CN101079676A - An upgrade method of optical synchronization digital transmission network system - Google Patents

An upgrade method of optical synchronization digital transmission network system Download PDF

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Publication number
CN101079676A
CN101079676A CN 200610011996 CN200610011996A CN101079676A CN 101079676 A CN101079676 A CN 101079676A CN 200610011996 CN200610011996 CN 200610011996 CN 200610011996 A CN200610011996 A CN 200610011996A CN 101079676 A CN101079676 A CN 101079676A
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interface unit
fiber interface
ufiu umsc
network system
forty
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CN101079676B (en
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杨昭霞
关鲁君
陆波
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ZTE Corp
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ZTE Corp
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Abstract

The invention discloses an updating method of optical synchronous digital transmitting network system for SDH network system, which comprises the following steps: 1. changing the updated low-speed optical interface at two ends of SDH network system into high-speed optical interface unit; 2. testing the back board bus velocity variation through crossing disposing unit connected with optical interface unit; modulating the distribution of time interval allocation on the low-speed bus business into the distribution on the high-speed bus according to the variation of back board bus speed automatically; 3. repeating the step 1 and step 2; changing the low-speed optical interface unit at two ends of network end into high-speed optical interface unit; 4. handing out network allocating information and protection information of allocation information of high-speed network for network equipment of the updated high-speed optical interface unit. The invention ensures the SDH equipment updating without influencing for business, which simplifies the updating course and shortens the updating time.

