CN101145843B - A download method for Gbit passive optical network terminal software - Google Patents
A download method for Gbit passive optical network terminal software Download PDFInfo
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- CN101145843B CN101145843B CN2007101241753A CN200710124175A CN101145843B CN 101145843 B CN101145843 B CN 101145843B CN 2007101241753 A CN2007101241753 A CN 2007101241753A CN 200710124175 A CN200710124175 A CN 200710124175A CN 101145843 B CN101145843 B CN 101145843B
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Abstract
The invention discloses a software download method in a Gigabit passive optical network system. The method relates to the Gigabit passive optical network system and comprises the following steps: Firstly, an optical line terminal and an optical network terminal exchange the individual longest request message length of the maximum download software thereof with each other, and the shorter one thereof is taken as the agreed request message length of the download software. Secondly, the optical line terminal packages the agreed request message length of the download software as the download software request message, which is then sent to the optical network terminal. Finally, the optical network terminal receives the download software request message, analyzes and stores the data to be downloaded of the request message. The invention enlarges the request message length of the download software, makes fullest use of the resources such as the optical line terminal, the optical network terminal and links. In addition, the invention reduces the interaction frequency so as to improve the download speed.
Description
Technical field
The present invention relates to Gbit passive optical network system, relating in particular to a kind of local side apparatus from gigabit passive optical network is the method for terminal unit remote downloaded software version.
Background technology
Gigabit passive optical network (GPON, Gigabit-Capable Passive Optical Network) technology is a kind of BPON technology.As a kind of access network equipment, the topological diagram of gigabit passive optical network is as shown in Figure 1, its local side apparatus; Be that optical line terminal (OLT, Optical LineTerminal) generally is placed in the local side machine room, and terminal equipment; Be ONT Optical Network Terminal (ONT; OpticalNetwork Terminal) generally forms, and be placed on position, comparatively disperse away from machine room according to demands of applications by a plurality of.
To the maintenance of ONT Optical Network Terminal software version, stipulated to realize the flow process of downloaded software version in the gigabit passive optical network standard for ease through Optical Network Termination Management and Control Interface (OMCI, ONT Management ControlInterface).
Under the prior art; The ONT Optical Network Terminal software downloading method is based on " segmentation stops waiting (segmentedstop and wait) " agreement; Promptly be divided into several sections to software version, when optical line terminal has only the message of sending the preceding paragraph software to receive error-free replying, just can send next section software.Each piece of software comprises one or more software data sheets again, and the software data sheet sends ONT Optical Network Terminal to through the management control interface of ONT Optical Network Terminal.The management control interface regulation of this ONT Optical Network Terminal has fixing length through the message of this interface; Be the management control interface that downloaded software data slice solicited message is also passed through ONT Optical Network Terminal, so downloaded software data slice solicited message also have fixing length.ONT Optical Network Terminal software download flow process mainly comprises following three steps at present:
The first step: the size notice ONT Optical Network Terminal that optical line terminal will the downloaded software version, and consult to download window size with ONT Optical Network Terminal.
Optical line terminal sends the beginning downloading request message and gives ONT Optical Network Terminal, and this begins size and download window size that downloading request message carries software version, and the size of software version is represented by S, downloads the size of window and is represented by M.After ONT Optical Network Terminal is received the beginning downloading request message, logging software version size, and with the own download window size that can support, represent with N, be filled in the response message that begins to download, return to optical line terminal.Wherein the value of N is smaller or equal to M.The final light road interrupts selecting N to download the size of window as this.
Second step: optical line terminal adopts the downloaded software data slice request message of regular length according to the window size that negotiates, and the software version segmentation is downloaded;
The 3rd step: ONT Optical Network Terminal carries out validity check to the data of the software version that receives, need carry out the CRC-32 verification to software version at least, and will download the result and return to optical line terminal.
This method for downloading software receives optical network terminal management control interface information to have the restriction of regular length in downloading process; And the restriction of the disposal ability of ONT Optical Network Terminal own; When the software version of downloading is big; Optical line terminal need send the request message of several ten thousand downloaded software sheets, and ONT Optical Network Terminal will send the download that several ten thousand corresponding downloaded software sheet request responding message could be accomplished software version.Though prior art can be accomplished the software version of ONT Optical Network Terminal and download, interaction message is more, and speed of download is slow.
Therefore, there is defective in prior art, needs further improvement and develops.
Summary of the invention
Order of the present invention is to provide a kind of method for down loading of Gbit passive optical network terminal software, from the process of optical line terminal downloaded software version, adjusts the length of downloaded software sheet request message at ONT Optical Network Terminal, thereby improves speed of download.
