CN101984586A - Method and device for monitoring multiple links - Google Patents

Method and device for monitoring multiple links Download PDF

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Publication number
CN101984586A
CN101984586A CN2010105313521A CN201010531352A CN101984586A CN 101984586 A CN101984586 A CN 101984586A CN 2010105313521 A CN2010105313521 A CN 2010105313521A CN 201010531352 A CN201010531352 A CN 201010531352A CN 101984586 A CN101984586 A CN 101984586A
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CN
China
Prior art keywords
multichain
bandwidth
subchain
available bandwidth
current available
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN2010105313521A
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Chinese (zh)
Inventor
范汇华
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ZTE Corp
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ZTE Corp
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Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN2010105313521A priority Critical patent/CN101984586A/en
Priority to PCT/CN2011/071561 priority patent/WO2012058888A1/en
Publication of CN101984586A publication Critical patent/CN101984586A/en
Pending legal-status Critical Current

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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
    • H04L41/06—Management of faults, events, alarms or notifications
    • 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
    • H04L43/0882—Utilisation of link capacity
    • 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
    • H04L43/16—Threshold monitoring

Abstract

The invention discloses a method for monitoring multiple links, which is used for realizing monitoring multiple links so as to find out whether multiple links congest to ensure normal transmission of information. The method comprises the following steps: obtaining the current available bandwidth of multiple links; judging whether the current available bandwidth of multiple links is less than the preset minimum bandwidth threshold; and adopting the bandwidth protection measures and giving out an alarm when the judgment result is affirmative. The invention also discloses a device for realizing the method.

