CN101262386A - A method and system for binding and transmission of links with different rates - Google Patents
A method and system for binding and transmission of links with different rates Download PDFInfo
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- CN101262386A CN101262386A CNA2007101067850A CN200710106785A CN101262386A CN 101262386 A CN101262386 A CN 101262386A CN A2007101067850 A CNA2007101067850 A CN A2007101067850A CN 200710106785 A CN200710106785 A CN 200710106785A CN 101262386 A CN101262386 A CN 101262386A
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Abstract
The invention discloses a method and a system used for the link bundling and transportation with different rates of speed, which can realize the bundling of a plurality of links with different rates of speed. The system comprises central point equipment and customer premise equipment; the central point equipment is connected with the customer premise equipment by one or a plurality of binding teams in between; the central point equipment and the customer premise equipment respectively comprise a rate adaptation module used for rate adaptation on the links and providing uniform rate interfaces to the upper layer. The binding method comprises the steps: (a) an adaptive rate calculated by the central point equipment and/or the customer premise equipment according to the actual rate of the link connected with the central point equipment and the customer premise equipment; (b) the central point equipment and the customer premise equipment establish the binding teams according to the adaptive rate and bind the links of the same adaptive rate to be the binding teams.
Description
Technical field
The present invention relates to network communications technology field, relate in particular to the method and system that are used for links with different rates binding and transmission in a kind of broadband access network.
Background technology
Along with developing rapidly of broadband access network, the user needs the more business of high bandwidth and bandwidth on-demand,, online game interconnected as video traffic, high-speed data etc.Just can support the more business of high bandwidth and bandwidth on-demand by the link bundling technology.Present the most frequently used multilink binding method has IEEE 802.3ad (Institute of Electrical and Electronics Engineers, IEEE) Ethernet link clustering technology, 802.3ad standard definition how plural ethernet link is combined into the high bandwidth network link, realize load balance and link redundancy.But the 802.3ad standard can only be applied on the identical multilink of speed.Can be applicable on two 100,000,000 ports such as it, perhaps on two gigabit ports, but can not to be applied in one be 100,000,000 ports for it, and another is on two links of gigabit port.Another binding technology IMA (ATM (Asynchronous Transfer Mode, asynchronous transfer mode) inverse multiplexing technology), it also requires the speed of the link bound is consistent, otherwise just can not realize binding.
It can be seen from the above, and present binding technology all is to finish under the situation of the speed unanimity of link, if the speed of link is inconsistent, link just can't be bound normally so, is unfavorable for binding professional expansion.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method and system that are used for links with different rates binding and transmission, can realize the binding of a plurality of links with different rates.
In order to solve the problems of the technologies described above, the invention provides a kind of system that realizes the links with different rates binding, described system comprises local side apparatus and ustomer premises access equipment, one or more bindings group between described local side apparatus and ustomer premises access equipment pass through link to each other, described local side apparatus and ustomer premises access equipment respectively comprise a rate adapted module, be used on link, carrying out the adaptive of speed, provide consistent rate interface the upper strata.
Further, said system also can have following characteristics, described rate adapted module calculates adaptation rate according to the actual speed rate of the link of its connection, adopt described adaptation rate to carry out the transmitting-receiving of data flow to the upper strata, adopt the actual conditions of the link of its connection to carry out the transmitting-receiving of data flow to lower floor; Described local side apparatus and ustomer premises access equipment are according to described adaptation rate binding link.
Further, said system also can have following characteristics, described local side apparatus and described ustomer premises access equipment also comprise binding module and binding management module respectively, and wherein: described binding module is used to adopt described adaptation rate and described rate adapted module to carry out the transmitting-receiving of data flow; Described binding management module is used for link is managed, and sends bindings group variation Indication message to described binding module and described rate adapted module; Described rate adapted module is used for changing Indication message according to described bindings group, recomputates the adaptation rate of each link in the described bindings group and redistribute data flow on each link when the transmission data.
Further, said system also can have following characteristics, described rate adapted module calculate adaptation rate in the following ways in any one: with the mean value of each link rate as adaptation rate; Calculate the generation adaptation rate according to total bandwidth, actual speed rate and/or the priority of each bar link.
