CN105790994B - A kind of configuration information synchronous method, equipment and the system of power line communication PLC local area network - Google Patents
A kind of configuration information synchronous method, equipment and the system of power line communication PLC local area network Download PDFInfo
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- CN105790994B CN105790994B CN201410828733.4A CN201410828733A CN105790994B CN 105790994 B CN105790994 B CN 105790994B CN 201410828733 A CN201410828733 A CN 201410828733A CN 105790994 B CN105790994 B CN 105790994B
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Abstract
The invention discloses a kind of configuration information synchronous method of power line communication PLC local area network and systems, main contents include: the query messages by extender device periodicity sending multicast form, to determine whether to be connected with gateway, if receiving the response message of gateway return within a preset time, then determine that extender device is connected to the PLC link of gateway, then, when extender device inquires the response message for not receiving the gateway return in a upper period, configuration information simultaneously operating is executed.To, when the PLC link of gateway and extender device within any period disconnects, no matter whether the configuration information of gateway changes, it can make when being connected in next period, guarantee that the configuration information of extender device is synchronous with the configuration information of gateway, ensure that the reliability and stability of user's online.
Description
Technical field
It is synchronous that the present invention relates to the configuration informations of field of communication technology more particularly to a kind of power line communication PLC local area network
Method and system.
Background technique
In existing LAN backbone, in order to expand the network coverage of the local area network, electric power is more used
Line communicates (Power Line Communication, PLC) technology to construct local area network, forms the net of the local area network based on PLC
Network framework, in the PLC network framework, gateway is used as router, and multiple connection sections are provided in the gateway
Point, for connecting at least one extender device, and can to access multiple access devices (such as intelligent for an extender device
The intelligent terminals such as TV, mobile phone, pad), moreover, each extender device is but also with wireless access function, thus, extend this
Local area network accommodates the ability of access device, expands the network coverage of the local area network.
In PLC network framework, when the configuration information of gateway changes, if extender device and gateway at this time
The link of equipment disconnects, then will lead to extender device can not be synchronous with gateway configuration.
Summary of the invention
The embodiment of the present invention provides the configuration information synchronous method and system of a kind of power line communication PLC local area network, to
The configuration information for solving gateway existing in the prior art changes in the case where PLC link disconnects and not can guarantee
In the case where PLC link is connected to again, the configuration information of extender device is synchronous with the configuration information after gateway variation
Problem.
The embodiment of the present invention uses following technical scheme:
A kind of configuration information synchronous method of power line communication PLC local area network, gateway in the local area network at least
One extender device connection, the extender device are used to for access device being linked into the local area network, the method packet
It includes:
The query messages of the extender device periodicity sending multicast form, the query messages are for inquiring the local
Whether gateway is connected in net；
If the extender device receives the response message of gateway return within a preset time, it is determined that the expansion
Exhibition device equipment is connected to the PLC link of gateway, wherein the preset time sends multicast no more than the extender device
The cycle duration of the query messages of form；
The extender device inquires the response message that gateway return whether was received in a upper period；
The extender device inquire response message that the gateway returns was not received in a upper period when,
The configuration information of gateway is synchronized to local operation by execution.
Preferably, the configuration information include it is following operation one of or combination: radio configuration information, software configuration information,
Time configuration information.
Preferably, it executes and the radio configuration information of gateway is synchronized to local operation, specifically include: the extension
The radio configuration information of gateway described in device equipment query, and by the radio configuration information of the gateway inquired and itself
Radio configuration information be compared, comparison result be it is different when, the radio configuration information of itself is updated to gateway
Radio configuration information.
A kind of extender device, suitable for the network architecture of the local area network based on power line communication PLC, and the expander
Equipment is connect with gateway, and the extender device is for access device to be linked into the local area network, the expander
Equipment includes:
Transmission unit, for the query messages of periodicity sending multicast form, the query messages are for inquiring the local
Whether gateway is connected in net；
Determination unit determines itself and net when for receiving the response message of gateway return within a preset time
Close the PLC link connection of equipment, wherein the preset time disappears no more than the inquiry that the extender device sends multicast form
The cycle duration of breath；
Query unit, for inquiring in a upper period response message for whether receiving gateway return；
Execution unit does not receive gateway for inquiring the receiving unit within a upper period in the query unit
When the response message that equipment returns, the configuration information of gateway is synchronized to local operation by execution.
