CN109818870A - A kind of multicast route selecting method, device, business board and machine readable storage medium - Google Patents
A kind of multicast route selecting method, device, business board and machine readable storage medium Download PDFInfo
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Abstract
The embodiment of the present disclosure provides a kind of multicast route selecting method, device, business board and machine readable storage medium, wherein multicast route selecting method is applied to business board, comprising: obtains the status information of other each business boards in network system；If determining that the first business board in other each business boards is extracted according to status information, then according to for counting each reachable link in the link set pre-established up to link, to corresponding interactive plate forwarding multicasting message, so that multicast message is forwarded in network system each business board in addition to the first business board by interaction plate, link set is the reachable link intersection with other each business boards.By this programme, the packet loss of multicast message can be reduced.
Description
Technical field
This disclosure relates to field of communication technology, it can more particularly to a kind of multicast route selecting method, device, business board and machine
Read storage medium.
Background technique
Multicasting technology be it is a kind of realize point-to-multipoint transmission technology, there is efficient bandwidth usage ability, and primary
To the ability of multiple receiving ends transmission identical data.In traditional multicast forwarding process, business board after receiving multicast message,
Multicast message is forwarded to interactive plate, interaction plate turns multicast message duplication according to the outgoing interface information carried in multicast message
It is dealt into each purpose business board, corresponding receiving end is forwarded to by each purpose business board.
In the network system of frame framework as shown in Figure 1, including multiple business boards and multiple interactive plates, business board 3
By configuring forwarding hardware, multicast message is sent to interaction plate 1 through link 5, and is interacted in the link between plate 1 and business board 1
Disconnected, then the signal of business board 1 can not be reached to the reply multicast message of business board 3 by interacting plate 1, and business board 3, which perceives, passes through chain
Road 5 can not reach business board 1, then can reconfigure forwarding hardware, select link 6,8 forwarding multicasting message of link 7 or link
To business board 1.In this manner it is possible to avoid the problem that leading to multicast message loss of forwarded packets because of a certain link down.
However, will appear the case where business board is extracted once in a while, online business board perceives in actual network system
The extraction of some business board is needed by a convergent process, as shown in Fig. 2, business board 3 is first when business board 2 is extracted
Perceive it is unreachable by link 6 and business board 2, at this time from the received multicast message of business board 3 can select link 5, link 7 or
Person's link 8 is forwarded, and lower a moment, business board 3 perceive it is unreachable by link 7 and business board 2, at this time from business board 3
Received multicast message can select link 5 or link 8 to be forwarded, and so on, multicast routing can converge to a link,
Until business board perceive all links it is all unreachable with business board 3 when, just can determine that business board 2 extract, then, then restore with
The multicast message of other business boards forwards, and in the process, due to the convergence of conversion link, forwarding bandwidth is constantly being reduced, and is led
Cause the multicast message forwarded to other online business boards that packet loss easily occurs.
Summary of the invention
The embodiment of the present disclosure is designed to provide a kind of multicast route selecting method, device, business board and machine readable storage
Medium, to reduce the packet loss of multicast message.Specific technical solution is as follows:
In a first aspect, the embodiment of the present disclosure provides a kind of multicast route selecting method, applied to the net including multiple business boards
Business board in network system, which comprises
Obtain the status information of other each business boards in network system；
If determining according to the state information, the first business board in other described each business boards is extracted, according to for uniting
Each reachable link in the link set pre-established up to link is counted, to corresponding interactive plate forwarding multicasting message, so that institute
It states interactive plate and the multicast message is forwarded to each business board in the network system in addition to first business board, it is described
Link set is the reachable link intersection with other each business boards.
Second aspect, the embodiment of the present disclosure provides a kind of multicast channel selection device, applied to the net including multiple business boards
Business board in network system, described device include:
Module is obtained, for obtaining the status information of each business board of other in network system；
Configuration module, if for determining that the first business board in other described each business boards pulls out according to the state information
Out, then it is forwarded according to for counting each reachable link in the link set pre-established up to link to corresponding interactive plate
Multicast message, so that the multicast message is forwarded in the network system in addition to first business board by the interactive plate
Each business board, the link set is reachable link intersection with other each business boards.