Technical scheme of the present invention is following:
A kind of method for down loading of Gbit passive optical network terminal software is used for ONT Optical Network Terminal from optical line terminal downloaded software version, wherein, may further comprise the steps:
Said optical line terminal and ONT Optical Network Terminal carry out alternately the maximum downloaded software sheet request message length of each self-supporting, with little the value as the downloaded software sheet request message length after consulting among both;
Said optical line terminal is packaged into downloaded software sheet request message with software version with the downloaded software sheet request message length after consulting, and sends to said ONT Optical Network Terminal;
Said ONT Optical Network Terminal receives said downloaded software sheet request message, and resolves and store the data to be downloaded in the said downloaded software sheet request message.
The method for down loading of described Gbit passive optical network terminal software; Wherein, To be said optical line terminal be packaged in the beginning downloading request message with the maximum downloaded software sheet request message length value of optical line terminal to reciprocal process in the said steps A, and send to said ONT Optical Network Terminal.
The method for down loading of described Gbit passive optical network terminal software wherein, also encapsulates the numerical value that maximum that said optical line terminal self can be supported is downloaded window size in said beginning downloading request message.
The method for down loading of described Gbit passive optical network terminal software; Wherein, said ONT Optical Network Terminal maximum that said optical line terminal can be supported self is downloaded window size and the known maximum that self can support of said ONT Optical Network Terminal and is downloaded little value in the window size download window size after as negotiation.
The terminal software edition download method of described gigabit passive optical network wherein, among the said step B, sends to said ONT Optical Network Terminal with said downloaded software sheet request message in batches.
The terminal software edition download method of described gigabit passive optical network, wherein, among the said step B, when sending downloaded software sheet request message, the bar number of every batch of downloaded software sheet request message is the numerical value of the download window size after the said negotiation in batches.
The terminal software edition download method of described gigabit passive optical network; Wherein, among the said step B, when sending downloaded software sheet request message in batches; After certain batch downloaded software sheet request message sends and finishes; Judge whether this batch downloaded software sheet request message sends success, if success continues to send next group downloaded software sheet request message; If, do not resend this batch downloaded software sheet request message.
The terminal software edition download method of described gigabit passive optical network, wherein, said downloaded software sheet request message length is all more than or equal to the length of optical network terminal management control interface information.
The terminal software edition download method of described gigabit passive optical network, wherein, the length of said optical network terminal management control interface information is 48 bytes.
Compared with prior art; The method for down loading of Gbit passive optical network terminal software provided by the invention; From optical line terminal downloaded software version process, compared the maximum downloaded software sheet request message length that maximum downloaded software sheet request message length that optical line terminal can support and ONT Optical Network Terminal can be supported at ONT Optical Network Terminal; Adopted little value among both as the numerical value of the length of downloaded software sheet request message; Thereby maximally utilised resources such as ONT Optical Network Terminal, optical line terminal and link, and reduced information interaction times in the downloading process, improved the speed of downloading.
Description of drawings
Fig. 1 is the topological diagram of prior art and Gbit passive optical network system of the present invention;
Fig. 2 is the flow chart of the terminal software edition download method of gigabit passive optical network of the present invention;
Fig. 3 is in the terminal software version downloading process of gigabit passive optical network of the present invention, the flow chart of optical line terminal;
Fig. 4 is in the terminal software version downloading process of gigabit passive optical network of the present invention, the flow chart of ONT Optical Network Terminal.
Embodiment
Below in conjunction with accompanying drawing, further explain is done in preferred embodiment of the present invention.
The terminal software edition download method of gigabit passive optical network provided by the invention is used for ONT Optical Network Terminal and downloads software version through its management control interface from optical line terminal, and is as shown in Figure 2, specifically may further comprise the steps:
Comprise the information of known itself of optical line terminal in the said beginning downloading request message, comprise that the size of software version is represented with S; The maximum window size of downloading is represented with MOLT; Also bag expands the maximum downloaded software sheet request message length that said optical line terminal can support and representes that with LOLT said LOLT is more than or equal to the length that message had 48 bytes of the management control interface regulation of said ONT Optical Network Terminal.Said optical line terminal is known these information before software version is downloaded.
After step 202, said ONT Optical Network Terminal receive said beginning downloading request message, write down the big or small S of said software version.
It is MONT that the maximum of said ONT Optical Network Terminal support is downloaded window size; The maximum downloaded software sheet request message length of supporting is LONT, and said LONT is more than or equal to the regular length that message had 48 bytes of the management control interface regulation of said ONT Optical Network Terminal.Said ONT Optical Network Terminal is known these information before software version is downloaded.
Said ONT Optical Network Terminal is selected the download window size N after the little value conduct among MOLT and the MONT is consulted; Select the little length L that is worth as the downloaded software sheet request message after consulting among LOLT and the LONT; And said N and L be packaged in begin to download response message, as shown in Figure 4.
The method for down loading of the terminal software version of gigabit passive optical network provided by the invention; Before beginning downloaded software version; The little value of the maximum downloaded software sheet request message length that selective light line terminal and ONT Optical Network Terminal are supported is the numerical value of this downloaded software sheet request message length the most; Make the regular length of the length of software sheet request message in the downloading process more than or equal to software sheet request message under the prior art; Make downloading process maximally utilise resources such as optical line terminal, ONT Optical Network Terminal, link, and can reduce interaction times, improve the speed of downloading.
