CN105812160B - A kind of seamless redundant network mode adaptive method and device - Google Patents
A kind of seamless redundant network mode adaptive method and device Download PDFInfo
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- CN105812160B CN105812160B CN201410850097.5A CN201410850097A CN105812160B CN 105812160 B CN105812160 B CN 105812160B CN 201410850097 A CN201410850097 A CN 201410850097A CN 105812160 B CN105812160 B CN 105812160B
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Abstract
The invention discloses a kind of seamless redundant network mode adaptive method and devices, it is adaptive that this method is applied to networking model, the networking includes multiple first equipment, first equipment supports HSR and PRP agreement, this method comprises: for the first equipment any in networking, first equipment sends probe messages, which at least carries MAC Address；When the first equipment of other in networking receives the probe messages, updates and the probe messages is forwarded to carry information；When first equipment receives probe messages, according to the MAC Address of the carrying probe messages for its send probe messages when, according to the information handover network mode of carrying.The present invention is by sending probe messages by any first equipment, when the first equipment of other in networking receives the probe messages, it updates and forwards the probe messages, first equipment can obtain the quantity of the first equipment in networking, and then adaptive handover network mode, guarantee the reliability of networking model configuration.
Description
Technical field
The present invention relates to network communication technology field more particularly to a kind of redundant network mode adaptive method and devices.
Background technique
Seamless redundant network refers to that the network does not need to re-start communication configuration again when there is single-link connecting fault,
It can still be communicated, and communication message will not be lost, that is, not need the communication network of self-healing time.HSR(High-
Availability Seamless Redundancy, highly reliable seamless redundancy) and PRP (Parallel Redundancy
Protocol, Parallel Redundancy Protocol) seamless redundancy can be achieved.Wherein, PRP agreement is the redundancy association of work on the terminal device
View, is a kind of node redundancy.In PRP network mode, a terminal node is connected to two mutually indepedent and network topologies
In the identical network of structure, and topological structure is any, the parallel operation simultaneously of the two networks, as shown in Figure 1.PRP can also lead to
It crosses and is handled all directions as a separate network, for establishing a simple, seamless ring structure, this ring structure is
It is HSR redundant looped network mode, as shown in Figure 2.
Currently, the equipment for supporting HSR and PRP agreement, right although being all to support for HSR mode and PRP mode
In certain networkings topology, the selection a certain kind mode that can only be fixed, once another mode of the selection of mistake, whole network is just
It cannot normally work.When carrying out network mode configuration to equipment, administrator's manual operation is relied primarily on, networking is compared
For complicated network, this manual configuration mode not only low efficiency, and be easy to omit or configuration error causes network obstructed,
And also more time-consuming on checking such problem, efficiency is lower.
Summary of the invention
The embodiment of the present invention provides a kind of seamless redundant network mode adaptive method and device, to solve the prior art
In, need administrator to carry out network mode configuration manually, efficiency is lower, and being easy omission or configuration error causes network obstructed
Problem.
The embodiment of the present invention provides a kind of seamless redundant network mode adaptive method, and the method is applied to networking model
Adaptively, the networking includes multiple first equipment, and first equipment supports HSR and PRP agreement, which comprises
For any first equipment in the multiple first equipment, first equipment sends probe messages, the detection
Message at least carries MAC Address；
When the first equipment of other in networking receives the probe messages, updates the probe messages and carry information, and
Probe messages after forwarding updates；
When first equipment receives probe messages, the MAC Address judgement carried according to probe messages is current to be received
Probe messages whether be probe messages that first equipment is sent, when determining result is to be, first equipment according to
Receive the information handover network mode of probe messages carrying；Otherwise, it updates received probe messages and forwards.
Optionally, the probe messages carry the first number of devices in the MAC Address and networking of first equipment and count；
When the first equipment of other in networking receives the probe messages, updates the probe messages and carry information, and forward update
Probe messages include: afterwards
When the first equipment of other in networking receives the probe messages, by the number of the first equipment in the probe messages
Amount plus 1, and forward probe messages after update；
Correspondingly, first equipment includes: according to the information handover network mode for receiving probe messages carrying
Quantity of first equipment according to the first equipment in the networking for receiving probe messages carrying, switching described first
The network mode of equipment；When the number of the first equipment in networking is greater than 2, first equipment is switched to HSR mode；Work as group
When the number of the first equipment is equal to 2 in net, first equipment is switched to PRP mode.