Preferably, the configuration information includes following one or combination: radio configuration information, software configuration information, time
Configuration information.
Preferably, the execution unit specifically for inquiring the radio configuration information of the gateway, and will inquire
The radio configuration information of gateway be compared with the radio configuration information of own net equipment, be difference in comparison result
When, the radio configuration information of own net equipment is updated to the radio configuration information of gateway.
A kind of gateway, suitable for the network architecture of the local area network based on power line communication PLC, and the gateway
It is connect with extender device, the extender device is for access device to be linked into the local area network, the gateway
Include:
Receiving unit, for receiving the query messages for the multicast form that the extender device is sent；
Return unit is used for the extender device returning response message.
A kind of LAN system, in the network architecture of local area network of the LAN system based on power line communication PLC, packet
Include: gateway, at least one extender device and multiple access devices, the gateway are connect with extender device, institute
Extender device is stated for access device to be linked into the local area network；
Wherein, the extender device, for the query messages of periodicity sending multicast form, the query messages are used for
It inquires and whether is connected with gateway in the local area network, and receive the response message of gateway return within a preset time
When, determine that itself is connected to the PLC link of the gateway, the preset time is not more than the extender device transmission group
The cycle duration of the query messages of form is broadcast, the response message for whether receiving gateway return in a upper period is inquired, and
When inquiring the response message for not receiving the gateway return in a upper period, executes and gateway is matched into confidence
Breath is synchronized to local operation；
The gateway, for receiving the query messages for the multicast form that the extender device is sent, and to described
Extender device returning response message.
In embodiments of the present invention, by the query messages of extender device periodicity sending multicast form, it is with determination
It is no to be connected with gateway, if receiving the response message of gateway return within a preset time, it is determined that extender device
It is connected to the PLC link of gateway, then, does not receive the gateway in extender device inquired a upper period
When the response message of return, configuration information simultaneously operating is executed.In this way, gateway and extender device within any period
PLC link disconnect when, no matter whether the configuration information of gateway changes, can make next period be connected to when,
Guarantee that the configuration information of extender device is synchronous with the configuration information of gateway, ensure that the reliability and stabilization of user's online
Property.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of configuration and synchronization method flow diagram of the network equipment provided in an embodiment of the present invention；
Fig. 2 is a kind of configuration and synchronization method flow chart of the network equipment provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of extender device provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of gateway provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of LAN system provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
It should be noted that the embodiment of the present invention is suitable for the network architecture of the local area network based on power line communication PLC,
In the LAN backbone, gateway, at least one extender device and multiple accesses including using as router are set
It is standby, and the gateway in the local area network is connect at least one extender device, shares a multicast address, that is, sharing should
All equipment of multicast address can receive the message for the multicast form that wherein an equipment is sent.The present invention is not to being based on
The network architecture of the local area network of PLC is specifically limited, and can be home network, or large-scale remote power device cluster institute
The local area network of composition.For convenience of description, the present invention is only illustrated by taking home network as an example.
In embodiments of the present invention, by the query messages of extender device periodicity sending multicast form, it is with determination
It is no to be connected with gateway, if receiving the response message of gateway return within a preset time, it is determined that extender device
It is connected to the PLC link of gateway, then, does not receive the gateway in extender device inquired a upper period
When the response message of return, configuration information simultaneously operating is executed.In this way, gateway and extender device within any period
PLC link disconnect when, no matter whether the configuration information of gateway changes, can make next period be connected to when,
Guarantee that the configuration information of extender device is synchronous with the configuration information of gateway, ensure that the reliability and stabilization of user's online
Property.
Technical solution of the present invention is described in detail below by specific embodiment, the present invention includes but and unlimited
In following embodiment.
