CN104270433A - Distributed type SSM protocol processing system and method based on complex packet switching system - Google Patents
Distributed type SSM protocol processing system and method based on complex packet switching system Download PDFInfo
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- CN104270433A CN104270433A CN201410487364.7A CN201410487364A CN104270433A CN 104270433 A CN104270433 A CN 104270433A CN 201410487364 A CN201410487364 A CN 201410487364A CN 104270433 A CN104270433 A CN 104270433A
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- 238000012545 processing Methods 0.000 title claims abstract description 124
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000004891 communication Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 7
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0641—Change of the master or reference, e.g. take-over or failure of the master
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
Abstract
The invention provides a distributed type SSM protocol processing system and method based on a complex packet switching system, and relates to the technical field of synchronous transmission systems. The distributed type SSM protocol processing system comprises a main control disc, a system switching unit and at least one service disc. The system switching unit is responsible for processing the communication between a main control processing unit and service processing units. The main control disc comprises the main control processing unit and a main control logic processing unit. The main control logic processing unit is responsible for collecting SSM input information of all ports of each service disc and packaging output data of the main control processing unit. The main control processing unit is responsible for processing the SSM input information. Each service disc comprises one service processing unit and a service logic processing unit, wherein the service processing unit is responsible for calculating the SSM input information of all the ports of the corresponding service disc and sending the SSM input information to the service logic processing unit, and the service logic processing unit is responsible for reporting the SSM input information of all the ports of the corresponding service disc to the main control logic processing unit and sending ESMC messages to all the corresponding ports.
Description
Technical field
The present invention relates to synchronous transmission system technical field, is specifically a kind of distributed SSM based on complex packet switching system (Synchronous Status Message, Synchronication status message) protocol processing system and method.
Background technology
At present, SSM agreement is widely used in the synchronous digital hierarchy of transmission field.For synchro system, clock be synchronously vital, and synchro system clock topology design in avoid timing loop be design overriding concern target.
Produce timing loop for how to avoid, the realization of SSM agreement is important means.The realization of SSM agreement not only comprises the realization of SSM rule, also has strict requirement to the time of SSM information processing.According to G.8262 with GB YD/T 1267 requirement, without the SSM process time delay T under switching condition
nSM(non-switch messages time delay) <200ms, has the SSM process time delay T under switching condition
sM(switch messages time delay) <500ms, the SSM process time delay T under conservation condition
hM(keeping information time delay) <2000ms.
Along with Current communications equipment becomes increasingly complex, the Business Processing port of support also increases gradually.Each port needs to support clock synchronous, supports to transmit SSM information.Suppose total N block business dish, every block business dish has M port.Algorithm traditionally, master cpu need carry out the SSM information operation of N*M port altogether.For complication system, the process port of SSM protocol stack may be very many.The number of services of the now required process of system itself is large, and class of business is complicated, and on main control unit, cpu load is very large, and process the SSM message of multiport, SSM time delay will be discontented with sufficient protocol requirement simultaneously.If the processing delay of SSM agreement is excessive, will make when clock source switches in clock loop, to produce timing loop (timing loop: the phenomenon tracing into the net synchronizing signal oneself provided from clock, is called timing loop.When exporting directly from clock or being indirectly looped back to input through network, there is timing loop), cause overall clock chain circuit unstable, and produce vibration in clock chain circuit.
Summary of the invention
For the defect existed in prior art, the object of the present invention is to provide a kind of distributed SSM protocol processing system based on complex packet switching system and method, present invention improves the corresponding time delay of SSM, the effective time reducing SSM process, avoid producing timing loop in clock loop.
For reaching above object, the technical scheme that the present invention takes is: a kind of distributed SSM protocol processing system based on complex packet switching system, comprise main control unit, systems exchange unit and at least one business dish, systems exchange unit, is responsible for the communication between master control processing unit and Service Processing Unit; Main control unit comprises master control processing unit and master control logic processing unit, the SSM that described master control logic processing unit is responsible for collecting each port of each business dish inputs information, the output data of master control processing unit are encapsulated, and is sent to each business logic processing unit; Described master control processing unit is responsible for the process that described SSM inputs information; And output data are sent to each Service Processing Unit; Each business dish includes Service Processing Unit and business logic processing unit; Described Service Processing Unit is responsible for the SSM output information of each port of computing service dish, and is packaged into ESMC message, is sent to business logic processing unit; Described business logic processing unit is responsible for the SSM of each for this business dish port to input information reporting to master control logic processing unit, and described ESMC message is sent to each port.