The third aspect, the embodiment of the present disclosure provide a kind of business board, including exchange chip and machine readable storage medium,
The machine readable storage medium is stored with the machine-executable instruction that can be executed by the exchange chip, the exchange chip
Promoted by the machine-executable instruction: realizing method and step described in embodiment of the present disclosure first aspect.
Fourth aspect, the embodiment of the present disclosure provide a kind of machine readable storage medium, are stored with machine-executable instruction,
When being called and being executed by exchange chip, the machine-executable instruction promotes the exchange chip: realizing the embodiment of the present disclosure
Method and step described in first aspect.
A kind of multicast route selecting method, device, business board and the machine readable storage medium that the embodiment of the present disclosure provides, business
Plate passes through the status information for obtaining other each business boards in network system, if being determined in other each business boards according to status information
First business board is extracted, then according to for counting each reachable link in the link set pre-established up to link, to correspondence
Interaction plate forwarding multicasting message so that interaction plate multicast message is forwarded to it is each in addition to the first business board in network system
Business board, wherein link set is the reachable link intersection with other each business boards.It is extracted if there is the first business board, then
The business board for sending multicast message can be forwarded according to the reachable link in the link set pre-established to corresponding interactive plate
Multicast message can remove the first industry since interaction plate is disconnected with the first business board extracted directly into network system
Each business board forwarding multicasting message other than business plate, it is no longer necessary to which the detection for carrying out link accessibility is avoided because link is reachable
Property detect caused by conversion link convergence problem, to reduce the packet loss of multicast message.
Detailed description of the invention
In order to illustrate more clearly of the embodiment of the present disclosure or technical solution in the prior art, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Disclosed some embodiments for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the block schematic illustration of multicast routing in the network system of the prior art；
Fig. 2 is the block schematic illustration for the multicast routing that the business board of the prior art is extracted；
Fig. 3 is the flow diagram of the multicast route selecting method of one embodiment of the disclosure；
Fig. 4 is the flow diagram of the multicast route selecting method of another embodiment of the disclosure；
Fig. 5 is the block schematic illustration of multicast routing in the multicast forwarding system of the embodiment of the present disclosure；
Fig. 6 is the flow diagram of the multicast route selecting method of disclosure another embodiment；
Fig. 7 is the structural schematic diagram of the multicast channel selection device of the embodiment of the present disclosure；
Fig. 8 is the structural schematic diagram of the business board of the embodiment of the present disclosure.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present disclosure, the technical solution in the embodiment of the present disclosure is carried out clear, complete
Site preparation description, it is clear that described embodiment is only disclosure a part of the embodiment, instead of all the embodiments.It is based on
Embodiment in the disclosure, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the range of disclosure protection.
In order to reduce the packet loss of multicast message, the embodiment of the present disclosure provides a kind of multicast route selecting method, device, business
Plate and machine readable storage medium.In the following, multicast route selecting method provided by the embodiment of the present disclosure is introduced first.
The executing subject of multicast route selecting method provided by the embodiment of the present disclosure can be the network for including multiple business boards
Business board in system.Network system can be to contain the system of the various network equipments in traditional sense, then business board can be with
It is interpreted as the network equipment with business transfer capability and traffic handing capacity；Network system can also be router, interchanger
Equal route exchange devices, for carrying out multicast forwarding, business board is the business board on route exchange device.
As shown in figure 3, a kind of multicast route selecting method provided by the embodiment of the present disclosure, applied to including multiple business boards
Business board in network system, the multicast route selecting method may include steps of:
S301 obtains the status information of other each business boards in network system.
The state of other business boards in network system can be monitored in real time in business board, specifically, business board can be periodical
Ground sends state detection information to other business boards, if receiving detection feedback information and being not sky, illustrates the industry of detection
Business plate is online, if not receiving detection feedback information, illustrates that the business board of detection is extracted.Certainly, business board can also week
The status information of itself is broadcasted to phase property to other business boards, business board can also broadcast one to other business boards when extracted
The status information or notification message of extraction.