Further, said system also can have following characteristics, and described rate adapted module is to the data transmit-receive of lower floor, in the following ways in any one: the actual speed rate with each link is carried out data allocations and transmission; Total bandwidth, actual speed rate and/or priority according to each bar link are carried out data allocations and transmission.
Further, said system also can have following characteristics, and each bindings group is made up of two above links; Described bindings group is based on Ethernet or asynchronous transfer mode; Described link comprises digital subscriber line, ethernet link and asynchronous transfer mode link.
In order to solve the problems of the technologies described above, the present invention also provides a kind of method that realizes the links with different rates binding, may further comprise the steps:
(a) local side apparatus and/or ustomer premises access equipment calculate adaptation rate according to the actual speed rate of the link of its connection;
(b) described local side apparatus and ustomer premises access equipment are set up bindings group according to described adaptation rate, and the link bundling that adaptation rate is identical is a bindings group.
Further, said method also can have following characteristics, in described step (a), described rate adapted module calculate adaptation rate in the following ways in any one: with the mean value of each link rate as adaptation rate; Calculate the generation adaptation rate according to total bandwidth, actual speed rate and/or the priority of each bar link.
In order to solve the problems of the technologies described above, the present invention also provides a kind of realization links with different rates binding and transmission method, may further comprise the steps:
(a) local side apparatus and/or ustomer premises access equipment calculate adaptation rate according to the actual speed rate of the link of its connection;
(b) described local side apparatus and ustomer premises access equipment are set up bindings group according to described adaptation rate, and the link bundling that adaptation rate is identical is a bindings group;
(c) when sending, adopt identical adaptation rate to carry out the distribution and the transmission of data flow on the binding module of transmitting apparatus each link in bindings group, after the rate adapted module of same equipment receives data flow, data stream is redistributed and transmitted according to the actual conditions of the link of its connection;
(d) when receiving, after the rate adapted module of receiving equipment receives data flow, carry out redistributing of data flow, data flow is sent to the binding module of same equipment with identical adaptation rate.
Further, said method also can have following characteristics, after described rate adapted module receives bindings group variation Indication message, recomputates the adaptation rate of each link in the described bindings group.
Further, said method also can have following characteristics, in described step (c), described rate adapted module is redistributed data stream according to the actual conditions of the link of its connection and is transmitted, in the following ways in any one: the actual speed rate with each link is carried out data allocations and transmission; Total bandwidth, actual speed rate and/or priority according to each bar link are carried out data allocations and transmission.
Therefore, the method and system that the links with different rates that uses the present invention to propose is bound and transmitted, the function of the link bundling of a plurality of different rates being got up to form logical links at a high speed can be provided, solved the problem that links with different rates can not be bound, be used to improve the ability of link bundling, professional the carrying out of convenient binding.
Description of drawings
Fig. 1 is the structure chart of links with different rates binding system of the present invention;
Fig. 2 is the structure chart of the links with different rates binding system of the embodiment of the invention;
Fig. 3 is the flow chart that the embodiment of the invention is used for the method for links with different rates binding;
Fig. 4 adopts embodiment of the invention binding method to carry out the flow chart of transfer of data.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
As shown in Figure 1, realize that the system of links with different rates binding comprises local side apparatus and ustomer premises access equipment, connect by the bindings group of forming by one or more links between them.Described bindings group can be based on ethernet link or ATM (Asynchronous Transfer Mode, asynchronous transfer mode) link or DSL (Digital Subscriber Line, Digital Subscriber Line) circuit.Local side apparatus and ustomer premises access equipment comprise business interface module, binding module, binding management module and rate adapted module at least respectively.
Business interface module, binding module and rate adapted module are connected successively, and business interface module and rate adapted module are equipment and outside interface, and the binding management module is connected with the rate adapted module with binding module respectively.On sending direction, the business interface module sends the data to binding module, and binding module sends the data to the rate adapted module again, and the rate adapted module sends data to miscellaneous equipment again; At receive direction, carry out opposite data processing.Wherein:
The business interface module, be used to provide and the transport layer on upper strata between carry out two-way connecting interface, support the transmission and the reception of a plurality of Business Streams, and the data of transmitting-receiving sent to binding module or receive the data that binding module sends.