Description

A kind of upgrade method of optical synchronization digital transmission network system
Technical field
The present invention relates to a kind of upgrade method of optical synchronization digital transmission network system, particularly relate to the implementation method of low rate SDH (Synchronous Digital Hierarchy, SDH (Synchronous Digital Hierarchy)) optical transport network system to high rate SDH optical transport network system upgrade.
Background technology
Existing optical transmission device is by the compatible backboard of design, and compatible veneer of subsequent development and related software are realized the upgrading of former low rate system to the two-forty system.This escalation process is owing to relate to veneer replacement and software upgrading; and the network protection disabler of original system in renewal process, thereby can cause the business of original normal operation to be interrupted, gently several hrs then; heavy then reach several days, cause the cost of network upgrade very big.
The patent No. of announcing on October 29th, 1996 according to American National Patent Office is 5; 570; 344 patent; it is present reasonable method; it utilizes SDH protect networks function; during the some network segment in upgrade of network; utilize other network segment to realize to the just protection of Business Stream on equipment during upgrading; but because this method is in escalation process; SDH network high speed rate equipment and low rate equipment exist simultaneously, and therefore the automatic protection functions that can't use the SDH network to provide needs the manual normal realization that guarantees defencive function of much operating; upgrade step is quite complicated, and engineering is used extremely inconvenient.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of upgrade method of optical synchronization digital transmission network system, be used to overcome optical transmission device when use has upgrade technique now, cause the shortcoming that the professional chief time interrupts and/or escalation process is loaded down with trivial details, escalation process is long.
To achieve these goals, the invention provides a kind of upgrade method of optical synchronization digital transmission network system, be used for the SDH network system, it is characterized in that, comprising:
Step 1 is replaced with the two-forty UFIU UMSC Fiber Interface Unit with the low rate UFIU UMSC Fiber Interface Unit to be upgraded at network segment two ends in the described SDH network system;
Step 2, detect the core bus rate variation of described two-forty UFIU UMSC Fiber Interface Unit by a cross processing unit that is connected with UFIU UMSC Fiber Interface Unit, and according to this core bus rate variation automatically with time slot configuration by the distribution that is adjusted in the distribution on the low rate bus traffic on the two-forty bus;
Step 3, repeating said steps one, described step 2 are replaced with the two-forty UFIU UMSC Fiber Interface Unit with the low rate UFIU UMSC Fiber Interface Unit to be upgraded at all network segment two ends; And
Step 4 issues the network configuration information of two-forty one by one and protects information configuration information the network equipment that upgrades to described two-forty UFIU UMSC Fiber Interface Unit.
Described upgrade method of optical synchronization digital transmission network system, wherein, in the described step 1, also comprise the transmitting-receiving optical fiber that takes off described low rate UFIU UMSC Fiber Interface Unit, and described two-forty UFIU UMSC Fiber Interface Unit is inserted into step in the described low rate UFIU UMSC Fiber Interface Unit corresponding groove position.
Described upgrade method of optical synchronization digital transmission network system, wherein, in the described step 1, the core bus speed of described two-forty UFIU UMSC Fiber Interface Unit is different with the core bus speed of described low rate UFIU UMSC Fiber Interface Unit.
Described upgrade method of optical synchronization digital transmission network system, wherein, in the described step 1, the configuration information that described two-forty UFIU UMSC Fiber Interface Unit receives is the configuration information of described low rate UFIU UMSC Fiber Interface Unit.
Described upgrade method of optical synchronization digital transmission network system, wherein, in the described step 2, described cross processing unit is connected with UFIU UMSC Fiber Interface Unit by the service bus of backboard.
Described upgrade method of optical synchronization digital transmission network system, wherein, in the described step 2, described cross processing unit carries out one of as follows described core bus rate variation and detects:
By the bus mode between described two-forty UFIU UMSC Fiber Interface Unit and the described cross processing unit; Or
Notify the mode of described cross processing unit by described two-forty UFIU UMSC Fiber Interface Unit; Or
Automatically discern core bus speed mode by the hardware designs of described cross processing unit; Or
Notify the core bus speed mode of described two-forty UFIU UMSC Fiber Interface Unit corresponding groove position, described cross processing unit by webmaster control interface in the described SDH network system.
Described upgrade method of optical synchronization digital transmission network system, wherein, in the described step 3, comprise that also one judges whether the low rate UFIU UMSC Fiber Interface Unit to be upgraded at all network segment two ends is replaced with the step of two-forty UFIU UMSC Fiber Interface Unit, if not, then continue to carry out described step 3, if then carry out described step 4.
Described upgrade method of optical synchronization digital transmission network system wherein, before described step 4, comprises that also all optical fiber carry out step of connecting in a pair of described SDH network system.
Described upgrade method of optical synchronization digital transmission network system wherein, before described step 4, comprises also one judges whether all optical fiber all connect normal step in the described SDH network system, when all optical fiber all connect just often, carries out described step 4.
Technique effect of the present invention is:
The present invention overcomes optical transmission device when use has upgrade technique now, causes the professional chief time to be interrupted, and/or the shortcoming that escalation process is loaded down with trivial details, escalation process is long, has solved existing upgrade technique and has caused service disconnection, and updating operation is not easy to the problem that engineering is used; Compared with prior art, adopt method of the present invention, guaranteed that on the one hand the SDH device upgrade do not have influence to business, make that on the other hand equipment compatibility is stronger, escalation process is also very simple, has shortened update time, has improved the stability and the upgrading efficient of network upgrade.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is a kind of SDH of the present invention system smooth upgrade flow chart;
Fig. 2 is the step schematic diagram of STM-16 guard ring smooth upgrade of the present invention to the STM-64 guard ring.
Embodiment
See also shown in Figure 1ly, be a kind of SDH of the present invention system smooth upgrade flow chart.This flow process comprises the steps:
Step 101 is pulled out low rate UFIU UMSC Fiber Interface Unit to be upgraded, is replaced by the two-forty UFIU UMSC Fiber Interface Unit; This step is specially:
Pull up the low rate UFIU UMSC Fiber Interface Unit of the SDH equipment that a certain network segment two ends are connected in the network; And
Pull up from SDH equipment two ends on the corresponding groove position of low rate UFIU UMSC Fiber Interface Unit, be replaced with the two-forty UFIU UMSC Fiber Interface Unit.
In this step, the core bus speed of the two-forty UFIU UMSC Fiber Interface Unit after the replacing can be different with the core bus speed of original low rate UFIU UMSC Fiber Interface Unit.
Step 102, the cross processing unit detects the core bus rate variation, and automatically adjusts former business time-slot according to the core bus rate variation and be configured in distribution on the current bus;
In this step, the cross processing unit can detect the core bus rate variation in several ways.
Step 103, is the low rate UFIU UMSC Fiber Interface Unit of judging all network segments of need upgrading changed and is finished? do not finish if change, then repeated execution of steps 101, step 102 finish if change, and then step continues;