On the basis of technique scheme, be provided with master control protocol stack in described master control processing unit, it is responsible for the process that described SSM inputs information; Be provided with service protocol stack in described Service Processing Unit, it is responsible for the SSM output information of each port of computing service dish.
On the basis of technique scheme, also comprise main control unit for subsequent use, described main control unit for subsequent use is the redundancy unit of main control unit, copies the data of main control unit and backs up.
On the basis of technique scheme, also comprise communication unit between dish, between described dish, communication unit is used for the transmission of load data between main control unit and main control unit for subsequent use.
On the basis of technique scheme, also comprise the order input terminal of peripheral hardware, client is configured by the time clock feature of order input terminal to native system, the configuration information of order input terminal carries out changing and being separated by master control protocol stack, and the configuration needed for SSM agreement is sent to master control processing unit.
On the basis of technique scheme, described order input terminal is the PC being provided with equipment webmastering software or order line inputting interface.
Based on the distributed SSM protocol processes method based on complex packet switching system of said system, comprise the following steps: the SSM that step S1. each business logic processing unit obtains each port of this business dish inputs information; Step S2. master control processing unit obtains the configuration information of user's input, by systems exchange unit, notifies that each business dish needs to report SSM to input the business dish numbering of information; Respective SSM is inputted information reporting to master control logic processing unit by business logic processing unit by the business dish that the notified need of step S3. report SSM to input information; Master control protocol stack is provided with in step S4. master control processing unit, in the configuration information that this master control protocol stack inputs user and master control logic processing unit, the SSM of each business dish inputs information and carries out SSM protocol processes, and the configuration information that result and user input is merged, the Service Processing Unit of former business dish is back to by systems exchange unit; Service protocol stack is provided with in step S5. Service Processing Unit, the configuration information that this service protocol stack inputs according to the result received and user, calculate the SSM output information of each port, this SSM output information is packaged into ESMC message by Service Processing Unit, is sent to each port of business dish by business logic processing unit.
On the basis of technique scheme, in step S4, in the configuration information that master control protocol stack inputs according to user and master control logic processing unit, the SSM of each business dish inputs the SSM value that information calculates Current lock source and Current lock source.
On the basis of technique scheme, in step S5, the form of described ESMC message meets G.8264 protocol requirement.
Beneficial effect of the present invention is:
1, the method for a kind of distributed arithmetic of the present invention's employing, is completed by main control unit and business dish jointly by the process of SSM information.The transmitting portion of SSM rule is completed by business dish, and whole equipment all of the port focused on the port becoming the process self of business dish, improves the corresponding time delay of SSM, the effective time reducing SSM process, avoids producing timing loop in clock loop.
2, the present invention selectively can send the SSM message of master control needs to main control unit, because this reducing data traffic by exchanges data (packet switch) the business dish between main control unit and business dish.
3, main control unit of the present invention and the processing unit of main control unit for subsequent use are crossed communication unit between dish and are carried out synchronous; can ensure that main control unit and main control unit for subsequent use are consistent on the configuration information received, each business dish state consistency that main control unit and main control unit for subsequent use obtain, can defencive function be provided when main control unit breaks down.
Accompanying drawing explanation
Fig. 1 is the structured flowchart based on the distributed SSM protocol processing system of complex packet switching system in the embodiment of the present invention;
Fig. 2 is main control unit and the synchronous schematic diagram of main control unit for subsequent use in the embodiment of the present invention;
Fig. 3 is the schematic diagram that in the embodiment of the present invention, main control unit obtains configuration information.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Shown in Figure 1, a kind of distributed SSM protocol processing system based on complex packet switching system, comprises main control unit, systems exchange unit and at least one business dish, systems exchange unit, is responsible for the communication between master control processing unit and Service Processing Unit; Main control unit comprises master control processing unit and master control logic processing unit, the SSM that described master control logic processing unit is responsible for collecting each port of each business dish inputs information, the output data of master control processing unit are encapsulated (being packaged into internal system communication format), and is sent to each business logic processing unit; Described master control processing unit is responsible for the process that described SSM inputs information; And output data are sent to each Service Processing Unit; Be provided with master control protocol stack in described master control processing unit, it is responsible for the process that described SSM inputs information.Each business dish includes Service Processing Unit and business logic processing unit; Described Service Processing Unit is responsible for the SSM output information of each port of computing service dish, and be packaged into ESMC (Ethernet synchronization messaging channel, Ethernet synchronization message passage) message (meeting international standard ESMC message format G.8264), be sent to business logic processing unit; Be provided with service protocol stack in described Service Processing Unit, it is responsible for the SSM output information of each port of computing service dish.Described business logic processing unit is responsible for the SSM of each for this business dish port to input information reporting to master control logic processing unit, and described ESMC message is sent to each port.