As shown in Figure 1, be a kind of configuration and synchronization method of power line communication PLC local area network provided in an embodiment of the present invention,
Method includes the following steps:
Step 101: the query messages of extender device periodicity sending multicast form.
The query messages are for inquiring in the local area network whether be connected with gateway.Preferably, which can be with
For heartbeat packet query messages, unlike existing heartbeat packet query messages, which is in the form of multicast
It sends, destination is the all-network equipment in the multicast address, moreover, the query messages of the multicast form only have gateway
Equipment can reply, or, the query messages that the response message that only gateway is replied is only the multicast form wish to return to
's.Wherein, the period for sending the heartbeat packet query messages of the multicast form can set according to the demand of user.
Step 102: if extender device receives the response message of gateway return within a preset time, it is determined that expand
Exhibition device equipment is connected to gateway.
Wherein, which sends the cycle duration of the query messages of multicast form no more than extender device.At this
In inventive embodiments, monitoring programme can be set in extender device side, for sending according to the preset period to gateway
The query messages of multicast form, and the response message for whether receiving gateway return monitored in real time, check whether it is pre-
If being received in the time, it is however generally that, which is less than or equal to the query messages of extender device transmission multicast form
Predetermined period.In this way, in one cycle, extender device sends query messages and has received response message, just can guarantee
Extender device is connected to the PLC link of gateway.If extender device has sent multicast form according to predetermined period
Query messages, but do not receive within a preset time gateway return response message, it is determined that extender device
PLC link with gateway is to disconnect.
Step 103: extender device inquires the response message that gateway return whether was received in a upper period.
In embodiments of the present invention, the query messages of extender device periodicity sending multicast form, if expander is pre-
, then can be without any processing if having received the response message of gateway return in the time, it is considered as extender device and net
The PLC link for closing equipment is connection, if the response that extender device does not receive gateway return within a preset time disappears
Breath, then the logout can be got off, such as setting connection label by way of, if current period determine gateway with
The PLC link of extender device is connected to, then " 1 " is set by connection label, if current period determines gateway and expander
The PLC link of equipment is not connected to, then sets " 0 " for connection label.If current period determines gateway and extender device
The connection of PLC link, then the connection for reading upper period marks, if they are the same, is then not processed, if it is different, then updating the connection
Label.
Step 104: extender device inquire do not received in a upper period gateway return response message when,
Execute network configuration simultaneously operating.
If the setting connection of upper period is labeled as " 0 ", current period if it is determined that gateway and extender device PLC chain
The connection label in a upper period was then read in road connection, and reading result at this time is " 0 ", it is determined that upper period expansion device equipment is simultaneously
The response message of gateway return is not received, and the PLC link of extender device and gateway was to disconnect in a upper period
's.Therefore, it is necessary to extender devices to execute network configuration simultaneously operating, synchronous with the configuration information of gateway.
After extender device is connected to the PLC link of gateway, disconnected when due within a upper period, because
This, in the case where the configuration information of gateway side changes, the PLC link of extender device and gateway connects again
After logical, configuration information between the two be also it is nonsynchronous, executed therefore, it is necessary to extender device and match confidence with gateway
The simultaneously operating of breath.
Preferably, the configuration information includes following one or combination: radio configuration information, software configuration information, time
Configuration information.
Preferably, the radio configuration information of gateway is synchronized to local operation, is specifically included: extender device is looked into
The radio configuration information of gateway is ask, and the radio configuration information of the gateway inquired and the radio configuration of itself are believed
Breath is compared, and when comparison result is different, the radio configuration that the radio configuration information of itself is updated to gateway is believed
Breath.
In addition, executing software configuration simultaneously operating in the embodiment of the present invention, i.e., the upgrading of software is executed in extender device,
Specifically, the software version information of extender device inquiry gateway, and the software version of the gateway inquired is believed
Breath is compared with the software version information of itself, and when inconsistent, by gateway from respective server downloading and net
Close the consistent software upgrading APMB package of software version information of equipment；Later extender device according to the software upgrade package of downloading into
Row updating operation.