Step 104; after all low rate UFIU UMSC Fiber Interface Units all are replaced by the two-forty UFIU UMSC Fiber Interface Unit in the network; all optical fiber in the network are connected; judge whether all optical fiber all connect normal in the network; when all optical fiber in the network all connect under the normal situation, each the end equipment that upgrades to the two-forty UFIU UMSC Fiber Interface Unit in the network is issued one by one the network configuration information and the protection information configuration information of two-forty.
In this step, the transmitting sequence of configuration information does not have particular requirement.
The present invention is in SDH network system upgrade technique, by introducing the cross processing unit UFIU UMSC Fiber Interface Unit is carried out the core bus rate adaptation.Rate adaptation is meant, in escalation process, substitute the former low rate UFIU UMSC Fiber Interface Unit of SDH equipment with the two-forty UFIU UMSC Fiber Interface Unit of SDH equipment, the two-forty UFIU UMSC Fiber Interface Unit bus of this SDH equipment can on-line operation in low rate or high-rate mode, the cross processing unit can adapt to automatically, adjusts accordingly according to core bus speed.
By the service bus interconnection of backboard, the time slot cross-over configuration is finished in the cross processing unit between cross processing unit and the UFIU UMSC Fiber Interface Unit.
In order to realize the upgrading of low rate SDH optical transport network system to high rate SDH optical transport network system, SDH equipment is by the compatible backboard of design, and compatible veneer and related software are realized the upgrading of former low rate system to the two-forty system.When carrying out the bus design of backboard, distributing to the bus number of each UFIU UMSC Fiber Interface Unit groove position fixes, when certain groove position when the low rate UFIU UMSC Fiber Interface Unit upgrades to the two-forty UFIU UMSC Fiber Interface Unit, because capacity increases, only on this groove position direction, reserved unnecessary standby number of buses for high-rate service, and do not having just can't to realize the smooth upgrade of this groove position under the situation about reserving.
When SDH optical transport network system upgrade; directly the low rate UFIU UMSC Fiber Interface Unit is replaced by the two-forty UFIU UMSC Fiber Interface Unit; the core bus speed of two-forty UFIU UMSC Fiber Interface Unit is higher than low rate traffic core bus speed; do not need network configuration and protection information configuration; the cross processing unit detects the information by UFIU UMSC Fiber Interface Unit; detect the corresponding core bus rate variations of this UFIU UMSC Fiber Interface Unit; automatically the distribution of time slot configuration on original low rate bus traffic is adjusted into the distribution on the two-forty bus, two-forty UFIU UMSC Fiber Interface Unit business can normally be used.
The cross processing unit that possesses above function can simple and direct realization not have the professional smooth upgrade that interrupts when network system is upgraded, upgrading is reduced to minimum to the influence of business, has greatly reduced the risk of SDH upgrading network equipment.
See also shown in Figure 2ly, be the step schematic diagram of STM-16 guard ring smooth upgrade of the present invention to the STM-64 guard ring.Among this Fig. 2, the SDH guard ring network system that is upgraded to 10G speed with the SDH guard ring network system of 2.5G speed is an example, and upgrading scheme of the present invention is had been described in detail.
Wherein, there are 4 core buss each groove position, and when UFIU UMSC Fiber Interface Unit was OL16 low rate UFIU UMSC Fiber Interface Unit, core bus speed was 622M, and when UFIU UMSC Fiber Interface Unit was OL64 two-forty UFIU UMSC Fiber Interface Unit, core bus speed was 2.5G.STM-16 (Synchronous Transfer Mode-16, Synchronous Transfer Mode 1 6) guard ring smooth upgrade is as follows to the process of STM-64 (Synchronous Transfer Mode-64, synchronous transfer module 64) guard ring:
Step 201, the OL16 low rate UFIU UMSC Fiber Interface Unit of any one light direction in any website in the selected network (as the A station) takes off its transmitting-receiving optical fiber (this moment, business automatically switched to the protection direction), and directly this OL16 low rate UFIU UMSC Fiber Interface Unit is extracted;
Step 202 is inserted OL64 two-forty UFIU UMSC Fiber Interface Unit in the groove position of the OL16 low rate UFIU UMSC Fiber Interface Unit of extracting, and obtains upgrade status shown in Figure 2, but the configuration information that this moment, OL64 two-forty UFIU UMSC Fiber Interface Unit received still is the OL16 configuration information; Configuration information refers to and the relevant veneer collocation information of this groove position tabula rasa herein.
The cross processing unit 20 that is connected with UFIU UMSC Fiber Interface Unit can detect the core bus rate variation of UFIU UMSC Fiber Interface Unit corresponding groove position in several ways, such as: by the bus between UFIU UMSC Fiber Interface Unit and the cross processing unit 20, by UFIU UMSC Fiber Interface Unit notice cross processing unit 20; Perhaps discern core bus speed automatically by the hardware designs of cross processing unit 20; Perhaps notify core bus speed of 20 corresponding groove positions, cross processing unit or the like by the webmaster control interface, after cross processing unit 20 detects the core bus rate variation by above-mentioned any mode, then adjust the distribution of cross time-slot on current bus automatically, guarantee professional unimpeded.
Step 203 is upgraded to the corresponding OL16 UFIU UMSC Fiber Interface Unit of the opposite end website (D station) of the OL64 UFIU UMSC Fiber Interface Unit after the A station upgrading;
Repeating step 201,202,203 behind the complete operation, connects the transmitting-receiving optical fiber between A station and the D station, obtains upgrade status shown in Figure 2 two;
Step 204 with reference to upgrade status three shown in Figure 2, continues repeating step 202 and step 203 between other website;
Step 205, after finishing the escalation process of whole network system, obtain upgrade status shown in Figure 2 four, and do not interrupt original business, the time slot configuration distribution has been adjusted automatically to all buses of being replaced by the OL64 UFIU UMSC Fiber Interface Unit in the unit of cross processing at this moment 20, has guaranteed the professional unimpeded of OL64 UFIU UMSC Fiber Interface Unit;
Step 206; in connecting network all optical fiber and the unprotect switching action is taken place after; each the end equipment that upgrades to the two-forty UFIU UMSC Fiber Interface Unit in the network is issued again by the configuration information of OL64 UFIU UMSC Fiber Interface Unit one by one; make network become normal STM-64 guard ring, upgrading end-state as shown in Figure 2.
Like this, whole network system upgrading is finished, and Network can not interrupted in this process.
Above-mentioned OL16 UFIU UMSC Fiber Interface Unit is the SDH Optical Fiber Interface Board that is used for treatment S TM-16 frame structure, and its transmission rate is 2.5G/s (its exact value is 2488.320Mbit/s);
Above-mentioned OL64 UFIU UMSC Fiber Interface Unit is the SDH Optical Fiber Interface Board that is used for treatment S TM-64 frame structure, and its transmission rate is 10G/s (its exact value is 9953.280Mbit/s).
Cross processing of the present invention unit is to UFIU UMSC Fiber Interface Unit core bus speed self-adaption method, is implemented in not to reserve for high-rate service to adjust core bus speed automatically by cross unit under the situation of bus and carry high-rate service, thereby realizes smooth upgrade.
The present invention overcomes optical transmission device when use has upgrade technique now, causes the professional chief time to be interrupted, and/or the shortcoming that escalation process is loaded down with trivial details, escalation process is long, has solved existing upgrade technique and has caused service disconnection, and updating operation is not easy to the problem that engineering is used; Adopt method of the present invention, compared with prior art, guaranteed that on the one hand the SDH device upgrade do not have influence to business, make equipment compatibility stronger on the other hand, escalation process is also simplified very much, has improved the stability and the upgrading efficient of network system upgrading.
Experiment showed, that the inventive method is simple and easy to do, on engineering is used, have very strong usability and operability.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (9)