S302, if determining that the first business board in other each business boards is extracted according to status information, according to for counting
Each reachable link in link set pre-established up to link, to corresponding interactive plate forwarding multicasting message, so that interaction
Multicast message is forwarded in network system each business board in addition to the first business board by plate, wherein link set be and other
The reachable link intersection of each business board.
Based on the status information got, it can determine that corresponding business board is normal online, failure or extracts
, it, can be according to the reachable link in link set, to right if the first business board at this time in other each business boards is extracted
The interaction plate forwarding multicasting message answered, link set are that the link that is in advance based between the business board and other each business boards is reachable
Property establish, link set be the business board and other each business boards reachable link intersection, by reachable in link set
Link and each business board link that other can normally be interacted are reachable.When determining that the first business board is extracted, multicast choosing is not changed
Road, the forwarding for carrying out multicast message still according to the reachable link in link set are then interacted since the first business board has been extracted
Plate can into the network system in addition to the first business board each business board (may include send multicast message business board
Forwarding multicasting message, the extraction of the first business board do not influence to the normal forwarding multicasting message of other business boards in itself).
Using the present embodiment, business board passes through the status information for obtaining other each business boards in network system, if according to shape
State information determines that the first business board in other each business boards is extracted, then according to for counting the link pre-established up to link
Each reachable link in set, to corresponding interactive plate forwarding multicasting message, so that multicast message is forwarded to network by interaction plate
Each business board in system in addition to the first business board, wherein link set is the reachable link intersection with other each business boards.
If there is the first business board extract, then send multicast message business board can according in the link set pre-established can
It,, can be with since interaction plate is disconnected with the first business board extracted to corresponding interactive plate forwarding multicasting message up to link
Each business board forwarding multicasting message directly into network system in addition to the first business board, it is no longer necessary to carry out link accessibility
Detection, avoid because link accessibility detection caused by conversion link convergence problem, to reduce the packet loss of multicast message
Rate.
Based on embodiment illustrated in fig. 3, the process flow of specific multicast route selecting method can be divided into business board start-up course
In process flow and timing detection refresh the process flow of multicast forwarding link, as shown in figure 4, in business board start-up course
Process flow, may include steps of:
S401, response initialization start-up operation.
Each business board can all send an initialization starting request when powering on to master control borad, and master control borad is receiving
To after initialization starting request, initialization start-up operation can be carried out to business board, business board responds the initialization start-up operation, complete
Start at initialization.
S402 obtains the link state in network system between each interactive plate and each business board, determining and other each business
Reachable link between plate.
Network system includes multiple business boards and multiple interactive plates, and interaction plate carries out the net of data interaction between business board
Plate can also include a monitoring device in network system, for monitoring each interactive plate and each business board in multicast forwarding system
Between link state, certainly, interaction plate or business board monitoring function also can be set, if link down (link hair
Raw failure, business board break down or business board is extracted etc.), each business board in network system can be got by software
The link state of the link down, business board can determine the reachable chain between other each business boards according to link state
Road.As shown in figure 5, business board 3 can determine and business if monitoring the link down between interactive plate 1 and business board 1
The reachable link of plate 1 is link 6, link 7 and link 8.
S403 takes the intersection of each reachable link, establishes link set.
After reachable link of the business board between determining and other each business boards, it can determine and other all business
Up to the intersection of link between plate, link set is established.As shown in figure 5, link down, friendship between interaction plate 1 and business board 1
Link down between mutual plate 4 and business board 2, other links are normal, then can determine between business board 3 and business board 1
It is link 6, link 7 and link 8 up to link, the reachable link between business board 3 and business board 2 is link 5, link 6 and chain
Road 7, the reachable link between business board 3 and business board 4 is link 5, link 6, link 7 and link 8, then can establish link set
It closes, including link 6 and link 7.Business board 3 passes through link 6 or link 7 and business board 1, business board 2 and business board 4
It reaches.
