CN107124242A - A kind of MSAP access multiservice platforms - Google Patents
A kind of MSAP access multiservice platforms Download PDFInfo
- Publication number
- CN107124242A CN107124242A CN201710344839.0A CN201710344839A CN107124242A CN 107124242 A CN107124242 A CN 107124242A CN 201710344839 A CN201710344839 A CN 201710344839A CN 107124242 A CN107124242 A CN 107124242A
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- CN
- China
- Prior art keywords
- main control
- clock
- control unit
- clock source
- msap
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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
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
- H04J3/0688—Change of the master or reference, e.g. take-over or failure of the master
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
This patent is related to a kind of MSAP access multiservice platforms, thrown the net pipe dish, backboard and multiple business disks including two main control units, one, the main control unit includes the optical interface and multiple clock sources more than all the way, the optical interface provides optical port clock source to main control unit, the optical port clock source accesses another main control unit by backboard, and two main control units pass through multiple business disks of backboard UNICOM；The one in two main control units is judged as main main control unit, selects a clock source in main main control unit to be output on two main control units and multiple business disks according still further to clock switch logic.Selection output is carried out between multiple clock sources by clock switch logic, multiple clock sources on main main control unit is fully used, is smoothly accessed beneficial to business, platform reliability is improved；In addition, the business on two main control units can backup each other and also can be used alone, flexibility is good.
Description
Technical field
This patent is related to data communications security field, and in particular to a kind of MSAP access multiservice platforms.
Background technology
Access multiservice platform（Muti-Services Access Platform）Using traditional SDH technologies, with SDH
Based on technology, using advanced GFP, VCAT and LCAS technology, fusion ethernet switch technology and ATM switching technologies are realized
The comprehensive transmission of TDM business, Ethernet service and ATM business, in addition MSAP the Nx64k special lines of low rate can also be provided, with
Too net extension business（EoXDSL）Deng.In MSAP equipment, to improve system reliability, the master of symmetrical structure is taken in equipment timing
Standby design.Generally equipment timing can be provided by two first line of a couplet interface boards, each other to be primary and backup, work as active clock
When going wrong, system switches to standby clock in time, it is ensured that business proper communication, but can only realize cutting between two clocks
Change, be unfavorable for insersion business information.
The content of the invention
In order to overcome the defect of prior art, this patent provides a kind of MSAP access multiservice platforms, realizes multiple clocks
Selection, protection service security access, good reliability are switched between source.
For above-mentioned technical problem, this patent is so solved：A kind of MSAP access multiservice platforms, including two
Main control unit, one throw the net pipe dish, backboard and multiple business disks, and the main control unit includes the optical interface and multiple clocks more than all the way
Source, the optical interface provides optical port clock source to main control unit, and the optical port clock source accesses another main control unit, two by backboard
Open main control unit and pass through multiple business disks of backboard UNICOM；Judge the one in two main control units as main main control unit, according still further to when
Clock switch logic selects a clock source in main main control unit to be output on two main control units and multiple business disks.
Selection output, the clock with standby usage in the prior art are carried out between multiple clock sources by clock switch logic
Switching output is compared, and this patent can allow hand over multiple clock sources on main main control unit to use, without frequently two
The enterprising row clock switching of main control unit is opened, is smoothly accessed beneficial to business, improves platform reliability；In addition, the industry on two main control units
Business can backup each other, i.e., one is primary main control unit, and another is standby main control unit, and stability is good, also can be used alone, flexibly
Property is good；When backuping each other, total bandwidth is half when independently using, and the business of wherein one main control unit is when alerting,
Service switching improves platform stabilization on other one；Independently in use, two kinds of main control units can be respectively connected to business, realize
Maximum full bandwidth, operational efficiency is high.
Further, the main control unit also includes clock selector, and multiple clock sources are by setting in clock selector
Clock switch logic, selection one is exported.
Further, in addition to phaselocked loop, selected according to clock switch logic after a clock source in main main control unit,
It is output to by phaselocked loop on two main control units and multiple business disks.
Further, in addition to timepiece drive module, when selecting one in main main control unit according to clock switch logic
The clock source, is distributed on each business disk by Zhong Yuanhou by timepiece drive module.
Further, the main control unit includes two-way optical interface.
Further, include in the multiple clock source free oscillation source, business disk clock source, the first external clock source and
Second external clock source.
Further, the clock switch logic includes manually selecting and automatically selecting both of which：
Under manual selection modes, one of output is selected from multiple clock sources according to advance setting；
Automatically select under pattern, according to the priority of the alarm status of each clock source and each default clock source, select it
In one as output.
Further, the multiple clock source includes more than two optical port clock sources, more than one free oscillation
Source and more than one external clock source.
Further, the priority of the multiple clock source is arranged as in descending order：Optical port clock source, external clock source and freedom
Oscillation source.
Compared to prior art, this patent has the beneficial effect that：Selected by the switching of multiple clock sources in main main control unit
Select, the effectively reliable clock source of output, stability is good；Business on two main control units can backup each other, i.e., one is primary master
Manipulate stock quotations, another is standby main control unit, and stability is good, also can be used alone, flexibility is good.