Description

A kind of multichain monitoring method and device
Technical field
The present invention relates to the communications field, particularly a kind of multichain monitoring method and device.
Background technology
Along with the extensive use of PPP (Point to Point Protocol, point-to-point protocol), MPPP (PPPMultilink Protocol, ppp multilink protocol) also arises at the historic moment as the ppp feature Extended Protocol.It can realize the quick forwarding of data for the user provides bigger bandwidth, can also realize the subchain resource is carried out dynamic assignment simultaneously, effectively utilizes the subchain resource, and many low speed subchains are bundled into together, forms a multichain.The typical networking of multichain as shown in Figure 1.The maximum bandwidth of supposing every subchain is 2M bit/s, if three low speed subchains are bundled into a multichain, then this multichain maximum bandwidth is 2M*3bit/s, and promptly the bandwidth of multichain is the bandwidth sum of each subchain.
Yet, can't guarantee the minimum bandwidth of multichain polymerization in the prior art.For example, when needs transmission data, predict, if required multichain minimum bandwidth is 4M bit/s in transport process, congestion phenomenon can appear in the transmission of multichain during less than this bandwidth, and then cause time delay, can't satisfy the real-time requirement that message sends, wherein, can be that single user or multi-user are transmitted data.When as the multichain among Fig. 1, form by three subchains, the bandwidth of every subchain is 2M bit/s, the bandwidth of multichain is 6M bit/s, and required multichain minimum bandwidth is 4M bit/s in transport process, if there are two subchains to break down in this multichain, when having only a multichain operate as normal, available bandwidth has only 2M bit/s, can't satisfy the requirement of the minimum bandwidth of transmission needs, causes multichain congested.And do not have measures areput in the prior art, can't know whether multichain is congested.
Summary of the invention
The embodiment of the invention provides a kind of multichain monitoring method, is used to realize the monitoring to multichain, congestion phenomenon whether occurs, the normal transmission of guarantee information correctly to know multichain.
A kind of multichain monitoring method may further comprise the steps:
Obtain the current available bandwidth of multichain;
Judge that whether the current available bandwidth of described multichain is less than default minimum bandwidth threshold value;
When judged result when being, take the bandwidth protection measure, and send warning information.
A kind of multichain monitoring device comprises:
Computing module is used to obtain the current available bandwidth of multichain;
Comparison module is used to judge that whether the current available bandwidth of described multichain is less than default minimum bandwidth threshold value;
Protection module, be used for when judged result when being, send warning information.
The embodiment of the invention obtains the current available bandwidth of multichain; Judge that whether the current available bandwidth of described multichain is less than default minimum bandwidth threshold value; When judged result when being, take the bandwidth protection measure, and send warning information.Thereby when the part subchain breaks down when causing bandwidth not meet the demands, send warning information, whether break down, be convenient to carry out multichain and safeguard, prevent to cause message transmission time delay to occur because of multichain is congested to know multichain.
Description of drawings
Fig. 1 is the schematic network structure of multichain in the prior art;
Fig. 2 A is the primary structure figure of multichain monitoring device in the embodiment of the invention;
Fig. 2 B is the detailed structure view of multichain monitoring device in the embodiment of the invention;
Fig. 3 is the main flow chart of multichain monitoring method in the embodiment of the invention;
Fig. 4 is the detail flowchart of multichain monitoring method in the embodiment of the invention;
Fig. 5 is the detail flowchart that the multichain running status is recovered in the embodiment of the invention;
Fig. 6 need carry out the detail flowchart that the multichain protection is handled for determining whether in the embodiment of the invention.
Embodiment
The embodiment of the invention obtains the current available bandwidth of multichain; Judge that whether the current available bandwidth of described multichain is less than default minimum bandwidth threshold value; When judged result when being, take the bandwidth protection measure, and send warning information.Thereby when the part subchain breaks down when causing bandwidth not meet the demands, send warning information, whether break down, be convenient to carry out multichain and safeguard, prevent to cause message transmission time delay to occur because of multichain is congested to know multichain.
Referring to Fig. 2 A, the multichain device for monitoring comprises comparison module 201, protection module 202 and computing module 203 in the embodiment of the invention.Described device respectively has a cover at the two ends of multichain; the identical operations process is carried out at two ends simultaneously; to avoid following situation to take place: if described device only is positioned at an end of multichain; when detecting, this device have subchain to take place unusually in the multichain; this multichain is protected, stop its work, and this message is not known in the multichain opposite end; still send data or wait for the reception data, may cause fault like this to this end of multichain.
Comparison module 201 is used to judge that whether the current available bandwidth of multichain is less than default minimum bandwidth threshold value.Comparison module 201 compares current available bandwidth of multichain and default minimum bandwidth threshold value, judge that whether the current available bandwidth of multichain is less than the minimum bandwidth threshold value, if it is judged result then notifies protection module 202 to send warning information for being, unusual to know that this multichain takes place; If judged result is not, then this multichain continues operate as normal.