S404 configures forwarding hardware, to corresponding interactive plate forwarding multicasting report according to the reachable link in link set
Text, so that multicast message is forwarded to each business board in network system by interaction plate.
Due to reachable by each reachable link in link set and other each business boards, forwarding hardware is configured at this time,
It is selected up to any reachable link in link intersection by the configuration of hardware circuit as multicast forwarding link forwarding multicasting report
Text, it is ensured that the accessibility of multicast message, also, it effectively prevent the generation of packet loss.It can be with configuration group when configuring forwarding hardware
It broadcasts IP address, the MAC Address of purpose business board etc. of text, which purpose business board forwarding multicasting message is about successively oriented.
The process of above-mentioned specific multicast route selecting method can be executed by SW (Switch, exchange) chip in business board,
Above-mentioned business board can be LPU (Line Processing Unit, line card processing board), and interaction plate can be SFU
(Switching Fabric Unit, switching matrix plate).
S405 starts fixed cycle operator, when reaching default timing cycle, reacquires in network system each interactive plate and each
Link state between business board, the reachable link between determination and other each business boards, and according to each reachable of reacquisition
Link refreshes link set.
After business board configures forwarding hardware, it can star a fixed cycle operator, timing acquisition and other business boards
Up to link, since link state may be influenced by network environment, equipment running status etc., link state is possible to become
Change, in order to perceive the variation of link state in time, can timing each link of acquisition link state, and then the refreshing chain of timing
Road set, further, the link for the forwarding multicasting message that can timely update.
Using the present embodiment, business board obtains each interaction in network system after completing initialization starting, through software
Link state between plate and each business board, can determine with the reachable link between other each business boards, take up to link
Link set is established in intersection, and the reachable link in link set can guarantee that the multicast message sent respectively can be normal up to other
Interactive business board, in this way, configuring forwarding hardware according to link set, it is ensured that the accessibility of multicast message passes through software
Process realizes multicast routing, and the operation of multicast routing is executed after business board completes initialization starting, guarantees business board starting
Multicast forwarding is available afterwards, and after configuration forwarding hardware determines multicast forwarding link, starts fixed cycle operator, pass through reacquisition
The link state of each link refreshes link set, ensure that and timely respond to link change.
As shown in fig. 6, refreshing the process flow of multicast forwarding link for timing detection, may include steps of:
S601 obtains the link in network system between each interactive plate and each business board when reaching default timing cycle
State, the reachable link between determination and other each business boards.
S602 refreshes link set according to each reachable link of reacquisition.
In the network system of one normal table, multicast routing is usually maintained constant, but when certain business in system
The reachable link of plate changes, as business board insertion perhaps extract or interaction plate and business board between link occur it is different
Link down is often resulted in, just needs to be updated multicast routing at this time.In the present embodiment, a timed task is created,
The reachable link between other each business boards is obtained according to default timing cycle, real-time monitoring update is carried out to multicast routing,
If link state changes, the reachable link in link set changes immediately, in this way, the reachable chain in link set
Road reachable link corresponding with the forwarding hardware of current-configuration can be inconsistent, then needs to update multicast routing result.
S603 judges the reachable link reachable chain corresponding with the forwarding hardware of current-configuration in the link set after refreshing
Whether road is consistent, executes S604 if consistent, otherwise executes S605.
S604 keeps the forwarding hardware being currently configured, to corresponding interactive plate forwarding multicasting message, so as to interact plate for group
Casting text is forwarded to each business board in network system.
If the reachable link reachable link corresponding with the forwarding hardware of current-configuration in link set is consistent, illustrate
There is no variations for the link state of each link in current timing cycle, and business board failure, extraction, link event do not occur
Phenomena such as barrier, then can continue to keep current forwarding hardware to configure, still according to corresponding reachable link as multicast forwarding
Link forwarding multicasting message terminates the detection of this multicast forwarding link.
