CN1968199A - Port convergence rate management system and port convergence rate oscillation suppression method - Google Patents
Port convergence rate management system and port convergence rate oscillation suppression method Download PDFInfo
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Abstract
The invention relates to a port collecting speed manage system and a method for restraining the speed vibration, wherein said system comprises character manage module for storing the member port information of Trunk; the port compare module for comparing the available member port number and maximum bandwidth sensitive chain number; speed fixing module for fixing the Trunk speed via the result of port comparing module. The inventive method comprises that: obtaining the available port number of Trunk; comparing the port number with maximum bandwidth sensitive chain number; when the portable number is higher than chain number, selecting the ports at middle speed, and using the sum of port speed as the speed of Trunk. The invention can restrain the speed vibration caused by bonded physical port and debonded, to supply stable network condition.
Description
Technical field
The present invention relates to the trunking administrative skill, the method for particularly a kind of port convergence rate management system and inhibition port convergence rate oscillation.
Background technology
Trunking (Trunk) is exactly the setting by configuration software, and a plurality of physical ports are combined becomes a logic port, and will belong to the bandwidth merging of these physical ports, provides a bandwidth that exclusively enjoys times over each physical port to logic port.Be tied to the member port that together physical port is called trunking, the user is configured logic port, realize various Routing Protocols and MPLS (Multiprotocol Label Switch, multiprotocol label switching)/VPN (Virtual Private Network, Virtual Private Network) etc. professional, all configurations to trunking finally all can change into the configuration to each member port of trunking.
The major function of trunking is exactly the passage of a plurality of physical links being bound a logic, and it is worked together just as a passage, and the logical links that the physical link of some little bandwidth can be combined into a bigger bandwidth uses.After a plurality of physical links are bound together, not only promoted the bandwidth of whole network, and data can also be simultaneously via bound a plurality of physical link transmission, effect with link redundancy, break down or other reasons when disconnecting wherein one or more physical link at network, remaining link can also be worked, thereby improves the reliability of transmission.
Trunking also provides load balance ability and System Fault Tolerance.Because the flow of trunking real-time balance respective switch port and server interface, in case certain physical port breaks down, its state becomes unavailable (DOWN) by available (UP), it can be cancelled non-working port automatically from the trunking group, and then redistribute the flow of the member port of each trunking, thereby realize System Fault Tolerance.
Support that the distinct device of trunking function is different to the physical port requirement of binding.The equipment that has does not allow the physical port of different bandwidth to mix binding, that is to say, the type of the physical port of binding in the trunking all must be identical, such as in the ether trunking or can only add 100,000,000 Ethernet interfaces, or just can only add the gigabit Ethernet interface.Port type is identical, and port speed is also identical, and port convergence rate can multiply by member port speed and obtained by available member port number this moment.The equipment that has allows the physical port of different bandwidth to mix binding, and the speed of the member port of trunking may be inequality, in this case, port convergence rate generally adopt trunking can with the method that directly adds up of member port speed calculate.
In above-mentioned two kinds of situations, port convergence rate all is its available member port speed sum.Bind/unbind as physical port, perhaps member port is available/and when down state changed, port convergence rate all can increase thereupon or reduce, and caused the change of port convergence rate, thus cause port convergence rate oscillation.Port convergence rate oscillation comprises frequency of oscillation and oscillation amplitude.Frequency of oscillation bind/unbind with physical port and the state of member port to change the frequency that takes place relevant; Oscillation amplitude with bind/unbind or the size of the physical port speed that state changes relevant, when but the state of binding/unbind the big member port of the big physical port of port speed or port speed is become unavailable or become the time spent by unavailable by available, oscillation amplitude is just big, otherwise, when but the state of binding/unbind the little member port of the little physical port of port speed or port speed is become unavailable or become the time spent by unavailable by available, oscillation amplitude is then little.
The calculating that port convergence rate oscillation can cause network to re-route, and to network carry out frequently, large-scale rerouting can cause the network data flow surge, thereby influence the stability of upper layer application.
Summary of the invention
The object of the present invention is to provide the method for a kind of port convergence rate management system and inhibition port convergence rate oscillation, by this system and method, suppress physical port binding, unbind and available/down state of physical port changes the vibration of the port convergence rate cause.