Optionally, the probe messages carry the MAC Address of first equipment and the type identification of first equipment,
The type identification is for identifying whether equipment supports HSR and PRP agreement；The networking includes that the first equipment and/or second set
Standby, second equipment does not support HSR agreement and PRP agreement；When the first equipment of other in networking receives the probe messages
When, it updates the probe messages and carries information, and forward the probe messages after update to include:
When the first equipment of other in networking receives the probe messages, the type identification of current first equipment is added
The extremely probe messages, and forward probe messages after update；When the second equipment receives the probe messages in networking, will work as
The type identification of preceding second equipment is added to the probe messages, and forwards probe messages after update；
Correspondingly, first equipment includes: according to the information handover network mode for receiving probe messages carrying
First equipment is according to the type mark for receiving the first equipment and the second equipment in the networking that probe messages carry
Know quantity and type identification, confirm the quantity of the first equipment and the second equipment in networking, switches the network of first equipment
Mode；When the number of the first equipment in networking is greater than 2 and does not include the second equipment, first equipment is switched to HSR mould
Formula；When the number of the first equipment in networking is equal to 2, first equipment is switched to PRP mode.
Optionally, it when the first equipment of other in networking receives the probe messages, updates the probe messages and carries
Information, and forward update after probe messages include:
When the first equipment of other in networking receives the probe messages, judge whether that the probe messages carry first
Device type mark number is greater than 2 and includes the second device type mark；When determining result is to be, it is believed that networking mode has
Accidentally, the probe messages are abandoned or send error message；Otherwise, the type identification of current first equipment is added to the spy
Text is observed and predicted, and forwards probe messages after update.
Optionally, it when the first equipment of other in networking receives the probe messages, updates the probe messages and carries
Information, and forward update after probe messages include:
When the first equipment of other in networking receives the probe messages, judge whether current first equipment saves
State the MAC Address of probe messages carrying；When determining result is to be, the message is abandoned；Otherwise, the probe messages are saved to take
The MAC Address of band updates the probe messages and carries information, and forwards probe messages after update.
The embodiment of the present invention also provides a kind of seamless redundant network mode adaptive device, and described device is applied to networking mould
Formula is adaptive, and the networking includes multiple first equipment, and first equipment supports that HSR and PRP agreement, described device include:
Probe messages sending module, for for any first equipment in the multiple first equipment, first equipment
Probe messages are sent, the probe messages at least carry MAC Address；
Probe messages update module, for updating institute when the first equipment of other in networking receives the probe messages
It states probe messages and carries information, and forward probe messages after update；
Network mode switching module, for being carried according to probe messages when first equipment receives probe messages
MAC Address judge whether currently received probe messages are probe messages that first equipment is sent, when determining that result is
When being, first equipment is according to the information handover network mode for receiving probe messages carrying；Otherwise, it updates and receives detection
Message simultaneously forwards.
Optionally, the probe messages carry the first number of devices in the MAC Address and networking of first equipment and count；
The probe messages update module is used for when the first equipment of other in networking receives the probe messages, and the detection is reported
The quantity of the first equipment adds 1 in text, and forwards probe messages after update；
Correspondingly, the network mode switching module is for first equipment according to the group for receiving probe messages carrying
The quantity of first equipment in net switches the network mode of first equipment；When the number of the first equipment in networking is greater than 2,
First equipment is switched to HSR mode；When the number of the first equipment in networking is equal to 2, first equipment is switched
For PRP mode.