S605, judge refresh after link set in reachable link it is corresponding compared to the forwarding hardware of current-configuration can
Whether reduced up to link, execute S606 if reducing, executes S608 if increasing.
If the reachable link reachable link corresponding with the forwarding hardware of current-configuration in link set is inconsistent, say
It is bright to there is link state to change in current timing cycle, the variation of link state may include up to link increase or
Person is reduced.Up to link increase, exactly increased newly can with the link of forwarding multicasting message (link-recovery including failure is just
Often)；Up to the reduction of link, the reachable link for being exactly is interrupted.
S606 obtains the status information of the first business board, judgement for corresponding first business board of reachable link of reduction
Whether the first business board is extracted, and if so then execute S607, otherwise executes S608.
S607, according to the reachable link in link set, to corresponding interactive plate forwarding multicasting message, so that interaction plate will
Multicast message is forwarded in network system each business board in addition to the first business board.
Up to the reduction of link, it may be possible to because of link failure, it is also possible to be because of business board failure, it is also possible to
It is because business board is extracted.The case where being extracted for business board, after business board extraction, the business board and other business boards without
It closes, then deletes the relevant information of the first business board from the forwarding hardware of configuration, and can't become in link set up to link
Change, continues with the reachable link in link set, each business board forwarding group into network system in addition to the first business board
Casting text.
S608 reconfigures forwarding hardware according to the reachable link in the link set after refreshing, to corresponding interactive plate
Forwarding multicasting message, so that multicast message is forwarded to each business board in network system by interaction plate.
If the business board status of the corresponding business board of reachable link reduced is not extraction state, illustrate up to link
Reduction be because the factors such as link failure, business board failure cause, corresponding business board also with other business board phases in system
It closes, therefore, it is necessary to refresh multicast forwarding link.If the reachable link in link set after refreshing is compared to current-configuration
The corresponding reachable link of forwarding hardware increases, i.e., explanation has broken link to restore normal connection again, then needs to refresh multicast
Conversion link.It, can be by the configuration of software records forwarding hardware, so as to next presetting after refreshing multicast forwarding link
When the period to whether thering is the refreshing of reachable link to judge.
Using the present embodiment, by starting fixed cycle operator, the link state of each link in timing acquisition network system, according to this
Link set is updated, if detected since business board extraction causes multicast forwarding link to update, does not issue the of extraction
The corresponding forwarding hardware of one business board avoids multicast according to the reachable link forwarding multicasting message in original link set
Multicast message packet loss caused by link convergence.Also, when reaching timing cycle, by reacquiring each interactive plate and each industry
Link state between business plate, refreshes link set, ensure that and timely respond to link change.
Corresponding to above method embodiment, the embodiment of the present disclosure provides a kind of multicast channel selection device, is applied to business board,
As shown in fig. 7, the multicast channel selection device may include:
Module 710 is obtained, for obtaining the status information of each business board of other in network system；
Configuration module 720, if for determining the first business board in other described each business boards according to the state information
It extracts, then according to for counting each reachable link in the link set pre-established up to link, turns to corresponding interactive plate
Send out multicast message so that the interactive plate by the multicast message be forwarded in the network system except first business board with
Outer each business board, the link set are the reachable link intersection with other each business boards.
Optionally, described device can also include:
Respond module, for responding initialization start-up operation；
Determining module is determined for obtaining the link state in the network system between each interactive plate and each business board
With the reachable link between other described each business boards；
Module is established, for taking the intersection of each reachable link, establishes link set；
The configuration module 720 can be also used for configuring forwarding hardware according to the reachable link in the link set,
To corresponding interactive plate forwarding multicasting message, so that the multicast message is forwarded in the network system by the interactive plate
Each business board；
Timing module, when reaching default timing cycle, reacquires in the network system for starting fixed cycle operator
Link state between each interactive plate and each business board, the determining reachable link between other described each business boards, and according to
Each reachable link reacquired, refreshes the link set.