The invention provides a kind of port convergence rate management system, comprise attribute management module, port comparison module and speed determination module, wherein
Attribute management module is used for the member port information that storage port converges, and the state of the trunking member port received is changed the event notification port comparison module;
The port comparison module is used for obtaining the available member port number of trunking, and available member port number in the trunking and maximum bandwidth sensitive chain number are compared, and comparative result notice speed determination module;
The speed determination module, be used for when the available member port number of trunking is counted greater than maximum bandwidth sensitive chain, select the member port of the speed that mediates in several trunkings of maximum bandwidth sensitive chain, and with the member port speed sum the selected speed as trunking.
This port convergence rate management system can further include attribute and informs module, and attribute management module is informed module announcement upper layer network with the change of port convergence rate by attribute.
The invention provides a kind of method that suppresses port convergence rate oscillation, comprise step:
Steps A is obtained member port number available in the trunking, and member port number available in this trunking and maximum bandwidth sensitive chain number are compared;
Step B, when member port number available in the trunking is counted greater than maximum bandwidth sensitive chain, select the member port of the speed that mediates in several trunkings of maximum bandwidth sensitive chain, with the speed of selected member port speed sum as trunking.
In above-mentioned steps B, when member's port number is counted greater than maximum bandwidth sensitive chain, the available member port of trunking is carried out ascending order or descending sort according to its speed; And the center of trunking available member port formation after the ordering, select the member port that formation centre position and maximum bandwidth sensitive chain are counted same number, and with the speed of the member port selected and as the port speed of trunking.
Compared with prior art, the present invention is when calculating port convergence rate, if member port number available in the trunking is greater than the maximum bandwidth sensitive chain number, then select to count the member port sum of the speed that mediates of equivalent number as the speed of trunking with maximum bandwidth sensitive chain.Doing the physical port that can suppress two-forty to a certain extent like this binds/unbinds or physical state changes to the influence of port convergence rate, and the rerouting of the network that causes thus, for the upper network layer application provides a metastable network environment.
Description of drawings
Figure 1 shows that the schematic diagram of port convergence rate management system of the present invention;
Figure 2 shows that the schematic diagram of the member port that a trunking comprises;
Figure 3 shows that trunking member port shown in Figure 2 is through the schematic diagram after the ascending sort;
Figure 4 shows that the member port selected and the port convergence rate that draws by their rate calculations;
Figure 5 shows that the schematic diagram after trunking shown in Figure 2 carries out ascending sort at new physical port of binding and to all member ports;
Figure 6 shows that the schematic diagram that has the different option situations that satisfy condition according to different choosing methods;
Figure 7 shows that the port convergence rate that the option of final selection and the rate calculations by the member port chosen draw.
Embodiment
Basic thought of the present invention is, for trunking increases a parameter, that is, and the maximum bandwidth sensitive chain number, this maximum bandwidth sensitive chain number is actual to be to have set a upper limit threshold, and this upper limit threshold has been stipulated greatest member's port number that can comprise when calculating port convergence rate.When trunking can with the member port number be less than or equal to maximum bandwidth sensitive chain when counting, port convergence rate is all available member port speed sums, and the member port number that can use when trunking is when counting greater than maximum bandwidth sensitive chain, the speed sum of with maximum bandwidth sensitive chain counting the physical port of equivalent number of port convergence rate for picking out from all available member ports.
So in the present invention, under the situation of having set the maximum bandwidth sensitive chain number, when the member port number that can use when trunking was counted less than maximum bandwidth sensitive chain, the state of binding new physical port or member port again became availablely by unavailable, and then port convergence rate increases thereupon; When trunking can with member port number when being equal to or greater than maximum bandwidth sensitive chain and counting, the state of binding new physical port or member port again changes into availablely by unavailable, then port convergence rate can be determined by multiple method for optimizing.
As shown in Figure 1, when the physical layer events listening port changes at the physical layer interface state, such as take place the physical interface state by available become unavailable, perhaps by unavailable become available, can listen to events corresponding, and physical layer interface can be used/down state change event notice attribute management module.And upper strata action listener port upper network layer to the binding of trunking logic port configures physical port, unbind, can listen to events corresponding message, and with the event notice attribute management module of receiving.