Optionally, the probe messages carry the MAC Address of first equipment and the type identification of first equipment,
The type identification is for identifying whether equipment supports HSR and PRP agreement；The networking includes that the first equipment and/or second set
Standby, second equipment does not support HSR agreement and PRP agreement；The probe messages update module be used in the networking other the
When one equipment receives the probe messages, the type identification of current first equipment is added to the probe messages, and forward
Probe messages after update；When the second equipment receives the probe messages in networking, by the type identification of current second equipment
The probe messages are added to, and forward probe messages after update；
Correspondingly, the network mode switching module is for first equipment according to the group for receiving probe messages carrying
The type identification quantity and type identification of first equipment and the second equipment in net confirm the first equipment and the second equipment in networking
Quantity, switch the network mode of first equipment；When the number of the first equipment in networking is greater than 2 and does not include the second equipment
When, first equipment is switched to HSR mode；When the number of the first equipment in networking is equal to 2, first equipment is cut
It is changed to PRP mode.
Optionally, the probe messages update module is also used to when other first equipment receive the detection report in networking
Wen Shi judges whether that the probe messages carry the first device type mark number and are greater than 2 and include the second device type mark；
When determining result is to be, it is believed that networking mode is wrong, abandons the probe messages or sends error message；Otherwise, will work as
The type identification of preceding first equipment is added to the probe messages, and forwards probe messages after update.
Optionally, the probe messages update module is also used to when other first equipment receive the detection report in networking
Wen Shi, judges whether current first equipment preserves the MAC Address that the probe messages carry；When determining result is to be, lose
Abandon the message；Otherwise, the MAC Address that the probe messages carry is saved, the probe messages is updated and carries information, and forward
Probe messages after update.
Method provided in an embodiment of the present invention, by by supporting any first equipment of HSR and PRP agreement to send detection report
Text updates and forwards the probe messages, which can obtain when other first equipment receive the probe messages in networking
The quantity of the first equipment in networking, and then adaptive handover network mode are taken, guarantees the reliability of networking model configuration.
Detailed description of the invention
Fig. 1 is the PRP network mode networking structure schematic diagram that the prior art provides；
Fig. 2 is the HSR network mode networking structure schematic diagram that the prior art provides；
Fig. 3 is redundant network mode adaptive method flow diagram provided in an embodiment of the present invention；
Fig. 4 is redundant network mode adaptive method flow diagram provided in an embodiment of the present invention；
Fig. 5 is wrong networking structure schematic diagram provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of redundant network mode adaptive device provided in an embodiment of the present invention.
Specific embodiment
The present invention provides a kind of seamless redundant network mode adaptive method to realize.
With reference to the accompanying drawings of the specification, the present invention is described in detail.
Fig. 3 is seamless redundant network mode adaptive method flow diagram provided in an embodiment of the present invention.This method is applied to
Networking model is adaptive, which includes multiple first equipment, first equipment support highly reliable seamless redundancy protocol HSR and
PRP Parallel Redundancy Protocol, referring to Fig. 3, which includes:
301, for any first equipment in multiple first equipment, which sends probe messages, the detection report
Text at least carries MAC (Media Access Control, medium access control) address；
It in embodiments of the present invention, include but is not limited to multiple first equipment in networking, it is each in multiple first equipment
A first equipment sends probe messages, in order to distinguish the different probe messages that different first equipment are sent, the embodiment of the present invention
In probe messages carry sending device MAC Address.
As depicted in figs. 1 and 2, which includes an external central port (Access) and two internal central port (A
And B).In embodiments of the present invention, which can be issued by either port in two internal central port A and B, by another
Port receives.
Multiple first equipment, which can be, in the embodiment of the present invention, in networking sends detection report in initial Configuration network mode
Text realizes adaptive network pattern switching, is also possible to each preset time and sends a probe messages, to guarantee network communication
Reliability certainly, can be in the detection report of transmission in order to distinguish the probe messages that a certain first equipment is sent in different time
Sequence identifier is carried in text.It that is to say, for a certain first equipment, in the probe messages sequence identifier that the period 1 sends
It is 1, is 2 in the probe messages sequence identifier that second round sends, and so on, to guarantee that other first equipment receive carrying
When the probe messages of identical MAC Address, can effectively it distinguish.In addition, multiple first equipment can also be and detect in networking
When group net topology changes, probe messages are sent again, and can timely update network mode, guarantee the reliability of communication.
