CN101516047A - ONU automatic upgrading method in EPON access system - Google Patents
ONU automatic upgrading method in EPON access system Download PDFInfo
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- CN101516047A CN101516047A CNA2009101311223A CN200910131122A CN101516047A CN 101516047 A CN101516047 A CN 101516047A CN A2009101311223 A CNA2009101311223 A CN A2009101311223A CN 200910131122 A CN200910131122 A CN 200910131122A CN 101516047 A CN101516047 A CN 101516047A
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Abstract
The invention discloses an ONU automatic upgrading method in an EPON access system, which includes steps that a webmaster computer sends automatic upgrading enabling configuration parameter and instruction; a master control disc stores the configuration parameter and sends the configuration parameter to designed line cards; each line card modifies and stores the configuration parameter; the master control disc unloads upgrading file and stores the upgrading file to local buffer memory; the master control disc notices on-line line cards or AC 16 disc to unload and store the upgrading file; the line card store the upgrading file to the local buffer memory; and designed ONU obtains the upgrading file from the line cards or the AC 16 disc, writes in FLASH of the ONU to complete upgrading and reporting the upgrading result. The invention can once realize automatic upgrading of all ONUs under the line cards, even if the OUNs are not on-line when configuring , the invention can realize upgrading for the ONUs after the OUNs are on-line next, thereby increasing operation maintain efficiency in the EPON access system.
Description
Technical field
The present invention relates in the Ethernet passive optical network management method of ONU is particularly related to the ONU automatically updating method in a kind of EPON connecting system.
Background technology
(Ethernet Passive Optical System EPON) is a kind of novel Optical Access Network technology to ethernet passive optical network, and it adopts point to multipoint configuration, passive fiber transmission, and multiple business is provided on Ethernet.It has adopted the PON technology in physical layer, uses Ethernet protocol at link layer, utilizes the topological structure of PON to realize the access of Ethernet.Therefore, it combines the advantage of PON technology and ethernet technology: low cost; High bandwidth; Autgmentability is strong, flexibly service reorganization fast; Compatibility with existing Ethernet; Management or the like easily.
Typical EPON system is made up of OLT, ONU and ODN.OLT (Optical Line Terminal) is placed on central machine room, and OLT is a switch or router, is again that a multi-service provides platform, and the optical fiber interface towards passive optical-fiber network is provided.ODN (Optical Distributed Network) is an optical distribution, mainly connect OLT and ONU by one or several optical branching devices (Splitter), its function is the distribution downlink data and concentrates upstream data, optical branching device generally adopts passive device, do not need power supply, can place round-the-clock environment.ONU (Optical Network Unit) is a ustomer premises access equipment, the main Ethernet protocol that adopts, in the ONU of middle bandwidth and high bandwidth, realized two layers of Ethernet or even three layers of routing function with low cost, and can provide very high shared bandwidth by piling up for a plurality of end users.
At present, the EPON technology is ripe, be mainly reflected in following aspect: through the joint efforts of each standardization body, equipment and chip manufacturer, operator, EPON commercial chip and optical module are ripe, dominating down of China Telecom, EPON chip-scale and system-level interoperability test have been realized; The EPON industrial chain has formed optimum market competition structure also in further maturation, and equipment cost further descends, the commercial level of the scale that reached.
But along with the userbase of Access Network in the last few years constantly enlarges, also progressively rise for the maintenance management workload of the ONU of ustomer premises access equipment, particularly the updating and management of ONU has the improved place of being worth.Tradition ONU updating management method, mainly based on manual updating and management, general flow is: ONU sequence number, upgrade file and the corresponding ftp server IP, account, the password that at first need upgrading in the local side configuration, main control unit is from ftp server download and upgrade file and notify ply-yarn drill download and upgrade file then, the ply-yarn drill back download and upgrade file and notify ONU download and upgrade file that has notice, last ONU download and upgrade file is replaced local file, and updating result is reported local side.This manual updating operation often disposes one by one at ONU, and needs ONU simultaneously online, in case need again to reconfigure when having new ONU to insert, particularly needs the ONU that safeguards huge in practical engineering application, and this has caused inconvenience to operation maintenance.