Should be understood that, concerning those of ordinary skills, can improve or conversion, and all these improvement and conversion all should belong to the protection range of accompanying claims of the present invention according to above-mentioned explanation.
Claims (9)
1. the method for down loading of a Gbit passive optical network terminal software is used for ONT Optical Network Terminal from optical line terminal downloaded software version, it is characterized in that, may further comprise the steps:
A, said optical line terminal and ONT Optical Network Terminal carry out alternately the maximum downloaded software sheet request message length of each self-supporting, with little the value as the downloaded software sheet request message length after consulting among both;
B, said optical line terminal are packaged into downloaded software sheet request message with software version with the downloaded software sheet request message length after consulting, and send to said ONT Optical Network Terminal;
C, said ONT Optical Network Terminal receive said downloaded software sheet request message, and resolve and store the data to be downloaded in the said downloaded software sheet request message.
2. the method for down loading of Gbit passive optical network terminal software according to claim 1; It is characterized in that; To be said optical line terminal be packaged in the beginning downloading request message with the maximum downloaded software sheet request message length value of optical line terminal to reciprocal process in the said steps A, and send to said ONT Optical Network Terminal.
3. the method for down loading of Gbit passive optical network terminal software according to claim 2 is characterized in that, in said beginning downloading request message, also encapsulates the numerical value that maximum that said optical line terminal self can be supported is downloaded window size.
4. the method for down loading of Gbit passive optical network terminal software according to claim 3; It is characterized in that the maximum that said ONT Optical Network Terminal self can be supported said optical line terminal is downloaded window size and the known maximum that self can support of said ONT Optical Network Terminal and downloaded little value in the window size download window size after as negotiation.
5. the terminal software edition download method of gigabit passive optical network according to claim 4 is characterized in that, among the said step B, said downloaded software sheet request message is sent to said ONT Optical Network Terminal in batches.
6. the terminal software edition download method of gigabit passive optical network according to claim 5; It is characterized in that; Among the said step B, when sending downloaded software sheet request message, the bar number of every batch of downloaded software sheet request message is the numerical value of the download window size after the said negotiation in batches.
7. the terminal software edition download method of gigabit passive optical network according to claim 5; It is characterized in that, among the said step B, when sending downloaded software sheet request message in batches; After certain batch downloaded software sheet request message sends and finishes; Judge whether this batch downloaded software sheet request message sends success, if success continues to send next group downloaded software sheet request message; If, do not resend this batch downloaded software sheet request message.
8. the method for down loading of Gbit passive optical network terminal software according to claim 1 is characterized in that, said downloaded software sheet request message length is all more than or equal to the length of optical network terminal management control interface information.
9. the method for down loading of Gbit passive optical network terminal software according to claim 8 is characterized in that, the length of said optical network terminal management control interface information is 48 bytes.
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| CN2007101241753A CN101145843B (en) | 2007-10-25 | 2007-10-25 | A download method for Gbit passive optical network terminal software |
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| CN2007101241753A CN101145843B (en) | 2007-10-25 | 2007-10-25 | A download method for Gbit passive optical network terminal software |
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| CN101145843B true CN101145843B (en) | 2012-03-07 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101316191B (en) * | 2008-06-20 | 2011-01-05 | 中兴通讯股份有限公司 | Software edition upgrading method of user side equipment in Gigabit passive optical network system |
| CN101860456A (en) * | 2010-06-29 | 2010-10-13 | 中兴通讯股份有限公司 | Method and system for updating software of optical network units (ONUs) in Ethernet passive optical network |
| WO2011144043A2 (en) * | 2011-05-19 | 2011-11-24 | 华为技术有限公司 | Omci message transmission method, device and passive optical network system |
| CN102203732A (en) * | 2011-05-27 | 2011-09-28 | 华为技术有限公司 | Software upgrading method, apparatus and optical module |
| CN103109499A (en) * | 2012-09-24 | 2013-05-15 | 华为技术有限公司 | Management method, device, and system of server and computer readable medium |
| CN103795574A (en) * | 2014-01-27 | 2014-05-14 | 上海斐讯数据通信技术有限公司 | Method for upgrading optical network terminal configuration file |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459961A (en) * | 2002-05-21 | 2003-12-03 | 阿尔卡塔尔公司 | Method for packaging length changeable block, corresponding data block packaging device and de-packaging device |
| CN1595847A (en) * | 2004-06-21 | 2005-03-16 | 北京邮电大学 | Programmable optical network execution environment and realizing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459961A (en) * | 2002-05-21 | 2003-12-03 | 阿尔卡塔尔公司 | Method for packaging length changeable block, corresponding data block packaging device and de-packaging device |
| CN1595847A (en) * | 2004-06-21 | 2005-03-16 | 北京邮电大学 | Programmable optical network execution environment and realizing method thereof |
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Granted publication date: 20120307 |