Shown in Figure 2, also comprise communication unit between main control unit for subsequent use and dish, described main control unit for subsequent use is the redundancy unit of main control unit, copies the data of main control unit and backs up.Between described dish, communication unit is used for the transmission of load data between main control unit and main control unit for subsequent use.For ensureing the network management configuration that main control unit and main control unit for subsequent use receive is consistent, each business dish state consistency of getting of main control unit and main control unit for subsequent use.
Shown in Figure 3, also comprise the order input terminal of peripheral hardware, client is configured by the time clock feature of order input terminal to native system, comprise whether enable SSM agreement, configuration etc. which Zhong Yuan enables SSM agreement, input source.The configuration information of order input terminal carries out changing and being separated by master control protocol stack, and the configuration needed for SSM agreement is sent to master control processing unit.Described order input terminal is the PC being provided with equipment webmastering software or order line inputting interface.
Based on the distributed SSM protocol processes method based on complex packet switching system of said system, comprise the following steps:
The SSM that step S1. each business logic processing unit obtains each port of this business dish inputs information.
Step S2. master control processing unit obtains the configuration information of user's input, by systems exchange unit, notifies that each business dish needs to report SSM to input the business dish numbering of information.
Respective SSM is inputted information reporting to master control logic processing unit by business logic processing unit by the business dish that the notified need of step S3. report SSM to input information.
Master control protocol stack is provided with in step S4. master control processing unit, in the configuration information that this master control protocol stack inputs user and master control logic processing unit, the SSM of each business dish inputs information and carries out SSM protocol processes, and in the configuration information that master control protocol stack input according to user and master control logic processing unit, the SSM of each business dish inputs the SSM value (the SSM value corresponding to the business dish be locked) that information calculates Current lock source (which business dish the locking source of equipment clock is come as) and Current lock source.The configuration information that result and user input is merged, is back to the Service Processing Unit of former business dish by systems exchange unit.
Service protocol stack is provided with in step S5. Service Processing Unit, the configuration information that this service protocol stack inputs according to the result received and user, calculate the SSM output information of each port, this SSM output information is packaged into ESMC message by Service Processing Unit, is sent to each port of business dish by business logic processing unit.The form of described ESMC message meets G.8264 agreement (Distribution of timing information through packet networks, ITU-T G.8264) requirement.
In the present invention, each business dish obtains the configuration information of main control unit transmission by systems exchange unit.Main control unit controls some or certain several specific business dish by this configuration information, by respective Logical processing unit, the SSM of each for this business dish port is inputted information reporting to main control unit.Main control unit is according to configuration information, and that enables SSM agreement selects source part.Select the high clock source of priority as system clock source by SSM agreement.After computing completes, the business dish selected and business dish port are passed through the Service Processing Unit of each business dish of communication notifications between dish by main control unit.The transmitting portion of the state that the comprehensive main control unit of each Service Processing Unit transmits and configuration operation SSM agreement, and the result generated is sent to each port of business dish by business logic processing unit.
The present invention is not limited to above-mentioned execution mode, and for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as within protection scope of the present invention.The content be not described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (9)
1. based on a distributed SSM protocol processing system for complex packet switching system, it is characterized in that: comprise main control unit, systems exchange unit and at least one business dish,
Systems exchange unit, is responsible for the communication between master control processing unit and Service Processing Unit;
Main control unit comprises master control processing unit and master control logic processing unit, the SSM that described master control logic processing unit is responsible for collecting each port of each business dish inputs information, the output data of master control processing unit are encapsulated, and is sent to each business logic processing unit; Described master control processing unit is responsible for the process that described SSM inputs information; And output data are sent to each Service Processing Unit;
Each business dish includes Service Processing Unit and business logic processing unit; Described Service Processing Unit is responsible for the SSM output information of each port of computing service dish, and is packaged into ESMC message, is sent to business logic processing unit; Described business logic processing unit is responsible for the SSM of each for this business dish port to input information reporting to master control logic processing unit, and described ESMC message is sent to each port.