Binding module is used for the transmitting-receiving at the enterprising line data stream of link, realizes the transmitted in both directions of data between local side apparatus and the ustomer premises access equipment.On sending direction, the control data flow point is fitted on each bar link; On receive direction, restore the data flow on each link.
The binding management module is used for link is managed, and notifies binding module with the state change information of bindings group.Management for the binding management module of ustomer premises access equipment comprises following content at least: remove bindings group, operations such as the adding of link, deletion in the management bindings group monitor the performance and the fault of bindings group.When the Link State in the bindings group changed, the binding management module sent bindings group to the rate adapted module and changes Indication message.
The rate adapted module is used for carrying out adaptive (conversion) of speed on each bar link, provide consistent rate interface to the binding module on upper strata, makes and it seems that from binding module lower floor all is the link of speed unanimity; Speed on adaptive each the bar link of lower floor makes each bar link can make full use of its bandwidth, carries out the transmitting-receiving of data.When the Link State in the bindings group changes, after the rate adapted module receives that the bindings group of binding management module transmission changes Indication message, recomputate the adaptation rate of this bindings group, when transfer of data, redistribute the data flow on the link.
Described rate adapted module calculates adaptation rate according to the actual speed rate of the multilink that connects, and adopts described adaptation rate to carry out the transmitting-receiving of data flow to the upper strata binding module.When receiving the data that binding module sends, data flow is distributed again, can adopt different speed with data flow transmission to ustomer premises access equipment; When receiving the data of ustomer premises access equipment, data stream is redistributed, adopt identical adaptation rate to the binding module transmitting data stream.
Bindings group is formed by two above link bundlings, and bindings group is the bi-directional logic link, can carry various data flow on this link, and the link of binding can have different speed, and each bindings group all has a unique bindings group sign.Described link can be DSL (Digital Subscriber Line, Digital Subscriber Line) circuit, ethernet link or ATM (Asynchronous Transfer Mode, asynchronous transfer mode) link.
As shown in Figure 2, present embodiment is bound example with atm link, and the local side apparatus in the system is example with A, and ustomer premises access equipment is example with B.Wherein, the business interface module is an example with atm interface A1 and B1, and binding module is an example with ATM binding module A2 and B2, and the binding management module is an example with binding management modules A 3 and B3, and the rate adapted module is an example with rate adapted modules A 4 and B4.
As shown in Figure 3, the method for different rates atm link binding may further comprise the steps in the present embodiment:
Local side apparatus will be good adaptation rate notice ustomer premises access equipment, ustomer premises access equipment carries out the work of follow-up bindings group binding according to this adaptation rate.Perhaps, also can calculate adaptation rate and notify local side apparatus by ustomer premises access equipment with result of calculation.Perhaps, calculate respectively by the computational methods of local side apparatus and ustomer premises access equipment agreement adaptation rate.
In other embodiments, also can calculate according to bandwidth.
In this step, the rate adapted module is calculated adaptation rate, provides consistent rate interface to the upper strata;
The method of calculating adaptation rate includes but not limited to following method:
1, be used as the adaptation rate of each bar link with the mean value of each bar link rate, perhaps the mean value with each bar link bandwidth is used as adaptive bandwidth;
For example, in an embodiment of the present invention, local side apparatus and ustomer premises access equipment can produce the identical adaptation rate of the link that each bar will bind according to the methods below.The ATM PVC that is 622Mbps such as the ATM PVC that will be 155Mbps with a speed (Permanent Virtual Circuit, PVC) and speed binds together, and adaptation rate is to be the mean value 388.5Mbps of two link rates so.It seems from binding module, is the link that two speed are 388.5Mbps on rate adapted module direction.
2, calculate adaptation rate with the factors such as total bandwidth, actual speed rate (bandwidth) and/or priority of each bar link.