1, a kind of upgrade method of optical synchronization digital transmission network system is used for the SDH network system, it is characterized in that, comprising:
Step 1 is replaced with the two-forty UFIU UMSC Fiber Interface Unit with the low rate UFIU UMSC Fiber Interface Unit to be upgraded at network segment two ends in the described SDH network system;
Step 2, detect the core bus rate variation of described two-forty UFIU UMSC Fiber Interface Unit by a cross processing unit that is connected with UFIU UMSC Fiber Interface Unit, and according to this core bus rate variation automatically with time slot configuration by the distribution that is adjusted in the distribution on the low rate bus traffic on the two-forty bus;
Step 3, repeating said steps one, described step 2 are replaced with the two-forty UFIU UMSC Fiber Interface Unit with the low rate UFIU UMSC Fiber Interface Unit to be upgraded at all network segment two ends; And
Step 4 issues the network configuration information of two-forty one by one and protects information configuration information the network equipment that upgrades to described two-forty UFIU UMSC Fiber Interface Unit.
2, upgrade method of optical synchronization digital transmission network system according to claim 1, it is characterized in that, in the described step 1, also comprise the transmitting-receiving optical fiber that takes off described low rate UFIU UMSC Fiber Interface Unit, and described two-forty UFIU UMSC Fiber Interface Unit is inserted into step in the described low rate UFIU UMSC Fiber Interface Unit corresponding groove position.
3, upgrade method of optical synchronization digital transmission network system according to claim 1 is characterized in that, in the described step 1, the core bus speed of described two-forty UFIU UMSC Fiber Interface Unit is different with the core bus speed of described low rate UFIU UMSC Fiber Interface Unit.
According to claim 1,2 or 3 described upgrade method of optical synchronization digital transmission network system, it is characterized in that 4, in the described step 1, the configuration information that described two-forty UFIU UMSC Fiber Interface Unit receives is the configuration information of described low rate UFIU UMSC Fiber Interface Unit.
According to claim 1,2 or 3 described upgrade method of optical synchronization digital transmission network system, it is characterized in that 5, in the described step 2, described cross processing unit is connected with UFIU UMSC Fiber Interface Unit by the service bus of backboard.
According to claim 1,2 or 3 described upgrade method of optical synchronization digital transmission network system, it is characterized in that 6, in the described step 2, described cross processing unit carries out one of as follows described core bus rate variation and detects:
By the bus mode between described two-forty UFIU UMSC Fiber Interface Unit and the described cross processing unit; Or
Notify the mode of described cross processing unit by described two-forty UFIU UMSC Fiber Interface Unit; Or
Automatically discern core bus speed mode by the hardware designs of described cross processing unit; Or
Notify the core bus speed mode of described two-forty UFIU UMSC Fiber Interface Unit corresponding groove position, described cross processing unit by webmaster control interface in the described SDH network system.
7, according to claim 1,2 or 3 described upgrade method of optical synchronization digital transmission network system, it is characterized in that, in the described step 3, comprise that also one judges whether the low rate UFIU UMSC Fiber Interface Unit to be upgraded at all network segment two ends is replaced with the step of two-forty UFIU UMSC Fiber Interface Unit, if not, then continue to carry out described step 3, if then carry out described step 4.
8, according to claim 1,2 or 3 described upgrade method of optical synchronization digital transmission network system, it is characterized in that, before described step 4, comprise that also all optical fiber carry out step of connecting in a pair of described SDH network system.
9, upgrade method of optical synchronization digital transmission network system according to claim 8, it is characterized in that, before described step 4, comprise that also one judges whether all optical fiber all connect normal step in the described SDH network system, when all optical fiber all connect just often, carry out described step 4.
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Cited By (6)