Port convergence rate management system of the present invention shown in Fig. 1 comprises attribute management module, port comparison module and speed determination module.Attribute management module is used for the relevant information that storage port converges, as the speed of member port and the available/down state of member port.When the member port of trunking changes, as the binding of member port or unbind or member port available/when down state changed, attribute management module can receive events corresponding and notify the port comparison module.The port comparison module obtains the available member port number of trunking and compares with the maximum bandwidth sensitive chain number of setting after receiving the notice of attribute management module, and comparative result notice speed determination module.The speed determination module is determined the speed of trunking according to the available member port speed of the comparative result of port comparison module and trunking: if the member port number that trunking can be used greater than the maximum bandwidth sensitive chain number, then the speed determination module to trunking can with the member port formation of member port after sorting and will sorting in the speed summation of n member port mediating as the speed of trunking; If trunking can with the member port number be less than or equal to the maximum bandwidth sensitive chain number, then the member port speed that can use trunking of speed determination module directly summation as the speed of trunking.The maximum bandwidth sensitive chain number can be stored in attribute management module, perhaps is stored in the port comparison module.
Port convergence rate management system of the present invention can further include attribute and informs module, the speed determination module is at first informed module with the port convergence rate notification properties, informs that by attribute module informs that by attribute module is with port convergence rate change events advertised network upper strata then.
At first the setting of maximum bandwidth sensitive chain number is described below.
When the trunking member port state is very stable, the maximum bandwidth sensitive chain number can be set at an infinitely-great value, for example can represent with a negative.In the case, the calculating of port convergence rate is identical with the method for not setting the maximum bandwidth sensitive chain number, is all available member port speed sums, thereby makes the utilance of binding physical port reach maximum.
When Link State was unstable, according to the unstable situation of link, set the maximum bandwidth sensitive chain number: the frequency of oscillation of Link State was big more, the maximum bandwidth sensitive chain number of setting is more little, otherwise the frequency of oscillation of Link State is more little, and the maximum bandwidth sensitive chain number of setting is then big more.For example, a trunking has 5 member ports when threshold value is set, if corresponding physical link is stable or seldom vibration, then the maximum bandwidth sensitive chain number is set at a maximum, if the physical link idol has vibration, then the maximum bandwidth sensitive chain number is set at 4, and if physical link frequently vibrates, then the maximum bandwidth sensitive chain number is set at 3.The minimum value of maximum bandwidth sensitive chain number is 1.
And about the maximum bandwidth sensitive chain number whether along with the binding of the member port of trunking/unbind and change, can adopt two kinds of following methods:
Method one, after the maximum bandwidth sensitive chain number of trunking is set not with the binding of the member port of trunking/unbind and change.
Method two, after the maximum bandwidth sensitive chain number of trunking was set, when the member port number of trunking changed within the specific limits, the maximum bandwidth sensitive chain number remained unchanged.For example can set when the member port number of trunking 1 between 6 the time, the maximum bandwidth sensitive chain number of setting is 4 to remain unchanged.And when the member port number of trunking 7 when between 12, changing, the maximum bandwidth sensitive chain number of setting is 8 and remains unchanged.
Be presented in the method for optimizing that under the constant situation of maximum bandwidth sensitive chain number port convergence rate is calculated below, the maximum bandwidth sensitive chain number of supposing setting is n.
This method is preferentially chosen speed port placed in the middle in the member port that trunking can use, and constitutes the speed of trunking then with their speed sum.The member port that can restrain low rate and two-forty is so to a certain extent bound/is unbinded or the change of its state and the upper layer application protocol instability that cause too violent to the port convergence rate influence.
When the attribute administration module receives physical port and bind/unbind incident or physical layer interface can be with/unavailable incident the time, the determining of port convergence rate comprises the steps:
Step 1, port comparison module are obtained the current available member port number of trunking, and itself and maximum bandwidth sensitive chain number are compared, and comparative result notice speed determination module.
Step 2, the speed determination module is judged the comparative result of port comparison module notice, if the current available member port number of trunking is greater than the maximum bandwidth sensitive chain number, then the speed determination module to trunking can with the member port formation of member port after sorting and will sorting in the speed summation of n member port mediating as the speed of trunking; If trunking can with the member port number be less than or equal to the maximum bandwidth sensitive chain number, then the member port speed that can use trunking of speed determination module directly summation as the speed of trunking.
If the member port number that trunking can be used is greater than the maximum bandwidth sensitive chain number, then when determining port convergence rate, the speed determination module at first carries out ascending order or descending according to the speed size to all available member ports, then the speed summation of n the member port that is in the formation centre position in the member port sequence through ordering, the gained result is exactly a port convergence rate, and n equals the maximum bandwidth sensitive chain number herein.Suppose trunking can with the member port number be m, n the member port in then above-mentioned formation centre position can be determined by following method:
Step a gets its integer part with m divided by the result after 2, and the position i of gained is made as the center of formation.If for example m equals 5, be 2.5 then divided by the result after 2, its integer part is 2, so be exactly the center of formation this moment 2.