Optionally, described device can also include:
Judgment module, for judging that the reachable link in the link set after refreshing is corresponding with the forwarding hardware of current-configuration
Reachable link it is whether consistent；If inconsistent, the reachable link in the link set after judging the refreshing is compared to described
Whether the corresponding reachable link of the forwarding hardware of current-configuration is reduced；
The configuration module 720, if specifically can be used for the judging result of the judgment module to reduce, for reduction
Corresponding first business board of reachable link, the status information of first business board is obtained, if executing described according to the shape
State information determines that the first business board in other described each business boards is extracted, then pre-establishes according to for counting up to link
Each reachable link in link intersection, the step of to corresponding interactive plate forwarding multicasting message.
Optionally, the configuration module 720, if specifically can be used for determining first business according to the state information
Plate is not extracted, then according to the reachable link in the link set after the refreshing, reconfigures forwarding hardware, to corresponding interaction
Plate forwarding multicasting message, so that the multicast message is forwarded to each business board in the network system by the interactive plate.
Optionally, the configuration module 720, if the judging result that specifically can be also used for the judgment module is to increase,
Then according to the reachable link in the link set after the refreshing, forwarding hardware is reconfigured, to corresponding interactive plate forwarding group
Casting text, so that the multicast message is forwarded to each business board in the network system by the interactive plate.
Using this implementation column, business board passes through the status information for obtaining other each business boards in network system, if according to shape
State information determines that the first business board in other each business boards is extracted, then according to for counting the link pre-established up to link
Each reachable link in set, to corresponding interactive plate forwarding multicasting message, so that multicast message is forwarded to network by interaction plate
Each business board in system in addition to the first business board, wherein link set is the reachable link intersection with other each business boards.
If there is the first business board extract, then send multicast message business board can according in the link set pre-established can
It,, can be with since interaction plate is disconnected with the first business board extracted to corresponding interactive plate forwarding multicasting message up to link
Each business board forwarding multicasting message directly into network system in addition to the first business board, it is no longer necessary to carry out link accessibility
Detection, avoid because link accessibility detection caused by conversion link convergence problem, to reduce the packet loss of multicast message
Rate.
The embodiment of the present disclosure additionally provides a kind of business board, as shown in figure 8, including exchange chip 801 and machine readable depositing
Storage media 802, the machine readable storage medium 802, which is stored with, can be performed by the machine that the exchange chip 801 executes
Instruction, the exchange chip 801 are promoted by the machine-executable instruction: realizing multicast routing provided by the embodiment of the present disclosure
The step of method.
Above-mentioned machine readable storage medium may include RAM (Random Access Memory, random access memory),
It also may include NVM (Non-volatile Memory, nonvolatile memory), for example, at least a magnetic disk storage.It is optional
, machine readable storage medium can also be that at least one is located remotely from the storage device of aforementioned exchange chip.
Above-mentioned exchange chip can be general processor, including CPU, NP etc.；Can also be DSP, ASIC, FPGA or its
His programmable logic device, discrete gate or transistor logic, discrete hardware components.
In the present embodiment, exchange chip 801 refers to by the way that the machine stored in read machine readable storage medium storing program for executing 802 is executable
Enable, promoted to realize by machine-executable instruction: business board passes through the status information for obtaining other each business boards in network system, if
It determines that the first business board in other each business boards is extracted according to status information, is then pre-established according to for counting up to link
Link set in each reachable link, to corresponding interactive plate forwarding multicasting message, so that interaction plate forwards multicast message
Each business board into network system in addition to the first business board, wherein link set is the reachable chain with other each business boards
Road intersection.It is extracted if there is the first business board, then the business board for sending multicast message can be according to the link set pre-established
Reachable link in conjunction, to corresponding interactive plate forwarding multicasting message, since interaction plate is disconnected with the first business board extracted
Connection, can each business board forwarding multicasting message directly into network system in addition to the first business board, it is no longer necessary to carry out
The detection of link accessibility, conversion link convergence problem caused by avoiding because of the detection of link accessibility, to reduce multicast
The packet loss of message.