2., as claimed in claim 1 based on the distributed SSM protocol processing system of complex packet switching system, it is characterized in that:
Be provided with master control protocol stack in described master control processing unit, it is responsible for the process that described SSM inputs information;
Be provided with service protocol stack in described Service Processing Unit, it is responsible for the SSM output information of each port of computing service dish.
3., as claimed in claim 1 based on the distributed SSM protocol processing system of complex packet switching system, it is characterized in that: also comprise main control unit for subsequent use, described main control unit for subsequent use is the redundancy unit of main control unit, copies the data of main control unit and backs up.
4. as claimed in claim 3 based on the distributed SSM protocol processing system of complex packet switching system, it is characterized in that: also comprise communication unit between dish, between described dish, communication unit is used for the transmission of load data between main control unit and main control unit for subsequent use.
5. as claimed in claim 1 based on the distributed SSM protocol processing system of complex packet switching system, it is characterized in that: the order input terminal also comprising peripheral hardware, client is configured by the time clock feature of order input terminal to native system, the configuration information of order input terminal carries out changing and being separated by master control protocol stack, and the configuration needed for SSM agreement is sent to master control processing unit.
6., as claimed in claim 5 based on the distributed SSM protocol processing system of complex packet switching system, it is characterized in that: described order input terminal is the PC being provided with equipment webmastering software or order line inputting interface.
7., based on the distributed SSM protocol processes method based on complex packet switching system of system described in claim 1, it is characterized in that, comprise the following steps:
The SSM that step S1. each business logic processing unit obtains each port of this business dish inputs information;
Step S2. master control processing unit obtains the configuration information of user's input, by systems exchange unit, notifies that each business dish needs to report SSM to input the business dish numbering of information;
Respective SSM is inputted information reporting to master control logic processing unit by business logic processing unit by the business dish that the notified need of step S3. report SSM to input information;
Master control protocol stack is provided with in step S4. master control processing unit, in the configuration information that this master control protocol stack inputs user and master control logic processing unit, the SSM of each business dish inputs information and carries out SSM protocol processes, and the configuration information that result and user input is merged, the Service Processing Unit of former business dish is back to by systems exchange unit;
Service protocol stack is provided with in step S5. Service Processing Unit, the configuration information that this service protocol stack inputs according to the result received and user, calculate the SSM output information of each port, this SSM output information is packaged into ESMC message by Service Processing Unit, is sent to each port of business dish by business logic processing unit.
8. as claimed in claim 7 based on the distributed SSM protocol processes method of complex packet switching system, it is characterized in that: in step S4, in the configuration information that master control protocol stack inputs according to user and master control logic processing unit, the SSM of each business dish inputs the SSM value that information calculates Current lock source and Current lock source.