302, it when the first equipment of other in networking receives the probe messages, updates the probe messages and carries information, and
Probe messages after forwarding updates；
In embodiments of the present invention, for other first equipment when receiving probe messages, parsing obtains detection report in networking
The information that text carries, updates and continues to forward the probe messages, so that the probe messages are by all devices in networking.
Optionally, due in networking equipment be that the whole network broadcasts the probe messages when sending probe messages, cause to Mr. Yu
For one equipment, it may be repeated as many times and receive the probe messages that a certain first equipment is sent.In embodiments of the present invention, work as group
When the first equipment of other in net receives the probe messages, first determine whether current first equipment is preserved the probe messages and taken
The MAC Address of band；When determining result is to be, the probe messages are abandoned；Otherwise, the MAC Address of probe messages carrying is saved,
It updates the probe messages and carries information, and forward probe messages after update.
303, when first equipment receives probe messages, the MAC Address judgement carried according to probe messages is currently connect
Whether the probe messages of receipts are probe messages that first equipment is sent, and when determining result is to be, first equipment is according to connecing
Receive the information handover network mode of probe messages carrying；Otherwise, it updates received probe messages and forwards.
In embodiments of the present invention, when first equipment receives probe messages, which may be
The probe messages being originally sent by other equipment in networking are also possible to the probe messages being originally sent by first equipment.It should
Whether the MAC Address that the first equipment is carried according to the probe messages is first device mac address difference；When judgement result is yes
When, it is believed that the probe messages turn again to first equipment by all devices in networking, at this point, first equipment is according to the spy
Observe and predict the information handover network mode of text carrying；Otherwise, it updates received probe messages and forwards.
Method provided in an embodiment of the present invention, by by supporting any first equipment of HSR and PRP agreement to send detection report
Text updates and forwards the probe messages, which can obtain when other first equipment receive the probe messages in networking
The quantity of the first equipment in networking, and then adaptive handover network mode are taken, guarantees the reliability of networking model configuration.
Optionally, in the embodiment of the present invention, first equipment obtain the first equipment in networking quantity mode include: this
One equipment sends the probe messages that the first number of devices counts in the MAC Address for carrying first equipment and networking；When in networking
When other first equipment receive the probe messages, the quantity of the first equipment in the probe messages is added 1, and is visited after forwarding update
Observe and predict text；When first equipment receives probe messages, currently received spy is judged according to the MAC Address that probe messages carry
Observe and predict text whether be first equipment send probe messages, when determine result be when, the first equipment according to receive detect
The quantity of the first equipment, switches the network mode of first equipment in the networking that message carries；As of the first equipment in networking
When number is greater than 2, which is switched to HSR mode；When the number of the first equipment in networking is equal to 2, this first is set
It is standby to be switched to PRP mode.
It should be noted that the embodiment of the present invention is to obtain the quantity of the first equipment in networking in a manner of counting, in turn
Adaptive handover network mode.In fact, in another embodiment of the invention, first equipment can also send carrying this
The probe messages of the MAC Address of one equipment and the type identification of the first equipment, the type are identified for identifying whether equipment is supported
HSR and PRP agreement.When the first equipment of other in networking receives the probe messages, by the type identification of current first equipment
The probe messages are added to, and forward probe messages after update.When first equipment receives probe messages, reported according to detection
Text carry MAC Address judge currently received probe messages whether be first equipment send probe messages, when determine tie
Fruit is when being, the first equipment determines in networking the according to the number of the first device type mark for receiving probe messages carrying
The quantity of one equipment, and then switch the network mode of first equipment；When the number of the first equipment in networking is greater than 2, by this
First equipment is switched to HSR mode；When the number of the first equipment in networking is equal to 2, which is switched to PRP mould
Formula, the embodiment of the present invention are not especially limited.