Protection module 202 be used for when judged result when being, take the bandwidth protection measure, and send warning information.Protection module 202 is used for when the current available bandwidth of multichain during less than the minimum bandwidth threshold value, the protection multichain.Preferable, safeguard measure can be the work that stops this multichain, promptly stops the current data forwarding of this multichain; Perhaps stop the work of this multichain, and with the switching services of this multichain to other standby multichain.For example a kind of switchover mode can be, the address that protection module 202 will receive data multichain thus switches to standby multichain, makes business information that transmitting terminal sends through standby multichain transmission, and do not re-use this multichain.Article one, multichain can have one or more standby multichain, and standby multichain is enabled when multichain breaks down, and the bandwidth of standby multichain equals the maximum available bandwidth of multichain at least.Protection module 202 sends warning information, breaks down in order to know this multichain, and is convenient to safeguard the multichain that breaks down in time location.
Computing module 203 is used to obtain the current available bandwidth of multichain.Multichain is when operation, and the subchain that has may occur causing this subchain unavailable unusually, and this subchain jumps to unactivated state by state of activation automatically, and the operating state position in its state machine changes.Computing module 203 is according to the remaining current available bandwidth of bandwidth calculation multichain that has activated subchain in the multichain, promptly according to the current current available bandwidth of bandwidth calculation multichain that has activated subchain of multichain, the current available bandwidth of described multichain is with the current bandwidth addition that has activated subchain in the multichain.Computing module 203 also is used to calculate the multichain maximum available bandwidth.Preferable, when computing module 203 is activated at first when multichain, calculate the total bandwidth of the subchain that has activated in the multichain, soon the bandwidth addition of the subchain that has activated in the multichain obtains the multichain maximum available bandwidth.Wherein, when initial activation multichain, each subchain in the multichain all can be activated, but the subchain that has this moment may occur unusual and cause and can not be activated, and these may be can't recover automatically unusual unusually.Therefore do not select the bandwidth addition of all subchains that will comprise in the multichain when calculating the maximum available bandwidth of multichain, but in the bandwidth addition of the subchain that multichain is initial have been activated in multichain after activating.
Referring to Fig. 2 B, described device also comprises detection module 204, negotiation module 205, and described device can also comprise configuration module 206.
Detection module 204 is used for multichain is detected.When detection module 204 changes when the operating state position in the state machine, multichain is detected, determine the current subchain that has activated of this multichain, detect current operational bandwidth in the multichain, be the current available bandwidth of multichain, the current available bandwidth of this multichain is the bandwidth sum of the subchain that activated in the multichain.Every subchain in the multichain all has a state machine, be used to write down the state of subchain, comprise a plurality of mode bits in the state machine, one of them mode bit is the operating state position, for example, if subchain is a state of activation, then this operating state position is " 1 ", if subchain is a unactivated state, then this operating state position is " 0 ".Judge whether certain subchain activates, can judge, perhaps can otherwise represent to activate and un-activation by the operating state position in the state machine of this subchain.Multichain is when operation, and the subchain that has may occur causing this subchain unavailable unusually, and this subchain jumps to unactivated state by state of activation automatically, and the operating state position in its state machine changes, and becomes " 0 " by " 1 ".When detection module 204 finds to have operating state position in the subchain state machine to change, promptly work as detection module 204 and find have the state of subchain to become un-activation by activation, when perhaps becoming activation by un-activation, begin the multichain at this subchain place is detected, determine the current subchain that has activated in the multichain.Wherein, the unactivated state of subchain may be that this multichain is not activated as yet; Also may be that fault has taken place this subchain; Or other subchain of this subchain place multichain breaks down, and is after protection module 202 is protected processing, that all subchains in this multichain are all out of service.
Negotiation module 205 is used to realize the negotiation binding of subchain.In multichain, negotiation module 205 is responsible for the negotiation work at every subchain two ends, and the definite through consultation maximum data that can transmit in subchain two ends is consulted the successfully bandwidth of this subchain of back acquisition, and this subchain is activated.This negotiation realizes that by the literary composition of transmitting messages mutually at the subchain two ends task of negotiation is a maximum bandwidth of determining that this subchain can be transmitted.One end of subchain sends message to the other end of subchain, this message carries the many information that can send how many data of an end of subchain, the other end of subchain is to an end returned packet of subchain, and the other end that this message carries subchain can receive the information of how many data at most.If the size of data of carrying in two messages equates, then the state of the state machine subchain of this subchain is set to activate, be about to the operating state position and be set to " 1 ", if the size of data of carrying in two messages is unequal, then need continue the literary composition of transmitting messages mutually, consult the size of data that two ends can be accepted.For example, the size of data that one end of subchain can send is 1000, the size of data that the other end of subchain can receive is 800, the size of data of carrying in then above-mentioned two messages is unequal, negotiation module 205 needs to continue by the two ends size of data that literary composition determines that these subchain two ends can be accepted of transmitting messages mutually, for example an end of subchain continues to send second message to the other end of subchain, the size of data that the end that this second message carries subchain can send is 800, and these data are the smaller value in the data entrained from the message that sends for the first time mutually.The other end of subchain is replied second message to an end of subchain after receiving this message, it is 800 that this message carries the size of data that the other end of subchain can receive, entrained size of data equates in above-mentioned two second messages, then consult to finish, operating state position in the state machine of negotiation module 205 these subchains of change, the operating state position is changed to " 1 " by " 0 ", activate this subchain.