9. as claimed in claim 7 based on the distributed SSM protocol processes method of complex packet switching system, it is characterized in that: in step S5, the form of described ESMC message meets G.8264 protocol requirement.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410487364.7A CN104270433B (en) | 2014-09-23 | 2014-09-23 | Distributed SSM protocol processing systems and method based on complicated packet switching system |
| MYPI2016704913A MY190055A (en) | 2014-09-23 | 2015-09-18 | Distributed ssm protocol processing system and method based on complex packet switching system |
| PCT/CN2015/089935 WO2016045539A1 (en) | 2014-09-23 | 2015-09-18 | Distributed ssm protocol processing system and method based on complex packet switching system |
| RU2016146784A RU2673404C2 (en) | 2014-09-23 | 2015-09-18 | System and method for processing distributed ssm protocols based on complex packet exchange system |
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| CN201410487364.7A CN104270433B (en) | 2014-09-23 | 2014-09-23 | Distributed SSM protocol processing systems and method based on complicated packet switching system |
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| CN104270433A true CN104270433A (en) | 2015-01-07 |
| CN104270433B CN104270433B (en) | 2017-11-07 |
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| Country | Link |
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| CN (1) | CN104270433B (en) |
| MY (1) | MY190055A (en) |
| RU (1) | RU2673404C2 (en) |
| WO (1) | WO2016045539A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016045539A1 (en) * | 2014-09-23 | 2016-03-31 | 烽火通信科技股份有限公司 | Distributed ssm protocol processing system and method based on complex packet switching system |
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| CN115861775B (en) * | 2022-12-08 | 2024-02-23 | 广州市双照电子科技有限公司 | Video analysis method and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043308A (en) * | 2006-03-24 | 2007-09-26 | 华为技术有限公司 | Method for protecting service broad level of SDH equipment and SDH equipment |
| EP2207286A1 (en) * | 2009-01-12 | 2010-07-14 | Alcatel Lucent | Method and apparatus for distributing a reference frequency in an heterogenous network |
| CN101895361A (en) * | 2010-07-12 | 2010-11-24 | 中兴通讯股份有限公司 | Method, system and clock board for transmitting synchronous status message |
| CN102158944A (en) * | 2010-02-11 | 2011-08-17 | 华为技术有限公司 | Sub-frame, network element equipment, and method for synchronizing sub-frame clock |
| CN102208958A (en) * | 2011-07-04 | 2011-10-05 | 瑞斯康达科技发展股份有限公司 | Clock synchronization method for synchronous Ethernets, as well as synchronous information sending/receiving method, device and apparatus |
| CN102237940A (en) * | 2010-05-04 | 2011-11-09 | 华为技术有限公司 | Method, system and device for transferring sync-status message (SSM) in passive optical network |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100373828C (en) * | 2002-11-21 | 2008-03-05 | 华为技术有限公司 | Method for testing clock reverse delay system of transmission equipment |
| CN1274117C (en) * | 2002-12-12 | 2006-09-06 | 华为技术有限公司 | Method of preventing formation of timing loop in synchronous network |
| PL2502372T3 (en) * | 2009-11-19 | 2018-01-31 | Ericsson Telefon Ab L M | Configuration of synchronisation network |
| CN104270433B (en) * | 2014-09-23 | 2017-11-07 | 烽火通信科技股份有限公司 | Distributed SSM protocol processing systems and method based on complicated packet switching system |
-
2014
- 2014-09-23 CN CN201410487364.7A patent/CN104270433B/en active Active
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2015
- 2015-09-18 MY MYPI2016704913A patent/MY190055A/en unknown
- 2015-09-18 RU RU2016146784A patent/RU2673404C2/en active
- 2015-09-18 WO PCT/CN2015/089935 patent/WO2016045539A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043308A (en) * | 2006-03-24 | 2007-09-26 | 华为技术有限公司 | Method for protecting service broad level of SDH equipment and SDH equipment |
| EP2207286A1 (en) * | 2009-01-12 | 2010-07-14 | Alcatel Lucent | Method and apparatus for distributing a reference frequency in an heterogenous network |
| CN102158944A (en) * | 2010-02-11 | 2011-08-17 | 华为技术有限公司 | Sub-frame, network element equipment, and method for synchronizing sub-frame clock |
| CN102237940A (en) * | 2010-05-04 | 2011-11-09 | 华为技术有限公司 | Method, system and device for transferring sync-status message (SSM) in passive optical network |
| CN101895361A (en) * | 2010-07-12 | 2010-11-24 | 中兴通讯股份有限公司 | Method, system and clock board for transmitting synchronous status message |
| CN102208958A (en) * | 2011-07-04 | 2011-10-05 | 瑞斯康达科技发展股份有限公司 | Clock synchronization method for synchronous Ethernets, as well as synchronous information sending/receiving method, device and apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016045539A1 (en) * | 2014-09-23 | 2016-03-31 | 烽火通信科技股份有限公司 | Distributed ssm protocol processing system and method based on complex packet switching system |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2016146784A (en) | 2018-10-24 |
| CN104270433B (en) | 2017-11-07 |
| MY190055A (en) | 2022-03-23 |
| RU2016146784A3 (en) | 2018-10-24 |
| RU2673404C2 (en) | 2018-11-26 |
| WO2016045539A1 (en) | 2016-03-31 |
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