When only the first equipment receives probe messages in the embodiment of the present invention, the information that probe messages carry is carried out more
Newly, it and forwards.For the second equipment in networking, which is the equipment for not supporting HSR agreement and PRP agreement, when connecing
It when receiving probe messages, is only forwarded, the information that can not be carried to probe messages is updated.
It in another embodiment of the invention, can be with when the first equipment and the second equipment receive probe messages in networking
The information carried to probe messages is updated, and continues to forward, which is set according in networking first
Standby and the second equipment quantitative relation further judges whether networking is correct, notifies user in time.
Fig. 4 is seamless redundant network mode adaptive method flow diagram provided in an embodiment of the present invention.This method is applied to
Networking model is adaptive, which includes multiple first equipment and/or the second equipment.Referring to fig. 4, this method comprises:
401, for any first equipment in multiple first equipment, which sends probe messages, the detection report
Text carries the type identification of MAC Address and first equipment, and the type mark is for identifying whether equipment supports HSR and PRP to assist
View；
402, when the first equipment of other in networking receives the probe messages, the type identification of current first equipment is added
The probe messages are added to, and forward probe messages after update；It, will be current when the second equipment receives the probe messages in networking
The type identification of second equipment is added to the probe messages, and forwards probe messages after update；
In embodiments of the present invention, first when the first equipment of other in networking or the second equipment receive the probe messages
First judge whether current device preserves the MAC Address of probe messages carrying；When determining result is to be, the detection report is abandoned
Text；Otherwise, the MAC Address for saving probe messages carrying updates the probe messages and carries information, and detects report after forwarding update
Text.
403, when first equipment receives probe messages, the MAC Address judgement carried according to probe messages is currently connect
Whether the probe messages of receipts are probe messages that first equipment is sent, and when determining result is to be, first equipment is according to connecing
Receive the type identification handover network mode of probe messages carrying；Otherwise, it updates received probe messages and forwards.
In embodiments of the present invention, when the probe messages are the probe messages that first equipment is sent, first equipment
According to the type identification quantity and type identification of the first equipment and the second equipment in the networking for receiving probe messages carrying, really
The quantity for recognizing the first equipment and the second equipment in networking switches the network mode of first equipment；When the first equipment in networking
When number is greater than 2 and does not include the second equipment, which is switched to HSR mode；When the number of the first equipment in networking
When equal to 2, which is switched to PRP mode；If it is not above-mentioned two situations that probe messages, which carry information, such as Fig. 5,
Think that networking mode is wrong, sends error message.
Method provided in an embodiment of the present invention, by by supporting any first equipment of HSR and PRP agreement to send detection report
Text updates and forwards the probe messages, which can obtain group when other equipment receive the probe messages in networking
Whether wrong the quantity of first equipment and the second equipment in net, judge networking, and the adaptive handover network when networking is correct
Mode guarantees the reliability of networking model configuration.
When including that equipment is more in networking, probe messages are every to pass through an equipment, needs to add phase in probe messages
Type identification is answered, since the message length that probe messages carry is limited, when the message length that probe messages carry reaches maximum value
When, it can not be further continued for addition type identification, lead to loss of data, can not accurately obtain the first equipment and the second equipment in networking
Quantity.It to solve the above-mentioned problems, optionally, can be first when the first equipment of other in networking receives the probe messages
Judge whether that the probe messages carry the first device type mark number and are greater than 2 and include the second device type mark；Work as judgement
As a result for when being, it is believed that networking mode is wrong, abandons the probe messages or sends error message；Otherwise, current first is set
Standby type identification is added to the probe messages, and forwards probe messages after update.