For example, in the embodiments of the invention, can distribute certain coefficient to factors such as actual speed rate of each bar link (bandwidth) and priority, be weighted summation again, calculate adaptation rate.
In this step, the method that each bar link is bound with identical adaptation rate can be bound according to existing binding standard at various links, include but not limited to following standard:
1, at the binding standard IEEE 802.3ad of ethernet link;
2, at the binding standard I MA of atm link.In an embodiment of the present invention, local side apparatus and ustomer premises access equipment are bound according to the binding standard I MA of atm link.
So far, binding work is finished, and can realize the link bundling of different rates is carried out transfer of data together by above-mentioned binding method.
Fig. 4 carries out the flow chart of transfer of data for adopting embodiment of the invention binding method, may further comprise the steps:
In this step, the rate adapted module is undertaken by each bar link that data are redistributed and the method transmitted includes but not limited to following method:
1, carries out data allocations and transmission with the actual speed rate of each bar link;
2, carry out data allocations and transmission with the factors such as total bandwidth, actual speed rate (bandwidth) and/or priority of each bar link.
In the present embodiment, local side apparatus A and ustomer premises access equipment B 1 carry out transfer of data according to the method described above, and the link that guarantees each bar binding can make full use of its bandwidth and carry out the transmitting-receiving of data.
The binding management module of each equipment is monitored in real time to link, when monitoring link-state change, indication be will change and binding module and rate adapted module will be sent to respectively, the binding management module can be indicated and be rebulid bindings group, at this moment, the rate adapted module need recomputate adaptation rate, and binding module is carried out data transmit-receive according to new adaptation rate; The binding management module also can not indicated and be rebulid bindings group, at this moment, binding module is adjusted the link of data transmit-receive according to the link change situation, for example, if there is link to disconnect, the then enterprising line data transmitting-receiving of the residue link of binding module in this bindings group, the rate adapted module is also adjusted accordingly, and adaptation module can be carried out recomputating of adaptation rate as required.
When having many bindings group between local side equipment and the ustomer premises access equipment, the distribution transmission method and the said method of data are similar, repeat no more herein.
As mentioned above, realized the method and system of links with different rates binding, the function of the link bundling of a plurality of different rates being got up to form logical links at a high speed can be provided, solved the problem that links with different rates can not be bound, be used to improve the ability of link bundling, professional the carrying out of convenient binding.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. system that realizes links with different rates binding, it is characterized in that: described system comprises local side apparatus and ustomer premises access equipment, one or more bindings group between described local side apparatus and ustomer premises access equipment pass through link to each other, described local side apparatus and ustomer premises access equipment respectively comprise a rate adapted module, be used on link, carrying out the adaptive of speed, provide consistent rate interface the upper strata.
2. the system as claimed in claim 1, it is characterized in that, described rate adapted module calculates adaptation rate according to the actual speed rate of the link of its connection, adopt described adaptation rate to carry out the transmitting-receiving of data flow to the upper strata, adopt the actual conditions of the link of its connection to carry out the transmitting-receiving of data flow to lower floor; Described local side apparatus and ustomer premises access equipment are according to described adaptation rate binding link.
3. system as claimed in claim 2 is characterized in that, described local side apparatus and described ustomer premises access equipment also comprise binding module and binding management module respectively, wherein:
Described binding module is used to adopt described adaptation rate and described rate adapted module to carry out the transmitting-receiving of data flow;
Described binding management module is used for link is managed, and sends bindings group variation Indication message to described binding module and described rate adapted module;
Described rate adapted module is used for changing Indication message according to described bindings group, recomputates the adaptation rate of each link in the described bindings group and redistribute data flow on each link when the transmission data.
4. system as claimed in claim 2 is characterized in that, described rate adapted module calculate adaptation rate in the following ways in any one:
With the mean value of each link rate as adaptation rate;
Calculate the generation adaptation rate according to total bandwidth, actual speed rate and/or the priority of each bar link.