Summary of the invention
Technical problem to be solved by this invention is the problem that solves the ONU updating operation inconvenience in the EPON connecting system.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention provides the ONU automatically updating method in a kind of EPON connecting system, may further comprise the steps:
A, webmaster computer send auto-update and enable configuration parameter and instruction, and described auto-update enables configuration parameter and comprises that at least auto-update enables ftp server IP address, account and the password of slot number, upgrade file name and storage upgrade file;
B, main control unit check whether described configuration parameter is legal, if parameter is illegal, reports the configuration parameter mistake and return;
C, main control unit are preserved above-mentioned configuration parameter and are issued the auto-update enable command and the ply-yarn drill of configuration parameter to the specified slot position;
D, each ply-yarn drill revise local data respectively according to above-mentioned configuration parameter and preserve, and wait for that then the main control unit notice obtains upgrade file;
E, main control unit are initiatively initiated the FTP request and are downloaded and preserve upgrade file to local cache according to the parameter of each groove position configuration from ftp server;
Upgrade file is downloaded and preserved to F, main control unit notice ply-yarn drill or the AC16 dish on the groove position;
The verification of G, ply-yarn drill or AC16 dish inspection upgrade file and whether correct is if the verification of upgrade file and incorrect produces the ONU upgrade file and obtains false alarm and upgrade daily record;
H, ply-yarn drill or AC16 dish are kept at this upgrade file in the local cache, parse the version number and the preservation of this upgrade file simultaneously;
I, ply-yarn drill or AC16 plate wheel are ask all ONU on the groove position and are checked that the version of this upgrade file is whether consistent with the FileVersion that preserve this locality, produce the low prompting of upgrade file version if local version is greater than or equal to upgraded version and return;
J, ONU examine and seize the FLASH that gets upgrade file and write this ONU from ply-yarn drill or AC16 and finish upgrading and report updating result.
In such scheme:
After ply-yarn drill or AC16 dish is kept at local cache with upgrade file and upgrading configuration parameter, open a poll thread, after monitoring a new ONU registration, notify this ONU to finish upgrading.
Between step e and F, increase step e 1, main control unit checks that successively the ply-yarn drill of the ONU correspondence that needs upgrading or AC16 dish are whether on the groove position, if not on the throne then open a poll thread, treat that ply-yarn drill or AC16 dish is plugged and connect after the communication with main control unit, continue upgrading.
Mistake in the auto-update process mainly comprises upgrade file mistake, the failure of main control unit download and upgrade file, the failure of ply-yarn drill download and upgrade file, the failure of ONU download and upgrade file, ONU upgrading failure, upgrade file check errors and configuration parameter mistake, for above-mentioned mistake, carry out log record, and report the webmaster computer to report to the police.
State information in the webmaster computer settings global variable record auto-update process, this state information comprise whether whether success of success and ONU upgrading of whether success of the whether success of main control unit download and upgrade file, ply-yarn drill download and upgrade file, ONU download and upgrade file.
Upgrade file size total amount limits the upgrade file buffer memory capacity according to main control unit, ply-yarn drill and ONU.
The upgrading object of described ONU comprises the firmware of chip at least, IAD/CPU software, PERS software and BOOT.
During the configuration auto-update, close batch upgrade.
The present invention, can disposable realization to the auto-update of all ONU under the ply-yarn drill, even and if ONU is not online during configuration can realize upgrading in the ONU registration back that powers on next time yet, improved the efficient of operation maintenance in the EPON connecting system.
Description of drawings
Fig. 1 is an EPON connecting system schematic diagram;
Fig. 2 is the ONU automatically updating method flow chart in the EPON connecting system of the present invention;
Fig. 3 is an ONU auto-update flow process;
The back auto-update flow process that Fig. 4 powers on for ONU;
Fig. 5 is the hot-swappable handling process of ply-yarn drill.
Embodiment
Fig. 1 is an EPON connecting system schematic diagram.As shown in Figure 1, the EPON connecting system is made up of OLT, ONU and ODN.Described OLT comprises main control unit, first line of a couplet dish, ply-yarn drill and AC16 dish, and ply-yarn drill or AC16 dish are connected to the OUN equipment of far-end, and AC16 dish processed voice business wherein comprises based on the voice of NGN with based on the voice of POTS.Upgrading to ONU equipment is mainly directly handled by ply-yarn drill, but for the upgrading of IAD owing to relate to speech business, by the directly processing of AC16 dish.The auto-update configuration parameter of this EPON connecting system is sent by webmaster computer (also can by the serial port command row), and provides upgrade file to download by ftp server.
Fig. 2 is the ONU automatically updating method flow chart in the EPON connecting system of the present invention, and as shown in Figure 2, this method may further comprise the steps:
A, webmaster computer send auto-update and enable configuration parameter and instruction, and described auto-update enables configuration parameter and comprises that at least auto-update enables ftp server IP address, account and the password of slot number, upgrade file name and storage upgrade file; During the configuration auto-update, close batch upgrade, in order to avoid cause conflict; Upgrade file size total amount limits the upgrade file buffer memory capacity according to main control unit, ply-yarn drill and ONU, the top of file of upgrade file should define upgrade file type, version information etc., and provide the upgrade file size, because all types of ONU upgrade files have nothing in common with each other, and same ONU upgrade file comprises the firmware of chip, IAD/CPU software, PERS software, BOOT etc. are so distinguish different upgrading object by the different filenames of unified Definition among the present invention.