It should be noted that being to add the mode of type identification to obtain in networking the first equipment and the in the embodiment of the present invention
The quantity of two equipment, and then adaptive handover network mode.In fact, in another embodiment of the invention, it can also be in terms of
Number mode obtains the quantity of the first equipment and the second equipment in networking.It that is to say, in multiple first equipment any first
Equipment, first equipment send probe messages, which carries the MAC Address of first equipment, the first equipment in networking
Quantity counts and the second number of devices counts.When other first equipment receive the probe messages in the networking, by the spy
The quantity for observing and predicting the first equipment in text adds 1, and forwards probe messages after update；When the second equipment receives the detection in the networking
When message, the quantity of the second equipment in the probe messages is added 1, and forwards probe messages after update.When first equipment receives
When to probe messages, judge whether currently received probe messages are first equipment according to the MAC Address that probe messages carry
The probe messages of transmission, when determining result is to be, the first equipment is according to receiving the first equipment and that probe messages carry
The quantity of two equipment, and then switch the network mode of first equipment；If the number of the first equipment is greater than 2 and second in networking
The quantity of equipment is 0, which is switched to HSR mode；If the number of the first equipment is equal to 2 in networking, by this
One equipment is switched to PRP mode, and the embodiment of the present invention is not especially limited.
Fig. 6 is seamless redundant network mode adaptive apparatus structure schematic diagram provided in an embodiment of the present invention.The device is answered
Adaptive for networking model, which includes multiple first equipment, which supports highly reliable seamless redundancy protocol HSR
With PRP Parallel Redundancy Protocol, referring to Fig. 6, which includes: probe messages sending module 601, probe messages update module 602
With network mode switching module 603.Wherein:
The probe messages sending module 601 is used for for any first equipment in multiple first equipment, first equipment
Probe messages are sent, which at least carries medium access control MAC Address；Probe messages sending module 601 and detection
Message update module 602 connects, which is used for when other first equipment receive the detection in networking
When message, updates the probe messages and carry information, and forward probe messages after update；Probe messages update module 602 and network
Mode switch module 603 connects, and network mode switching module 603 is used for when first equipment receives probe messages, according to
Probe messages carry MAC Address judge currently received probe messages whether be first equipment send probe messages, when
Determine that result is when being, first equipment is according to the information handover network mode for receiving probe messages carrying；Otherwise, institute is updated
It receives probe messages and forwards.
Optionally, which carries the first number of devices in the MAC Address and networking of first equipment and counts；The spy
It observes and predicts literary update module 602 to be used for when other first equipment receive the probe messages in multiple first equipment, by the spy
The quantity for observing and predicting the first equipment in text adds 1, and forwards probe messages after update；
Correspondingly, the network mode switching module 603 is for first equipment according to the group for receiving probe messages carrying
The quantity of first equipment in net, switches the network mode of first equipment；It, will when the number of the first equipment in networking is greater than 2
First equipment is switched to HSR mode；When the number of the first equipment in networking is equal to 2, which is switched to PRP mould
Formula.
Optionally, which carries the MAC Address of first equipment and the type identification of first equipment, the type
Mark is for identifying whether equipment supports HSR and PRP agreement；The networking includes the first equipment and/or the second equipment, this second sets
It is standby not support HSR agreement and PRP agreement；The probe messages update module 602 is used for when other first equipment receive in networking
When the probe messages, the type identification of current first equipment is added to the probe messages, and forwards probe messages after update；When
When the second equipment receives the probe messages in networking, the type identification of current second equipment is added to the probe messages, and
Probe messages after forwarding updates；
Correspondingly, the network mode switching module 603 is for first equipment according to the group for receiving probe messages carrying
The type identification quantity and type identification of first equipment and the second equipment in net confirm the first equipment and the second equipment in networking
Quantity, switch the network mode of first equipment；When the number of the first equipment in networking is greater than 2 and does not include the second equipment
When, which is switched to HSR mode；When the first equipment in networking number be equal to 2, which is switched to
When PRP mode；If it is not above-mentioned two situations that probe messages, which carry information, it is believed that networking mode is wrong, sends error message.
Optionally, which is also used to when other first equipment receive the detection report in networking
Wen Shi judges whether that the probe messages carry the first device type mark number greater than 2 and when including the second device type mark,
When determining result is to be, it is believed that networking mode is wrong, abandons the probe messages or sends error message；It otherwise, will be current
The type identification of first equipment is added to the probe messages, and forwards probe messages after update.