Step b from center i, chooses i+1 successively, i-1, and i+2, i-2 ..., until choosing n, the n of a gained member port is n the member port in formation centre position.
N the member port in above-mentioned formation centre position can also be determined by following method:
Step a1, m rounded up divided by the result after 2 obtains an integer i, and position i is made as the center of formation.If for example m equals 5, be 2.5 then divided by the result after 2, be 3 after rounding up, so be exactly the center of formation this moment 3.
Step b1 from center i, chooses i-1 successively, i+1, and i-2, i+2 ..., until choosing n, the n of a gained member port is n the member port in formation centre position.
As shown in Figure 4, a trunking comprises 5 available member ports, and the maximum bandwidth sensitive chain number is 3, after the port speed ascending sort, selects 3 member port summations that are in the formation center, and the gained result is exactly the speed of trunking.
The method of n member port that it is pointed out that above-mentioned two kinds of definite formation centre positions may obtain different results, as shown in Figure 6 in some cases.But this difference can be ignored the influence that effect of the present invention produces.
Said method is preferentially chosen the moderate available port of speed in the trunking member port when calculating port convergence rate, then with their speed of speed sum formation trunking port.Like this when the binding of the member port of two-forty, unbind or physical state when changing, the change of port convergence rate is usually less than the speed of this two-forty member port, thereby the change that can restrain the two-forty member port to a certain extent is too violent to the port convergence rate influence.Simultaneously, select the speed of the speed sum of speed member port placed in the middle, rather than the member port speed sum of low rate can make the bandwidth of the member port of trunking obtain more suitable utilization as the speed of trunking as trunking
To in the said method, the calculating of port convergence rate is elaborated when available member port number is counted greater than maximum bandwidth sensitive chain below in conjunction with accompanying drawing,, supposes that the maximum bandwidth sensitive chain number of setting equals 3 here.
Figure 2 shows that the current state of the available member port of trunking, five available member ports are arranged in the trunking, the speed of each member port as shown in the figure.
In order to calculate port convergence rate, port convergence rate management system at first carries out ascending order to available member port according to its speed to be arranged, and the state after the ordering as shown in Figure 3.3 member ports in the middle of choosing in the member port after ordering then, as shown in Figure 4, then port convergence rate is the speed sum of the member port chosen, i.e. 1000+1000+100=2100.
If bind a speed this moment again is 100 physical port, in order to calculate port convergence rate, then port convergence rate management system carries out ascending order to all available member ports according to its speed again and arranges, and the state after the ordering as shown in Figure 5.
3 member ports in the middle of choosing in the member port after ordering then, exist two kind selections according to different choosing methods this moment, as shown in Figure 6.In this case, can select with the immediate selection of former port convergence rate, the result of selection as shown in Figure 7, and port convergence rate is the speed sum of the member port chosen, i.e. 1000+1000+100=2100.
In the superincumbent object lesson, when new physical port of binding, the port convergence rate that the method according to this invention calculates does not change, thereby has reduced the frequency of trunking logic port rate oscillation.
In sum, the present invention is when calculating port convergence rate, if available member port number, is then preferentially chosen the moderate port of speed in the available member port of trunking greater than the maximum bandwidth sensitive chain number, constitute the speed of trunking then with their speed sum.The member port that can restrain two-forty so to a certain extent bind/unbind or the change of their physical states too violent to the port convergence rate influence, thereby suppress because port convergence rate changes the rerouting that causes, for the upper network layer application provides a metastable network environment, and make the bandwidth of member port obtain more suitable utilization.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. a port convergence rate management system is characterized in that, comprising:
Attribute management module is used for the member port information that storage port converges, and the state of the trunking member port received is changed the event notification port comparison module;
The port comparison module is used for obtaining the available member port number of trunking, and member port number available in the trunking and maximum bandwidth sensitive chain number are compared, and comparative result notice speed determination module;
The speed determination module, be used for when the available member port number of trunking is counted greater than maximum bandwidth sensitive chain, select the member port of the speed that mediates in several trunkings of maximum bandwidth sensitive chain, and with the member port speed sum the selected speed as trunking.
2. the system as claimed in claim 1 is characterized in that, storage maximum bandwidth sensitive chain number in the described port comparison module.
3. the system as claimed in claim 1 is characterized in that, described system further comprises:
Attribute is informed module, and attribute management module is informed module announcement upper layer network with the change of port convergence rate by attribute.