In addition, the embodiment of the present disclosure additionally provides a kind of machine readable storage medium, it is stored with machine-executable instruction,
When being called and executed by exchange chip, the machine-executable instruction promotes the exchange chip: realizing embodiment of the present disclosure institute
The step of multicast route selecting method of offer.
In the present embodiment, machine readable storage medium executes multicast routing side provided by the embodiment of the present disclosure at runtime
The machine-executable instruction of method, therefore can be realized: business board is believed by obtaining the state of other each business boards in network system
Breath, if determining that the first business board in other each business boards is extracted according to status information, according to for counting pre- up to link
Each reachable link in the link set first established, to corresponding interactive plate forwarding multicasting message, so as to interact plate for a group casting
Text is forwarded in network system each business board in addition to the first business board, wherein link set be and other each business boards
Up to link intersection.It is extracted if there is the first business board, then the business board for sending multicast message can be according to pre-establishing
Reachable link in link set, to corresponding interactive plate forwarding multicasting message, due to interaction plate and the first business extracted
Plate disconnects, can each business board forwarding multicasting message directly into network system in addition to the first business board, no longer need
The detection of link accessibility is carried out, conversion link convergence problem caused by avoiding because of the detection of link accessibility, to reduce
The packet loss of multicast message.
The embodiment of the present disclosure can also provide a kind of route exchange device, include multiple in the route exchange device such as Fig. 8
Shown in business board, the step of multicast route selecting method provided by the embodiment of the present disclosure may be implemented in each business board.
For business board and machine readable storage medium embodiment, since the method content that it is related to is substantially similar
In embodiment of the method above-mentioned, so being described relatively simple, the relevent part can refer to the partial explaination of embodiments of method.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device,
For business board and machine readable storage medium embodiment, since it is substantially similar to the method embodiment, so the ratio of description
Relatively simple, the relevent part can refer to the partial explaination of embodiments of method.
The foregoing is merely the preferred embodiments of the disclosure, are not intended to limit the protection scope of the disclosure.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principle of the disclosure, are all contained in the protection scope of the disclosure
It is interior.
Claims (12)
1. a kind of multicast route selecting method, which is characterized in that applied to the business board in the network system including multiple business boards, institute
The method of stating includes:
Obtain the status information of other each business boards in network system；
If determining according to the state information, the first business board in other described each business boards is extracted, can according to being used to count
Each reachable link in the link set pre-established up to link, to corresponding interactive plate forwarding multicasting message, so that the friendship
The multicast message is forwarded to each business board in the network system in addition to first business board, the link by mutual plate
Collection is combined into the reachable link intersection with other each business boards.
2. the method according to claim 1, wherein the method also includes:
Response initialization start-up operation；
Obtain the link state in the network system between each interactive plate and each business board, determining and other described each business boards
Between reachable link；
The intersection for taking each reachable link, establishes link set；
According to the reachable link in the link set, forwarding hardware is configured, to corresponding interactive plate forwarding multicasting message, so that
The multicast message is forwarded to each business board in the network system by the interactive plate；
Start fixed cycle operator, when reaching default timing cycle, reacquires each interactive plate and each business in the network system
Link state between plate, the determining reachable link between other described each business boards, and according to each reachable of reacquisition
Link refreshes the link set.
3. according to the method described in claim 2, it is characterized in that, refreshing in each reachable link according to reacquisition
After the link set, the method also includes:
Judge refresh after link set in reachable link reachable link corresponding with the forwarding hardware of current-configuration whether one
It causes；
If inconsistent, the reachable link in the link set after judging the refreshing is hard compared to the forwarding of the current-configuration
Whether the corresponding reachable link of part is reduced；
If reducing, for corresponding first business board of reachable link reduced, the status information of first business board is obtained,
If the first business board extraction determined in other described each business boards according to the state information is executed, according to for uniting
Each reachable link in the link intersection pre-established up to link is counted, the step of to corresponding interactive plate forwarding multicasting message.
