CN105282235B - A method of solution RPC upgrades unstable in double-PON port ONU - Google Patents
A method of solution RPC upgrades unstable in double-PON port ONU Download PDFInfo
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- CN105282235B CN105282235B CN201510585876.1A CN201510585876A CN105282235B CN 105282235 B CN105282235 B CN 105282235B CN 201510585876 A CN201510585876 A CN 201510585876A CN 105282235 B CN105282235 B CN 105282235B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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Abstract
A method of it solving RPC and upgrades in double-PON port ONU unstable, this method includes：S1：Inquire registration and the role state of two PON mouthfuls of ONU；S2：PON mouthfuls are set at dormant state；S3：Real time polling PON port role state changes；S4：After RPC connections are established, C-terminal initiates transmission upgrade file request to the ends S, and starts timer, sends file；It is performed simultaneously S7；S5：After the ends S receive request, starts to download upgrade file and start timer；S6：The ends S start to upgrade and start upgrading timer, after the completion of upgrading, execute S8；S7：C-terminal starts to upgrade and start upgrading timer；S8：The ends S, which are sent, upgrades successfully confirmation to C-terminal, returns to S2；S9：C-terminal upgrades successfully, and after confirmation, reports and upgrade successfully alarm；Return to S2.The present invention is by two-way communication and starts timing re-transmission and automatic Restart mechanisms recovery upgrading, it is ensured that correctly transmits upgrade file between the bis- PON of ONU；And do not limited by underlying network technology, multisystem can be transplanted to.
Description
Technical field
The present invention relates to the ethernet passive optical network fields (EPON) more particularly to a kind of solution RPC in double-PON port ONU liters
The unstable method of grade.
Background technology
EPON (Ethernet Passive Optical Network ethernet passive optical networks) system is by OLT
(Optical Line Terminal optical line terminals), ODN (Optical Distribution Network Optical Distribution Networks)
With ONU (Optical Network Unit optical network units) three parts composition.
To meet high reliability request of the EPON business to equipment, double PON ONU are for supporting EPON fully protective switching work(
Energy.Double PON ONU contain double PON MAC chips, are independent cpu system respectively, respectively come with Flash and run identical journey
Sequence.
RPC (Remote Procedure Call Protocol) remote procedure call protocol, it is that one kind passing through network
Service is asked from remote computer program, the agreement without understanding underlying network technology.RPC uses client computer/service
Device pattern.Requestor is exactly a client computer, and service providing program is exactly a server.First, client calls into
Journey, which sends one, has the recalls information of process parameter to service processes, then waits for response message.In server end, process is kept
Sleep state is until the arrival of recalls information.When a recalls information reaches, server obtains process parameter, calculates knot
Fruit, send reply message, then wait for next recalls information, finally, client call process receive reply message, obtain into
Journey continues as a result, then calling to execute.RPC is unidirectional request, response type traffic model, does not support server end to visitor
The two-way request of information, response modes are initiated in family end, cannot allow flexible intercommunication between the bis- PON of ONU.RPC does not provide transmission simultaneously
The reliability of information, request and response can be influenced by Network Abnormal.It is based especially on the double PON ONU meetings of RPC agreements upgrading
File is caused to transmit unstable, the indefinite problem of communication failure.
Invention content
The technical problem to be solved by the present invention is to for the above problem existing for existing RPC agreements, provide a kind of solution
RPC upgrades unstable method in double-PON port ONU, by two-way communication and starts timing re-transmission and automatic Restart mechanisms recovery
Upgrading, it is ensured that accurate transmission upgrade file between the bis- PON of ONU, it is ensured that final ONU upgradings are stablized, and not by underlying network
Network technology restriction can be transplanted to multisystem.