B, main control unit check whether described configuration parameter is legal, if parameter is illegal, reports the configuration parameter mistake and return;
C, main control unit are preserved above-mentioned configuration parameter and are issued the auto-update enable command and the ply-yarn drill of configuration parameter to the specified slot position;
D, each ply-yarn drill revise local data respectively according to above-mentioned configuration parameter and preserve, and wait for that then the main control unit notice obtains upgrade file;
E, main control unit are initiatively initiated the FTP request and are downloaded and preserve upgrade file to local cache according to the parameter of each groove position configuration from ftp server;
Upgrade file is downloaded and preserved to F, main control unit notice ply-yarn drill or the AC16 dish on the groove position;
The verification of G, ply-yarn drill or AC16 dish inspection upgrade file and whether correct is if the verification of upgrade file and incorrect produces the ONU upgrade file and obtains false alarm and upgrade daily record;
H, ply-yarn drill or AC16 dish are kept at this upgrade file in the local cache, parse the version number and the preservation of this upgrade file simultaneously;
I, ply-yarn drill or AC16 plate wheel are ask all ONU on the groove position and are checked that the version of this upgrade file is whether consistent with the FileVersion that preserve this locality, produce the low prompting of upgrade file version if local version is greater than or equal to upgraded version and return;
J, ONU examine and seize the FLASH that gets upgrade file and write this ONU from ply-yarn drill or AC16 and finish upgrading and report updating result.
Further refinement of step H in the above-mentioned steps, I and J.
Step H, I, J are the general handling process of ONU auto-update, and as shown in Figure 3, above-mentioned steps can further be refined as following steps:
J1, hardware slot number and fileversion number are extracted in the preceding 0X100 position of header file from the upgrade file that downloads to;
Whether the hardware slot number that extracts among J2, the determining step J1 conforms to the ply-yarn drill slot number, if the generation hardware slot number that do not conform to is not inconsistent miscue and finishes;
Whether the version of J3, comparison upgrade software is greater than or equal to the software version of present operation, if unlike the software version height of present operation then produce and need not upgrade tip and finish;
J4, download corresponding ONU upgrade file from ply-yarn drill;
J5, CRC check, if check errors then produce ONU download and upgrade file error prompting, and return;
J6, write FLASH and finish upgrading.
Mistake in the auto-update process mainly comprises input upgrade file mistake (not having file size mistake etc. as file), the failure of main control unit download and upgrade file, the failure of ply-yarn drill download and upgrade file, the failure of ONU download and upgrade file, the ONU failure of upgrading, the upgrade file check errors.For above-mentioned mistake, carry out log record, and report the alarm of webmaster computer.
In the auto-update process, the webmaster computer need write down the state information of auto-update, global variable record by the webmaster computer settings, comprise whether main control unit download and upgrade file is successful, whether ply-yarn drill download and upgrade file is successful, whether ONU download and upgrade file is successful, and whether the ONU upgrading is successful.
In the such scheme, generally be that the configuration auto-update promptly begins the auto-update flow process after enabling, but in actual engineering opening, can not guarantee that all ONU are online that this just needs ONU to power on after the registration, can continue the auto-update flow process.The technical solution used in the present invention is to open a poll thread after step H, promptly after buffer memory upgrade file and upgrading configuration information on ply-yarn drill or the AC16 dish, open a poll thread, after monitoring a new ONU registration, continue escalation process, idiographic flow may further comprise the steps as shown in Figure 4:
Whether H1, ONU auto-update function enable, and do not upgrade if detect enable command then finish;
On H2, ply-yarn drill or the AC16 dish whether buffer memory upgrade file, if had upgrade file would finish the upgrading;
H3, whether be lower than upgraded version, if be not less than upgraded version then finish upgrading according to ONU type checking ONU operation version;
H4, download and upgrade file are write FLASH and are finished upgrading;
H5, ONU judge whether this upgrading is successful, if upgrading is unsuccessful, generates auto-update failure miscue and also report the renewal daily record;
H6, the generation successful daily record of upgrading also report.