4. according to the method described in claim 3, it is characterized in that, described for corresponding first industry of reachable link reduced
It is engaged in plate, after the status information for obtaining first business board, the method also includes:
If determining according to the state information, first business board is not extracted, according in the link set after the refreshing
Up to link, forwarding hardware is reconfigured, to corresponding interactive plate forwarding multicasting message, so that the interactive plate is by the multicast
Message is forwarded to each business board in the network system.
5. according to the method described in claim 3, it is characterized in that, in the link set after the judgement refreshing can
After whether being reduced up to link reachable link corresponding compared to the forwarding hardware of the current-configuration, the method also includes:
If increasing, according to the reachable link in the link set after the refreshing, forwarding hardware is reconfigured, to corresponding friendship
Mutual plate forwarding multicasting message, so that the multicast message is forwarded to each business board in the network system by the interactive plate.
6. a kind of multicast channel selection device, which is characterized in that applied to the business board in the network system including multiple business boards, institute
Stating device includes:
Module is obtained, for obtaining the status information of each business board of other in network system；
Configuration module, if for determining that the first business board in other described each business boards is extracted according to the state information,
According to for counting each reachable link in the link set pre-established up to link, to corresponding interactive plate forwarding multicasting report
Text, so that the multicast message is forwarded to each industry in the network system in addition to first business board by the interactive plate
Business plate, the link set are the reachable link intersection with other each business boards.
7. device according to claim 6, which is characterized in that described device further include:
Respond module, for responding initialization start-up operation；
Determining module, for obtaining the link state in the network system between each interactive plate and each business board, determining and institute
State the reachable link between other each business boards；
Module is established, for taking the intersection of each reachable link, establishes link set；
The configuration module is also used to forwarding hardware be configured, to corresponding interaction according to the reachable link in the link set
Plate forwarding multicasting message, so that the multicast message is forwarded to each business board in the network system by the interactive plate；
Timing module, when reaching default timing cycle, is reacquired and is respectively handed in the network system for starting fixed cycle operator
Link state between mutual plate and each business board, the determining reachable link between other described each business boards, and according to again
Each reachable link obtained, refreshes the link set.
8. device according to claim 7, which is characterized in that described device further include:
Judgment module, for judge refresh after link set in reachable link it is corresponding with the forwarding hardware of current-configuration can
It is whether consistent up to link；If inconsistent, the reachable link in the link set after judging the refreshing is current compared to described
Whether the corresponding reachable link of the forwarding hardware of configuration is reduced；
The configuration module, if the judging result specifically for the judgment module is to reduce, for the reachable link reduced
Corresponding first business board obtains the status information of first business board, if determining according to the state information described in executing
The first business board in other described each business boards is extracted, then according to for counting in the link intersection pre-established up to link
Each reachable link, the step of to corresponding interactive plate forwarding multicasting message.
9. device according to claim 8, which is characterized in that the configuration module is specifically used for:
If determining according to the state information, first business board is not extracted, according in the link set after the refreshing
Up to link, forwarding hardware is reconfigured, to corresponding interactive plate forwarding multicasting message, so that the interactive plate is by the multicast
Message is forwarded to each business board in the network system.
10. device according to claim 8, which is characterized in that the configuration module is specifically also used to:
If the judging result of the judgment module is to increase, according to the reachable link in the link set after the refreshing, weight
New configuration forwarding hardware, to corresponding interactive plate forwarding multicasting message, so that the multicast message is forwarded to by the interactive plate
Each business board in the network system.
11. a kind of business board, which is characterized in that including exchange chip and machine readable storage medium, the machine readable storage
Media storage has the machine-executable instruction that can be executed by the exchange chip, and the exchange chip can be performed by the machine
Instruction promotes: realizing any method and step of claim 1-5.
12. a kind of machine readable storage medium, which is characterized in that be stored with machine-executable instruction, called by exchange chip
When with executing, the machine-executable instruction promotes the exchange chip: realizing any method step of claim 1-5
Suddenly.
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