4. as any described system in the claim 1 to 4, it is characterized in that, if trunking can with the member port number be less than or equal to the maximum bandwidth sensitive chain number, the member port speed sum that the speed determination module can be used trunking is as port convergence rate.
5. method that suppresses port convergence rate oscillation comprises step:
Steps A is obtained member port number available in the trunking, and member port number available in this trunking and maximum bandwidth sensitive chain number are compared;
Step B, when member port number available in the trunking is counted greater than maximum bandwidth sensitive chain, select the member port of the speed that mediates in several trunkings of maximum bandwidth sensitive chain, with the speed of selected member port speed sum as trunking.
6. method as claimed in claim 5 is characterized in that, also comprises the steps:
Step C is when member port number available in the trunking is less than or equal to maximum bandwidth sensitive chain when counting, with the speed summation of the available member port in the trunking, as port convergence rate.
7. as claim 5 or 6 described methods, it is characterized in that, before steps A, comprise the steps:
The state change incident of attribute management module reception physical layer interface and the binding of upper strata member port, the incident that unbinds, and notice port comparison module execution in step A.
8. method as claimed in claim 6 is characterized in that, comprises the steps: behind step C
Attribute management module informs that by attribute module announces upper layer network with port convergence rate.
9. as claim 5 or 6 described methods, it is characterized in that the several frequencies of oscillation according to Link State of trunking maximum bandwidth sensitive chain are set.
10. as claim 5 or 6 described methods, it is characterized in that described step B comprises:
Step B1 carries out ascending order or descending sort with the available member port of trunking according to its speed;
Step B2, the centre position of available member port formation begins from the trunking after the ordering, select formation centre position and maximum bandwidth sensitive chain and count the member port of same number, and with the speed of the member port selected and as the port speed of trunking.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010045794A1 (en) * | 2008-10-23 | 2010-04-29 | 华为技术有限公司 | Method for obtaining link aggregation group information, and node and system thereof |
| CN104539671A (en) * | 2014-12-16 | 2015-04-22 | 广东侍卫长卫星应用安全股份公司 | Distributed data collecting method based on Beidou satellite positioning system |
| CN107210997A (en) * | 2014-11-19 | 2017-09-26 | 领特投资两合有限公司 | Physical medium relevant layers are bound |
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| CN108306783A (en) * | 2017-12-26 | 2018-07-20 | 深圳市泰信通信息技术有限公司 | Retransmission method, device based on SDN and computer readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010045794A1 (en) * | 2008-10-23 | 2010-04-29 | 华为技术有限公司 | Method for obtaining link aggregation group information, and node and system thereof |
| CN107210997A (en) * | 2014-11-19 | 2017-09-26 | 领特投资两合有限公司 | Physical medium relevant layers are bound |
| CN107210997B (en) * | 2014-11-19 | 2021-03-19 | 领特投资两合有限公司 | Physical media dependent layer binding |
| CN104539671A (en) * | 2014-12-16 | 2015-04-22 | 广东侍卫长卫星应用安全股份公司 | Distributed data collecting method based on Beidou satellite positioning system |
| CN104539671B (en) * | 2014-12-16 | 2018-05-18 | 广东侍卫长卫星应用安全股份公司 | A kind of distributed data collection method based on big-dipper satellite alignment system |
| CN107302501A (en) * | 2017-06-15 | 2017-10-27 | 郑州云海信息技术有限公司 | A kind of method and its device for adjusting network port polymerization |
| CN107302501B (en) * | 2017-06-15 | 2021-06-25 | 郑州云海信息技术有限公司 | Method and device for adjusting network port aggregation |
| CN108306783A (en) * | 2017-12-26 | 2018-07-20 | 深圳市泰信通信息技术有限公司 | Retransmission method, device based on SDN and computer readable storage medium |
| CN113572684A (en) * | 2020-04-28 | 2021-10-29 | 中国移动通信集团安徽有限公司 | Port flow determining method and device and computing equipment |
| CN113572684B (en) * | 2020-04-28 | 2022-11-08 | 中国移动通信集团安徽有限公司 | Port flow determining method and device and computing equipment |
| CN114793209A (en) * | 2021-01-07 | 2022-07-26 | 大唐移动通信设备有限公司 | Data transmission method and device and SDN (software defined network) equipment |
| CN114793209B (en) * | 2021-01-07 | 2024-05-24 | 大唐移动通信设备有限公司 | Data transmission method and device and SDN device |
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| CN100512224C (en) | 2009-07-08 |
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