Configuration module 206 is used to dispose the minimum bandwidth threshold value.Configuration module 206 is according to the needs configuration minimum bandwidth threshold value of using, and promptly according to transmitting required band width configuration, for example this minimum bandwidth threshold value can be for transmitting required minimum bandwidth.For the ease of comparison module 201 minimum bandwidth threshold value and the current available bandwidth of multichain are compared, configuration module 206 can also be stored default minimum bandwidth threshold value.For example, the maximum available bandwidth of multichain is 10, and the minimum bandwidth that needs during transmission is 6, and then configuration module 206 minimum bandwidth threshold values are set to 6.Wherein, the two ends of multichain are configured simultaneously, and the value of configuration need be consistent, and the value of configuration need be not more than the multichain maximum available bandwidth.
Introduce the method for multichain protection below by flow process.
Referring to Fig. 3, the main method flow process of multichain monitoring is as follows in the embodiment of the invention:
Step 301: obtain the current available bandwidth of multichain.
Step 302: judge that whether the current available bandwidth of described multichain is less than default minimum bandwidth threshold value.When judged result when being, continue step 303, otherwise multichain continues normal operation.
Step 303: when judged result when being, take the bandwidth protection measure, and send warning information.
Referring to Fig. 4, the detailed method flow process of multichain monitoring is as follows in the embodiment of the invention:
Determine to have in the multichain operating state position of the state machine of subchain to change.
Step 401: detect multichain.
Step 402: judged whether that subchain is unavailable.When judged result when being, execution in step 403, otherwise execution in step 406.Determine to take place unusual subchain by the state machine that changes.
Step 403: calculate the current available bandwidth of multichain.
Step 404: judge that whether the current available bandwidth of multichain is less than the minimum bandwidth threshold value.When judged result when being, continue step 405, otherwise continue step 406.
Step 405: stop the work of whole multichain, send warning information.If perhaps this multichain has standby multichain, can also be in standby multichain with the switching services of this multichain.Perhaps, also can just send warning information, and not stop the work of this multichain, this multichain can continue to transmit under the not enough situation of current available bandwidth.
Step 406: multichain normally moves.
After multichain being taked protection handle, may stop the operation of this multichain.If the trouble shooting of unusual subchain takes place in this multichain, the available bandwidth of this multichain has satisfied transmission demand again, then need recover the normal operating condition of this multichain.Referring to Fig. 5, the detailed process that the multichain running status is recovered in the embodiment of the invention is as follows:
After carrying out multichain protection and handling, this multichain quits work, and with the switching services of this multichain in its standby multichain.
Step 501: have subchain to remove fault in the multichain, activate the subchain of removing fault.But do not adopt this multichain transmission data this moment.
Whether step 502: judging has state machine to change in the multichain.When judged result when being, continue step 503, otherwise continue step 501.Wherein, said state machine changes and is meant that the operating state position in the state machine changes in this step.
Step 503: calculate the current available bandwidth of multichain.
Step 504: judge that whether the current available bandwidth of multichain is less than the minimum bandwidth threshold value.When judged result for not the time, continue step 505, otherwise continue step 501.
Step 505: the regular traffic that recovers multichain is handled, and multichain normally moves.Can realize this step by receiver address is switched to multichain by standby multichain.Wherein, need not during recovery to carry out the process that the minimum bandwidth threshold value was consulted and disposed to multichain again, multichain can directly move.
Referring to Fig. 6, it is as follows to determine whether to carry out the detailed method flow process that multichain detects in the embodiment of the invention:
Step 601: start multichain and consult, activate multichain.
Step 602: the maximum available bandwidth that calculates multichain according to the subchain that has activated in the multichain.
Step 603: configuration minimum bandwidth threshold value.According to needs of using and multichain maximum available bandwidth configuration minimum bandwidth threshold value.
Step 604: judge that the operating state position that whether has in the multichain in the state machine changes.When judged result when being, continue step 605, otherwise continue step 606.
Step 605: detect multichain.
Step 606: multichain normally moves.
The embodiment of the invention obtains the current available bandwidth of multichain; Judge that whether the current available bandwidth of described multichain is less than default minimum bandwidth threshold value; When judged result when being, take the bandwidth protection measure, and send warning information.Thereby when the part subchain breaks down when causing bandwidth not meet the demands, multichain is carried out safeguard measure, and send warning information, whether break down, be convenient to carry out multichain and safeguard, prevent to cause the congested of multichain, cause message transmission time delay to occur to know multichain.When the operating state position in the state machine of subchain changes, multichain is detected, thereby start detection flow process is when being necessary avoided unnecessary resource consumption.Set the minimum bandwidth threshold value, when the current available bandwidth of multichain is protected multichain during less than this minimum bandwidth threshold value, can protect multichain, made protection more timely and necessary in time more accurately.When multichain is protected, can stop the work of multichain, prevent to continue to transmit data and cause multichain congested and cause time delay with this multichain; The task of this multichain can also be switched in other standby multichain, make task be able to normal transmission, can not incur loss through delay; Send warning information, be convenient to time of knowing whether this multichain breaks down and break down, and be convenient to service equipment this multichain is safeguarded.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (10)

