion initial data is straight step by step Terminate to whole original data transmissions to sink devices;
Main shunting device and auxiliary equipment set up communication port with sink devices respectively;
Main shunting device by TCP connections with collect service equipment and communicate, auxiliary equipment is connected by UDP and collects service equipment Communication;
The sink devices receive the part initial data that main shunting device and auxiliary equipment send, and the part for receiving is former The assembling of beginning data sorting reverts to initial data.
4. it is according to claim 3 to realize bandwidth separate system, it is characterised in that the sink devices are provided with LAN mouths, converge Initial data is sent by collection equipment by LAN mouths.
CN201310375077.2A 2013-08-26 2013-08-26 One kind realizes bandwidth shunt method and system Active CN103414654B (en)

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CN110535977B (en) * 2019-09-29 2022-04-01 深圳市网心科技有限公司 File distribution method and device, computer device and storage medium

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