Specifically, the synchronous method of the network configuration information can be embodied by following below scheme figure.
As shown in Fig. 2, including the following steps process:
Step 201: the query messages of extender device transmission multicast form.
Step 202: judge whether to receive the response message of gateway return, if so, 203 are thened follow the steps, it is no
Then, connection label is set to " 0 ".
Step 203: reading connection label, if reading " 1 ", do not execute configuration and synchronize；If reading " 0 ", execute
Step 204.
Step 204: executing the simultaneously operating of configuration information.
Through the above embodiments of the present invention, by the query messages of extender device periodicity sending multicast form, with
Determine whether to be connected with gateway, if receiving the response message of gateway return within a preset time, it is determined that extension
Device equipment is connected to the PLC link of gateway, then, does not receive the net in extender device inquired a upper period
When closing the response message that equipment returns, network configuration simultaneously operating is executed.In this way, gateway and extension within any period
When the PLC link of device equipment disconnects, no matter whether the configuration information of gateway changes, it can to connect in next period
When logical, the configuration information for guaranteeing extender device is synchronous with the configuration information of gateway, ensure that the reliability of user's online
And stability.
Based on belonging to same invention structure with a kind of configuration information synchronous method of the network equipment provided in an embodiment of the present invention
Think, the embodiment of the invention also provides a kind of network equipment, lower mask body introduces the network equipment.
As shown in figure 3, being a kind of network equipment provided in an embodiment of the present invention, the network equipment is extender device,
It specifically includes that
Transmission unit 301, the query messages for periodicity sending multicast form.The query messages are for inquiring the local
Whether gateway is connected in net.
Determination unit 302, for receive within a preset time gateway return response message when, determine itself with
The PLC link of gateway is connected to, wherein preset time sends the query messages of multicast form no more than the extender device
Cycle duration；
Query unit 303, for inquiring in a upper period response message for whether receiving gateway return；
Execution unit 304 did not received gateway return for inquiring in query unit 303 within a upper period
When response message, network configuration information simultaneously operating is executed.
Preferably, which includes following one or combination: radio configuration information, software configuration information, time match
Confidence breath.
Preferably, execution unit 304 specifically for inquiring the radio configuration information of the gateway, and will inquire
The radio configuration information of gateway be compared with the radio configuration information of own net equipment, be difference in comparison result
When, the radio configuration information of own net equipment is updated to the radio configuration information of gateway.
Corresponding to extender device, the embodiment of the invention also provides a kind of gateways, to assist extender device
The simultaneously operating for completing configuration information, as shown in figure 4, the gateway includes:
Receiving unit 401, the query messages of the multicast form for receiving extender device transmission.
Return unit 402 is used for extender device returning response message.
Wherein, which uses generally as router, in the network rack of the local area network based on power line communication PLC
In structure, which connect at least one extender device, which is used to for access device being linked into described
In local area network.
In addition, the embodiment of the invention also provides a kind of LAN systems, as shown in figure 5, the system includes following equipment:
Gateway 501, at least one extender device 502 and multiple access devices 503, the gateway 501 and expansion
It opens up device equipment 502 to connect, extender device 502 is for access device 503 to be linked into the local area network；
Wherein, extender device 502, for the query messages of periodicity sending multicast form, the query messages are for looking into
When asking and whether be connected with gateway in the local area network, and receiving the response message of gateway return within a preset time,
Determine that itself is connected to the PLC link of the gateway, which sends multicast shape no more than the extender device
The response message for whether receiving gateway return in a upper period inquired, and is being looked into for the cycle duration of the query messages of formula
When asking the response message for not receiving the gateway return in a period, execute the configuration information of gateway is same
Walk local operation；
Gateway 501, the query messages of the multicast form for receiving the transmission of extender device 502, and to expander
502 returning response message of equipment.