1. a multichain monitoring method is characterized in that, may further comprise the steps:
Obtain the current available bandwidth of multichain;
Judge that whether the current available bandwidth of described multichain is less than default minimum bandwidth threshold value;
When judged result when being, take the bandwidth protection measure, and send warning information.
2. the method for claim 1, it is characterized in that, obtaining also to comprise step before the current available bandwidth of multichain: in multichain, have the state of subchain to become un-activation by activation, when perhaps becoming activation by un-activation, multichain to this subchain place detects, and determines the subchain that has activated in this multichain;
The step that obtains the current available bandwidth of multichain comprises: the bandwidth according to the subchain that has activated in the detected multichain obtains the current available bandwidth of multichain.
3. method as claimed in claim 1 or 2 is characterized in that, the current available bandwidth of described multichain is the bandwidth sum of the subchain that activated in the multichain.
4. the method for claim 1 is characterized in that, described default minimum bandwidth threshold value is not more than the multichain maximum available bandwidth and is not less than the required bandwidth of transmission.
5. method as claimed in claim 4 is characterized in that, described multichain maximum available bandwidth is a multichain when being activated at first, the bandwidth sum of the subchain that has activated in this multichain.
6. the method for claim 1 is characterized in that, described safeguard measure is: stop the operation of multichain, perhaps stop the operation of multichain, and with the switching services of multichain in standby multichain.
7. a multichain monitoring device is characterized in that, comprising:
Computing module is used to obtain the current available bandwidth of multichain;
Comparison module is used to judge that whether the current available bandwidth of described multichain is less than default minimum bandwidth threshold value;
Protection module, be used for when judged result when being, take the bandwidth protection measure, and send warning information.
8. device as claimed in claim 7 is characterized in that, also comprises: detection module, be used for having the state of subchain to become un-activation by activation when multichain, perhaps become when activating, the multichain at this subchain place is detected, determine the subchain that has activated in this multichain by un-activation;
The bandwidth that described computing module is used for the subchain that activated according to detected multichain obtains the current available bandwidth of multichain.
9. as claim 7 or 8 described devices, it is characterized in that the current available bandwidth of described multichain is the bandwidth sum of the subchain that activated in the multichain.
10. device as claimed in claim 7 is characterized in that described protection module also is used to stop the operation of multichain, perhaps stops the operation of multichain, and with the switching services of multichain in standby multichain.
CN2010105313521A 2010-11-03 2010-11-03 Method and device for monitoring multiple links Pending CN101984586A (en)

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PCT/CN2011/071561 WO2012058888A1 (en) 2010-11-03 2011-03-07 Method and device for monitoring multiple links

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US11303796B2 (en) 2018-06-28 2022-04-12 Canon Kabushiki Kaisha Imaging apparatus, accessory apparatus, and communication control method
US11412125B2 (en) 2018-06-29 2022-08-09 Canon Kabushiki Kaisha Imaging apparatus, accessory apparatus, and communication control method

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CN110661964A (en) * 2018-06-28 2020-01-07 佳能株式会社 Image pickup apparatus, accessory apparatus, communication control method therefor, and storage medium
US11303796B2 (en) 2018-06-28 2022-04-12 Canon Kabushiki Kaisha Imaging apparatus, accessory apparatus, and communication control method
US11706523B2 (en) 2018-06-28 2023-07-18 Canon Kabushiki Kaisha Imaging apparatus, accessory apparatus, and communication control method
US11412125B2 (en) 2018-06-29 2022-08-09 Canon Kabushiki Kaisha Imaging apparatus, accessory apparatus, and communication control method

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Application publication date: 20110309