* Cited by examiner, † Cited by third party
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WO2010009647A1 (en) * 2008-07-24 2010-01-28 中兴通讯股份有限公司 Method and apparatus for implementing an optical interface with a plurality of velocities
CN101197635B (en) * 2007-12-14 2011-08-10 中兴通讯股份有限公司 Method for smoothly upgrading phototiming digital transmission system equipment
CN101340295B (en) * 2008-08-07 2011-12-14 北京锐安科技有限公司 Data access processing board of backbone optical network with multiple band-width gradation
CN101795200B (en) * 2010-01-28 2015-05-20 中国电子科技集团公司第五十四研究所 Multi-rate POS interface adaptive transmission method
CN110049388A (en) * 2019-05-22 2019-07-23 深圳市钮为通信技术有限公司 Distributed OLT data processing method and distributed OLT device
CN111866957A (en) * 2020-06-08 2020-10-30 烽火通信科技股份有限公司 Method and device for realizing rate self-adaption of backboard of transmission equipment

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JP3561848B2 (en) * 1994-03-01 2004-09-02 富士通株式会社 Transmission apparatus and redundant configuration switching method
JP2000269912A (en) * 1999-03-18 2000-09-29 Fujitsu Ltd Method and device for transmitting low-speed sdh signal by high-speed sdh signal
CN100438363C (en) * 2004-09-30 2008-11-26 华为技术有限公司 Bandwidth updating method and control flow for synchronous digital system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101197635B (en) * 2007-12-14 2011-08-10 中兴通讯股份有限公司 Method for smoothly upgrading phototiming digital transmission system equipment
WO2010009647A1 (en) * 2008-07-24 2010-01-28 中兴通讯股份有限公司 Method and apparatus for implementing an optical interface with a plurality of velocities
CN101330328B (en) * 2008-07-24 2012-07-04 中兴通讯股份有限公司 Method and apparatus for implementing multi-speed optical interface
CN101340295B (en) * 2008-08-07 2011-12-14 北京锐安科技有限公司 Data access processing board of backbone optical network with multiple band-width gradation
CN101795200B (en) * 2010-01-28 2015-05-20 中国电子科技集团公司第五十四研究所 Multi-rate POS interface adaptive transmission method
CN110049388A (en) * 2019-05-22 2019-07-23 深圳市钮为通信技术有限公司 Distributed OLT data processing method and distributed OLT device
CN110049388B (en) * 2019-05-22 2024-03-19 深圳市友华通信技术有限公司 Distributed OLT data processing method and distributed OLT equipment
CN111866957A (en) * 2020-06-08 2020-10-30 烽火通信科技股份有限公司 Method and device for realizing rate self-adaption of backboard of transmission equipment
CN111866957B (en) * 2020-06-08 2022-08-19 烽火通信科技股份有限公司 Method and device for realizing rate self-adaption of backboard of transmission equipment

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