Used technical solution is the present invention to solve above-mentioned technical problem：
A method of it solving RPC and upgrades in double-PON port ONU unstable, this method includes：
Step S1：After ONU starts, registration and the role state of two PON mouthfuls of ONU are inquired；
Step S2：The PON mouths of ONU are set at dormant state as the logical communications ports based on RPC；
Step S3：The PON port role state changes of real time polling ONU；
Step S4：After RPC connections are established, RPC protocol logics port C-terminal initiates transmission upgrade file request to the ends S, and opens
Dynamic timer unsuccessfully confirms that request is initiated in reclocking if timer does not receive the ends S then and receives confirmation or receive；
After receiving the reception confirmation of the ends S, start to send file；It is performed simultaneously step S7；
Step S5：After the ends S receive request, confirmation is immediately returned to, starts simultaneously at and downloads upgrade file and start timer, hold
Row step S6；If timer is then, file download does not complete, then sending out transmission file to C-terminal unsuccessfully confirms, repeats step S5；
Step S6：The ends S start to upgrade and start upgrading timer, if timer then upgrade do not complete, automatically from
Preparation area starts and continues to upgrade, and repeats step S6；After the completion of upgrading, step S8 is executed；
Step S7：C-terminal starts to upgrade and start upgrading timer, if timer then upgrade do not complete, automatically from
Preparation area starts and continues to upgrade, and repeats step S7；
Step S8：The ends S, which are sent, upgrades successfully confirmation to C-terminal, if timer expiry C-terminal does not receive and upgrades successfully confirmation
It retransmits；Otherwise return to step S2；
Step S9：C-terminal upgrades successfully, and receive the ends S upgrade successfully confirmation after, report and upgrade successfully alarm；Return to step
Rapid S2.
By said program, PON mouthfuls of role state is divided into ACT and STD states in the step S1.
The present invention has the advantages that compared with prior art：
1, the present invention for simple RPC communication between the bis- PON of D classes ONU may caused by file transmission it is unstable, communication event
Hinder indefinite problem, develop stable upgrade communication agreement, by two-way communication and starts timing re-transmission and restart machine automatically
System restores upgrading, allows flexible intercommunication between the bis- PON of ONU, when avoiding upgrading two separate CPU systems simultaneously, transmission file and refers to
Enabling unstable causes upgrading to fail, it is ensured that accurate transmission upgrade file between the bis- PON of ONU provides double PON and synchronizes and upgrades
Function provides fast and reliable upgrade method for engineering site；
2, simultaneously, the method in the present invention is not limited by underlying network technology, can be transplanted to multisystem, is EPON nets
The ONU of different system synchronizes the demand upgraded and provides reliable solution in network environment, there is the extensive practical value of comparison.
Description of the drawings
Fig. 1 is the flow chart that the embodiment of the present invention solves that RPC upgrades unstable method in double-PON port ONU；
Fig. 2 is communication port status poll schematic diagram of the embodiment of the present invention；
Fig. 3 is the system group network schematic diagram of double-PON port ONU.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.
As shown in Figure 1, solution RPC of the present invention upgrades the flow chart of unstable method in double-PON port ONU, it should
Method includes：
Step S1：ONU start after, inquire two PON mouthful of ONU registration and role state, role state be divided into ACT with
STD states；
Step S2：The PON mouths of ONU are set at dormant state as the logical communications ports based on RPC, in RPC agreements
On the basis of create and be stably connected with agreement, communication default setting is to monitor；
Step S3：The PON port role state changes of real time polling ONU start timer if changing；
Step S4：After RPC connections are established, RPC protocol logics port C-terminal initiates transmission upgrade file request to the ends S
SFReq, and start timer Timer, unsuccessfully confirm if timer does not receive the ends S then and receives confirmation SFACK or receive,
Port status PortSta=0 is then changed, request is initiated in reclocking；After receiving the ends S reception confirmation SFACK, start to send text
Part；It is performed simultaneously step S7；
Step S5：After the ends S receive request, immediately returns to and confirm SFACK (S terminates message in-coming part and confirms), start simultaneously at download
Upgrade file simultaneously starts timer, executes step S6；If timer is then, file download does not complete, then sends out transmission text to C-terminal
Part unsuccessfully confirms, repeats step S5；
Step S6：The ends S start to upgrade and start upgrading timer, if timer then upgrade do not complete, automatically from
Preparation area starts and continues to upgrade, and repeats step S6；After the completion of upgrading, step S8 is executed；
Step S7：C-terminal starts to upgrade and start upgrading timer, if timer then upgrade do not complete, automatically from
Preparation area starts and continues to upgrade, and repeats step S7；
Step S8：The ends S, which send to upgrade successfully, confirms that SUACK to C-terminal, is upgraded successfully if timer expiry C-terminal does not receive
Confirm that CACK is then retransmitted；Otherwise return to step S2；
Step S9：C-terminal upgrades successfully, and receive the ends S upgrade successfully confirm SUACK after, report and upgrade successfully alarm
(ONU UpdateSuccess)；Return to step S2.
The timer realizes the timing for instruction interaction, specifically includes：Preset polling interval, per 1s, 2s and
3s inquiries are primary, and agreement flow can be promoted in time-out in next step.