Optionally, which is also used to when other first equipment receive the detection report in networking
Wen Shi, judges whether current first equipment preserves the MAC Address of probe messages carrying；When determining result is to be, abandon
The message；Otherwise, the MAC Address for saving probe messages carrying updates the probe messages and carries information, and visits after forwarding update
Observe and predict text.
Device provided in an embodiment of the present invention, by by supporting any first equipment of HSR and PRP agreement to send detection report
Text updates and forwards the probe messages, which can obtain when other first equipment receive the probe messages in networking
The quantity of the first equipment in networking, and then adaptive handover network mode are taken, guarantees the reliability of networking model configuration.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (8)
1. a kind of seamless redundant network mode adaptive method, the method is adaptive applied to networking model, the networking packet
Multiple first equipment are included, first equipment supports highly reliable seamless redundancy protocol HSR and Parallel Redundancy Protocol PRP, feature
It is, which comprises
For any first equipment in the multiple first equipment, first equipment sends probe messages, the probe messages
At least carry medium access control MAC Address；Wherein, first equipment is the whole network broadcast institute when sending the probe messages
State probe messages；
When the first equipment of other in networking receives the probe messages, updates the probe messages and carry information, and forward
Probe messages after update；
When first equipment receives probe messages, currently received spy is judged according to the MAC Address that probe messages carry
Observe and predict whether text is probe messages that first equipment is sent, when determining result is to be, first equipment is according to reception
The information handover network mode carried to probe messages；Otherwise, it updates received probe messages and forwards；
When the first equipment of other in networking receives the probe messages, updates the probe messages and carry information, and forward
Probe messages include: after update
When the first equipment of other in networking receives the probe messages, judge whether current first equipment preserves the spy
Observe and predict the MAC Address of text carrying；When determining result is to be, the message is abandoned；Otherwise, save what the probe messages carried
MAC Address updates the probe messages and carries information, and forwards probe messages after update.
2. the method according to claim 1, wherein the probe messages are with carrying the MAC of first equipment
The first number of devices counts in location and networking；
When the first equipment of other in networking receives the probe messages, updates the probe messages and carry information, and forward
Probe messages include: after update
When the first equipment of other in networking receives the probe messages, the quantity of the first equipment in the probe messages is added
1, and forward probe messages after update；
Correspondingly, first equipment includes: according to the information handover network mode for receiving probe messages carrying
First equipment switches first equipment according to the quantity of the first equipment in the networking for receiving probe messages carrying
Network mode；When the number of the first equipment in networking is greater than 2, first equipment is switched to HSR mode；When in networking
When the number of first equipment is equal to 2, first equipment is switched to PRP mode.
3. the method according to claim 1, wherein the probe messages are with carrying the MAC of first equipment
The type identification of location and first equipment, the type identification is for identifying whether equipment supports HSR and PRP agreement；It is described
Networking includes the first equipment and/or the second equipment, and second equipment does not support HSR agreement and PRP agreement；
When the first equipment of other in networking receives the probe messages, updates the probe messages and carry information, and forward
Probe messages include: after update
When the first equipment of other in networking receives the probe messages, the type identification of current first equipment is added to institute
Probe messages are stated, and forward probe messages after update；When the second equipment receives the probe messages in networking, by current
The type identification of two equipment is added to the probe messages, and forwards probe messages after update；
Correspondingly, first equipment includes: according to the information handover network mode for receiving probe messages carrying
First equipment is according to the type identification number for receiving the first equipment and the second equipment in the networking that probe messages carry
Amount and type identification confirm the quantity of the first equipment and the second equipment in networking, switch the network mode of first equipment；
When the number of the first equipment in networking is greater than 2 and does not include the second equipment, first equipment is switched to HSR mode；When
When the number of the first equipment is equal to 2 in networking, first equipment is switched to PRP mode.
4. according to the method described in claim 3, it is characterized in that, working as other first equipment in networking receives the detection report
Wen Shi updates the probe messages and carries information, and forwards the probe messages after update to include:
When the first equipment of other in networking receives the probe messages, judge whether that the probe messages carry the first equipment
Type identification number is greater than 2 and includes the second device type mark；When determining result is to be, it is believed that networking mode is wrong, loses
It abandons the probe messages or sends error message；Otherwise, the type identification of current first equipment the detection is added to report
Text, and forward probe messages after update.