5. system as claimed in claim 2 is characterized in that, described rate adapted module is to the data transmit-receive of lower floor, in the following ways in any one:
Actual speed rate with each link is carried out data allocations and transmission;
Total bandwidth, actual speed rate and/or priority according to each bar link are carried out data allocations and transmission.
6. the system as claimed in claim 1 is characterized in that, each bindings group is made up of two above links; Described bindings group is based on Ethernet or asynchronous transfer mode; Described link comprises digital subscriber line, ethernet link and asynchronous transfer mode link.
7. method that realizes links with different rates binding may further comprise the steps:
(a) local side apparatus and/or ustomer premises access equipment calculate adaptation rate according to the actual speed rate of the link of its connection;
(b) described local side apparatus and ustomer premises access equipment are set up bindings group according to described adaptation rate, and the link bundling that adaptation rate is identical is a bindings group.
8. method as claimed in claim 7 is characterized in that, in described step (a), described calculating adaptation rate in the following ways in any one:
With the mean value of each link rate as adaptation rate;
Calculate the generation adaptation rate according to total bandwidth, actual speed rate and/or the priority of each bar link.
9. realize links with different rates binding and transmission method for one kind, may further comprise the steps:
(a) local side apparatus and/or ustomer premises access equipment calculate adaptation rate according to the actual speed rate of the link of its connection;
(b) described local side apparatus and ustomer premises access equipment are set up bindings group according to described adaptation rate, and the link bundling that adaptation rate is identical is a bindings group;
(c) when sending, adopt identical adaptation rate to carry out the distribution and the transmission of data flow on the binding module of transmitting apparatus each link in bindings group, after the rate adapted module of same equipment receives data flow, data stream is redistributed and transmitted according to the actual conditions of the link of its connection;
(d) when receiving, after the rate adapted module of receiving equipment receives data flow, carry out redistributing of data flow, data flow is sent to the binding module of same equipment with identical adaptation rate.
10. method as claimed in claim 9 is characterized in that, after described rate adapted module receives bindings group variation Indication message, recomputates the adaptation rate of each link in the described bindings group.
11. method as claimed in claim 9 is characterized in that, in described step (c), described rate adapted module is redistributed data stream according to the actual conditions of the link of its connection and is transmitted, in the following ways in any one:
Actual speed rate with each link is carried out data allocations and transmission;
Total bandwidth, actual speed rate and/or priority according to each bar link are carried out data allocations and transmission.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101067850A CN101262386B (en) | 2007-06-20 | 2007-06-20 | A method and system for binding and transmission of links with different rates |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101067850A CN101262386B (en) | 2007-06-20 | 2007-06-20 | A method and system for binding and transmission of links with different rates |
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| Publication Number | Publication Date |
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| CN101262386A true CN101262386A (en) | 2008-09-10 |
| CN101262386B CN101262386B (en) | 2011-07-13 |
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| CN2007101067850A Expired - Fee Related CN101262386B (en) | 2007-06-20 | 2007-06-20 | A method and system for binding and transmission of links with different rates |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895518B (en) * | 2009-05-18 | 2012-09-05 | 杭州华三通信技术有限公司 | Ethernet multipoint access method, Ethernet system and equipment |
| US9998298B2 (en) | 2013-04-22 | 2018-06-12 | Zte Corporation | Data transmission method, apparatus, and computer storage medium |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7903638B2 (en) * | 2005-02-09 | 2011-03-08 | Alcatel Lucent | Communication link bonding apparatus and methods |
| CN1941683A (en) * | 2005-09-30 | 2007-04-04 | 华为技术有限公司 | Method and system for re-distributing triggered link aggregate service |
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2007
- 2007-06-20 CN CN2007101067850A patent/CN101262386B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895518B (en) * | 2009-05-18 | 2012-09-05 | 杭州华三通信技术有限公司 | Ethernet multipoint access method, Ethernet system and equipment |
| US9998298B2 (en) | 2013-04-22 | 2018-06-12 | Zte Corporation | Data transmission method, apparatus, and computer storage medium |
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| CN101262386B (en) | 2011-07-13 |
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Granted publication date: 20110713 Termination date: 20170620 |