Port polling state flow chart based on RPC agreements as shown in Figure 2, including：Give tacit consent to listening state, triggering state
Transition event, if triggering state transition mistake or failure, reply acquiescence listening state；If triggering state transition at
Work(is then classified as C-terminal mouth and the ports S, proceeds by protocol communication and data transmission.
The system group network schematic diagram of double-PON port ONU as shown in Figure 3, including：EPON OLT devices, EPON ONU equipments
With data Network Analyzer, and not decile optical branching device.OLT and ONU can normally start, and double-PON port ONU being capable of normal registration
And confirm ONU role.
The present invention is not limited to the applications listed in the specification and the embodiments, and those skilled in the art is come
It says, various corresponding changes and modification can be made according to the present invention, and all these corresponding changes and modification belong to this hair
Bright scope of the claims.
Claims (2)
1. a kind of solution RPC upgrades unstable method in double-PON port ONU, which is characterized in that this method includes：
Step S1：After ONU starts, registration and the role state of two PON mouthfuls of ONU are inquired；
Step S2：The PON mouths of ONU are set at dormant state as the logical communications ports based on RPC；
Step S3：The PON port role state changes of real time polling ONU；
Step S4：After RPC connections are established, RPC protocol logics port C-terminal initiates transmission upgrade file request to the ends S, and startup is fixed
When device, confirm if timer does not receive the ends S then and receives or receive and unsuccessfully confirm, request is initiated in reclocking；Receive S
After end receives confirmation, start to send file；It is performed simultaneously step S7；
Step S5：After the ends S receive request, confirmation is immediately returned to, starts simultaneously at and downloads upgrade file and start timer, execute step
Rapid S6；If timer is then, file download does not complete, then sending out transmission file to C-terminal unsuccessfully confirms, repeats step S5；
Step S6：The ends S start to upgrade and start upgrading timer, are not completed if timer then upgrades, automatically from preparation area
Startup continues to upgrade, and repeats step S6；After the completion of upgrading, step S8 is executed；
Step S7：C-terminal starts to upgrade and start upgrading timer, is not completed if timer then upgrades, automatically from preparation area
Startup continues to upgrade, and repeats step S7；
Step S8：The ends S, which are sent, upgrades successfully confirmation to C-terminal, is weighed if timer expiry C-terminal does not receive and upgrades successfully confirmation
Hair；Otherwise return to step S2；
Step S9：C-terminal upgrades successfully, and receive the ends S upgrade successfully confirmation after, report and upgrade successfully alarm；Return to step S2.
2. solution RPC according to claim 1 upgrades unstable method in double-PON port ONU, which is characterized in that described
PON mouthfuls of role state is divided into active and standby states in step S1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510585876.1A CN105282235B (en) | 2015-09-15 | 2015-09-15 | A method of solution RPC upgrades unstable in double-PON port ONU |
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| CN201510585876.1A CN105282235B (en) | 2015-09-15 | 2015-09-15 | A method of solution RPC upgrades unstable in double-PON port ONU |
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| CN105282235A CN105282235A (en) | 2016-01-27 |
| CN105282235B true CN105282235B (en) | 2018-09-14 |
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| CN110166323B (en) * | 2019-06-06 | 2020-12-11 | 杭州云象网络技术有限公司 | Method for improving reliability of block chain network |
| CN113132828B (en) * | 2021-06-16 | 2021-08-17 | 武汉长光科技有限公司 | Configuration method, device, equipment, system and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101083564A (en) * | 2007-07-24 | 2007-12-05 | 杭州华三通信技术有限公司 | Method for updating automatically optical network unit and optical line terminal |
| CN101516047A (en) * | 2009-04-03 | 2009-08-26 | 烽火通信科技股份有限公司 | ONU automatic upgrading method in EPON access system |
| CN102868945A (en) * | 2012-10-15 | 2013-01-09 | 上海斐讯数据通信技术有限公司 | Upgrading method optical network unit (ONU) in Ethernet passive optical network (EPON) |
-
2015
- 2015-09-15 CN CN201510585876.1A patent/CN105282235B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101083564A (en) * | 2007-07-24 | 2007-12-05 | 杭州华三通信技术有限公司 | Method for updating automatically optical network unit and optical line terminal |
| CN101516047A (en) * | 2009-04-03 | 2009-08-26 | 烽火通信科技股份有限公司 | ONU automatic upgrading method in EPON access system |
| CN102868945A (en) * | 2012-10-15 | 2013-01-09 | 上海斐讯数据通信技术有限公司 | Upgrading method optical network unit (ONU) in Ethernet passive optical network (EPON) |
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