In addition, when ply-yarn drill or AC16 dish temporarily not in the groove position or connect and set up, the present invention has provided the technical scheme that solves equally, as described in step e, the auto-update configuration information is kept at main control unit, treating that ply-yarn drill is plugged with main control unit connects after the communication, obtains automatic upgrading configuration information from main control unit, continues to finish auto-update, detailed process may further comprise the steps as shown in Figure 5:
Whether E1, this ply-yarn drill or AC16 dish enable, if do not detect this ply-yarn drill or AC16 dish enable command then finish upgrading;
E2, issue the auto-update configuration parameter to this ply-yarn drill or AC16 dish;
E3, main control unit are downloaded upgrade file according to configuration parameter from ftp server;
Whether E4, upgrade file are downloaded successful, if download gets nowhere then returns E1 and restart;
E5, notify this ply-yarn drill or AC16 to examine and seize to get upgrade file.
Afterwards, continue step G～J, finish upgrading.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, all falls within protection scope of the present invention.
Claims (8)
1, ONU auto-update management method in the EPON connecting system is characterized in that may further comprise the steps:
A, webmaster computer send auto-update and enable configuration parameter and instruction, and described auto-update enables configuration parameter and comprises that at least auto-update enables ftp server IP address, account and the password of slot number, upgrade file name and storage upgrade file;
B, main control unit check whether described configuration parameter is legal, if parameter is illegal, reports the configuration parameter mistake and return;
C, main control unit are preserved above-mentioned configuration parameter and are issued the auto-update enable command and the ply-yarn drill of configuration parameter to the specified slot position;
D, each ply-yarn drill revise local data respectively according to above-mentioned configuration parameter and preserve, and wait for that then the main control unit notice obtains upgrade file;
E, main control unit are initiatively initiated the FTP request and are downloaded and preserve upgrade file to local cache according to the parameter of each groove position configuration from ftp server;
Upgrade file is downloaded and preserved to F, main control unit notice ply-yarn drill or the AC16 dish on the groove position;
The verification of G, ply-yarn drill or AC16 dish inspection upgrade file and whether correct is if the verification of upgrade file and incorrect produces the ONU upgrade file and obtains false alarm and upgrade daily record;
H, ply-yarn drill or AC16 dish are kept at this upgrade file in the local cache, parse the version number and the preservation of this upgrade file simultaneously;
I, ply-yarn drill or AC16 plate wheel are ask all ONU on the groove position and are checked that the version of this upgrade file is whether consistent with the FileVersion that preserve this locality, produce the low prompting of upgrade file version if local version is greater than or equal to upgraded version and return;
J, ONU examine and seize the FLASH that gets upgrade file and write this ONU from ply-yarn drill or AC16 and finish upgrading and report updating result.
2, ONU auto-update management method in the EPON connecting system as claimed in claim 1, it is characterized in that after ply-yarn drill or AC16 dish is kept at local cache with upgrade file and upgrading configuration parameter, opening a poll thread, after monitoring a new ONU registration, notify this ONU to finish upgrading.
3, ONU auto-update management method in the EPON connecting system as claimed in claim 1, it is characterized in that, between step e and F, increase step e 1, main control unit checks successively whether on the throne the ply-yarn drill of the ONU correspondence that needs upgrading or AC16 coil, if it is not on the throne then open a poll thread, treat that ply-yarn drill or AC16 dish plugs and connect after the communication with main control unit, continue upgrading.
4, ONU auto-update management method in the EPON connecting system as claimed in claim 1, it is characterized in that, mistake in the auto-update process mainly comprises upgrade file mistake, the failure of main control unit download and upgrade file, the failure of ply-yarn drill download and upgrade file, the failure of ONU download and upgrade file, ONU upgrading failure, upgrade file check errors and configuration parameter mistake, for above-mentioned mistake, carry out log record, and report webmaster to report to the police.
5, ONU auto-update management method in the EPON connecting system as claimed in claim 1, it is characterized in that, state information in the webmaster computer settings global variable record auto-update process, this state information comprise whether whether success of success and ONU upgrading of whether success of the whether success of main control unit download and upgrade file, ply-yarn drill download and upgrade file, ONU download and upgrade file.
6, ONU auto-update management method in the EPON connecting system as claimed in claim 1 is characterized in that upgrade file size total amount limits the upgrade file buffer memory capacity according to main control unit, ply-yarn drill and ONU.
7, ONU auto-update management method in the EPON connecting system as claimed in claim 1, the upgrading object that it is characterized in that described ONU comprises the firmware of chip, IAD/CPU software, PERS software and BOOT at least.
8, ONU auto-update management method in the EPON connecting system as claimed in claim 1 is characterized in that, during the configuration auto-update, closes batch upgrade.
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