5. a kind of seamless redundant network mode adaptive device, described device is adaptive applied to networking model, the networking packet
Include multiple first equipment, first equipment supports HSR and PRP agreement, which is characterized in that described device includes:
Probe messages sending module, for for any first equipment in the multiple first equipment, first equipment to be sent
Probe messages, the probe messages at least carry MAC Address；Wherein, first equipment is when sending the probe messages
The whole network broadcasts the probe messages；
Probe messages update module, for updating the spy when the first equipment of other in networking receives the probe messages
It observes and predicts text and carries information, and forward probe messages after update；
Network mode switching module, the MAC for being carried according to probe messages when first equipment receives probe messages
Address judges whether currently received probe messages are probe messages that first equipment is sent, when determining result is to be,
First equipment is according to the information handover network mode for receiving probe messages carrying；Otherwise, received probe messages are updated
And it forwards；
The probe messages update module is also used to when the first equipment of other in networking receives the probe messages, and judgement is worked as
Whether preceding first equipment preserves the MAC Address that the probe messages carry；When determining result is to be, the message is abandoned；
Otherwise, the MAC Address that the probe messages carry is saved, the probe messages is updated and carries information, and detected after forwarding update
Message.
6. device according to claim 5, which is characterized in that the probe messages are with carrying the MAC of first equipment
The first number of devices counts in location and networking；The probe messages update module is used for when other first equipment receive in networking
When the probe messages, the quantity of the first equipment in the probe messages is added 1, and forwards probe messages after update；
Correspondingly, the network mode switching module is for first equipment according in the networking for receiving probe messages carrying
The quantity of first equipment switches the network mode of first equipment；When the number of the first equipment in networking is greater than 2, by institute
It states the first equipment and is switched to HSR mode；When the number of the first equipment in networking is equal to 2, first equipment is switched to PRP
Mode.
7. device according to claim 5, which is characterized in that the probe messages are with carrying the MAC of first equipment
The type identification of location and first equipment, the type identification is for identifying whether equipment supports HSR and PRP agreement；It is described
Networking includes the first equipment and/or the second equipment, and second equipment does not support HSR agreement and PRP agreement；The probe messages
Update module is used for when the first equipment of other in networking receives the probe messages, by the type identification of current first equipment
The probe messages are added to, and forward probe messages after update；When the second equipment receives the probe messages in networking,
The type identification of current second equipment is added to the probe messages, and forwards probe messages after update；
Correspondingly, the network mode switching module is for first equipment according in the networking for receiving probe messages carrying
The type identification quantity and type identification of first equipment and the second equipment confirm the number of the first equipment and the second equipment in networking
Amount switches the network mode of first equipment；When the number of the first equipment in networking is greater than 2 and does not include the second equipment,
First equipment is switched to HSR mode；When the number of the first equipment in networking is equal to 2, first equipment is switched
For PRP mode.
8. device according to claim 7, which is characterized in that the probe messages update module is also used to when its in networking
When his the first equipment receives the probe messages, it is big to judge whether that the probe messages carry the first device type mark number
In 2 and include the second device type mark；When determining result is to be, it is believed that networking mode is wrong, abandons the probe messages
Or send error message；Otherwise, the type identification of current first equipment is added to the probe messages, and after forwarding update
Probe messages.
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| CN107528386A (en) * | 2017-07-06 | 2017-12-29 | 中国南方电网有限责任公司 | A kind of intelligent substation automatic network system |
| CN112332956B (en) | 2019-08-05 | 2024-03-26 | 华为技术有限公司 | Information sharing method and device in redundant network and computer storage medium |
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| EP2634973B1 (en) * | 2012-02-29 | 2014-10-01 | Siemens Aktiengesellschaft | Communication device for a redundant industrial communication network and method for operating a communication device |
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| CN101989943A (en) * | 2009-07-31 | 2011-03-23 | Abb研究有限公司 | Data transmission in a ring-type communication network |
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