It should be understood by those skilled in the art that, the embodiment of the present invention 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 present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, 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 present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
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 journeys
Sequence instruct to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices processor with
A machine is generated, so that the instruction generation executed by computer or the processor of other programmable data processing devices is used for
Realize the dress for the function of specifying in one or more flows of the flowchart and/or one or more blocks of the block diagram
It sets.
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 preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may 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 scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of configuration information synchronous method of power line communication PLC local area network, which is characterized in that the gateway in the local area network is set
Standby to connect at least one extender device, the extender device is for access device to be linked into the local area network, institute
The method of stating includes:
The query messages of the extender device periodicity sending multicast form, the query messages are for inquiring in the local area network
Whether gateway is connected with；
If the extender device receives the response message of gateway return within a preset time, it is determined that the expander
Equipment is connected to the PLC link of gateway, wherein the preset time sends multicast form no more than the extender device
Query messages cycle duration；
The extender device inquires the response message that gateway return whether was received in a upper period；
The extender device is executed when inquiring the response message for not receiving the gateway return in a upper period
The configuration information of gateway is synchronized to local operation.
2. the method as described in claim 1, which is characterized in that the configuration information includes following one or combination: wirelessly matching
Confidence breath, software configuration information, time configuration information.
3. method according to claim 2, which is characterized in that
The radio configuration information of gateway is synchronized to local operation by execution, is specifically included: the extender device inquiry
The radio configuration information of the gateway, and by the radio configuration of the radio configuration information of the gateway inquired and itself
Information is compared, and when comparison result is different, the radio configuration information of itself is updated to the radio configuration of gateway
Information.
4. a kind of extender device, which is characterized in that the extender device is suitable for the local area network based on power line communication PLC
The network architecture in, and the extender device is connect with gateway, and the extender device is for access device to be linked into
In the local area network, the extender device includes:
Transmission unit, for the query messages of periodicity sending multicast form, the query messages are for inquiring in the local area network
Whether gateway is connected with；
Determination unit determines that itself sets with gateway when for receiving the response message of gateway return within a preset time
Standby PLC link connection, wherein the preset time is not more than the query messages of extender device transmission multicast form
Cycle duration；
Query unit, for inquiring in a upper period response message for whether receiving gateway return；
Execution unit, for the query unit inquire do not received within a upper period gateway return response disappear
When breath, the configuration information of gateway is synchronized to local operation by execution.
5. extender device as claimed in claim 4, which is characterized in that the configuration information includes following one or combination:
Radio configuration information, software configuration information, time configuration information.
6. extender device as claimed in claim 5, which is characterized in that the execution unit is specifically used for inquiring the net
The radio configuration information of equipment is closed, and the radio configuration information of the gateway inquired and the wireless of own net equipment are matched
Confidence breath is compared, and when comparison result is different, the radio configuration information of own net equipment is updated to gateway
Radio configuration information.
7. a kind of LAN system, which is characterized in that the network rack of local area network of the LAN system based on power line communication PLC
Structure, comprising: gateway, at least one extender device and multiple access devices, the gateway and extender device connect
It connects, the extender device is for access device to be linked into the local area network；
Wherein, the extender device, for the query messages of periodicity sending multicast form, the query messages are for inquiring
When whether being connected with gateway in the local area network, and receiving the response message of gateway return within a preset time, really
Fixed itself to be connected to the PLC link of the gateway, the preset time sends multicast shape no more than the extender device
The response message for whether receiving gateway return in a upper period inquired, and is being looked into for the cycle duration of the query messages of formula
When asking the response message for not receiving the gateway return in a period, execute the configuration information of gateway is same
Walk local operation；
The gateway, for receiving the query messages for the multicast form that the extender device is sent, and to the extension
Device equipment returning response message.
8. LAN system as claimed in claim 7, which is characterized in that the gateway includes:
Receiving unit, for receiving the query messages for the multicast form that the extender device is sent；
Return unit is used for the extender device returning response message.
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| CN201410828733.4A CN105790994B (en) | 2014-12-26 | 2014-12-26 | A kind of configuration information synchronous method, equipment and the system of power line communication PLC local area network |
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| CN105790994A (en) | 2016-07-20 |
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