Brief description of the drawings
Fig. 1 is the structural representation of this patent.
Fig. 2 is the schematic block diagram of this patent clock signal transmission.
Embodiment
This patent is described in detail with specific embodiment below in conjunction with the accompanying drawings.
A kind of MSAP access multiservice platforms as illustrated in fig. 1 and 2, including two main control units 1, one are thrown the net pipe dish, backboard
And 12 business disks, the main control unit 1 include two-way STM-1/STM-4 optical interfaces, 8 clock sources and with 8 clock source electricity
The clock selector of connection, is responsible for selection and the SDH service accesses of system clock, and two-way optical interface is provided to main control unit 1 respectively
Optical port clock source CLK2 and optical port clock source CLK3, optical port clock source CLK2 and optical port the clock source CLK3 are accessed by backboard
Also include in another main control unit, therefore 8 clock sources on main control unit 1 another main control unit 1 optical port clock source CLK4 and
Optical port clock source CLK5, two main control units pass through multiple business disks of backboard UNICOM, it is ensured that wherein one main control unit 1 breaks down
When can also be switched to another main control unit 1 and be operated, protect each other, stability is good, can also two main control units 1 connect respectively
Enter business, realize maximum full bandwidth, improve operational efficiency.
The webmaster disk realizes the management to all boards of MSAP access multiservice platforms, and business disk is used for will be from SDH
The business landing accessed is there is provided Ethernet, E1, the interface such as V35.
The clock for selecting the one in 8 clock sources to export clock as SDH is built-in with the clock selector
Select logic.
This patent also includes phaselocked loop and timepiece drive module, and two main control units 1 export SDH output clocks respectively, by it
In a main control unit 1 be determined as after main main control unit that phaselocked loop exports the SDH output clocks of main main control unit, clock driving mould
The clock that block is used to export phaselocked loop is distributed to each business disk.
Also include free oscillation source CLK1, business disk clock source CLK6, the first external clock source in 8 clock sources
CLK7 and the second external clock source CLK8.
The operation principle of this patent is as follows：
S1：One in 8 clock sources, which is selected, as SDH according to clock switch logic in the clock selector exports clock,
Realize the switching of multiple clock sources, it is ensured that business is normally accessed, good reliability, clock switch logic is including manually selecting and automatically
Select both of which；
Under manual selection modes, one of output is selected from multiple clock sources according to advance setting；
Automatically select under pattern, according to the priority of the alarm status of each clock source and each default clock source, select it
In one as output；
The descending of the priority of the multiple clock source is arranged as：
1st, optical port clock source CLK2, optical port clock source CLK3, optical port clock source CLK4, optical port clock source CLK5；
2nd, the first external clock source CLK7 and the second external clock source CLK8；
3rd, free oscillation source；
S2：Two SDH output clocks are obtained from two main control units 1, wherein one main control unit 1 of logic decision is selected according to ownership
For main main control unit, the SDH output clocks of main main control unit are output to two main control units by phaselocked loop and clock drives mould
Block；
S3：The clock signal received is distributed on each business disk by timepiece drive module.
Compared with the clock switching output of standby usage in the prior art, when this patent can make multiple on main main control unit
Zhong Yuan is able to switching and used, and without frequently being switched between two main control units, is smoothly accessed beneficial to business, improves platform
Reliability；In addition, two main control units 1 can be used alone, business is respectively connected to, maximum full bandwidth is realized, operational efficiency is high,
Can also one be primary main control unit, another is standby main control unit, when backuping each other, and total bandwidth is one when independently using
Half, changeable between primary main control unit and standby main control unit to use, stability is good.
Claims (9)
1. a kind of MSAP access multiservice platforms, including two main control units, one throw the net pipe dish, backboard and multiple business disks, it is special
Levy and be, the main control unit includes the optical interface and multiple clock sources more than all the way, the optical interface provides optical port to main control unit
Clock source, the optical port clock source accesses another main control unit by backboard, and two main control units electrically connect multiple by backboard
Business disk；The one in two main control units is judged as main main control unit, is selected according still further to clock switch logic in main main control unit
A clock source be output on two main control units and multiple business disks.
2. a kind of MSAP access multiservice platforms according to claim 1, it is characterised in that when the main control unit also includes
Clock selector, multiple clock sources are exported by the interior clock switch logic set in clock selector, selection one.
3. a kind of MSAP access multiservice platforms according to claim 1, it is characterised in that also including phaselocked loop, according to
Clock switch logic is selected after a clock source in main main control unit, and two main control units and multiple industry are output to by phaselocked loop
It is engaged on disk.
4. a kind of MSAP access multiservice platforms according to claim 1, it is characterised in that also drive mould including clock
Block, is selected according to clock switch logic after a clock source in main main control unit, by timepiece drive module by the clock source
It is distributed on each business disk.
5. a kind of MSAP access multiservice platforms according to any one of Claims 1-4, it is characterised in that the master control
Disk includes two-way optical interface.
6. a kind of MSAP access multiservice platforms according to any one of claim 5, it is characterised in that the multiple clock
Source includes free oscillation source, business disk clock source, the first external clock source and the second external clock source.
7. a kind of MSAP access multiservice platforms according to any one of Claims 1-4, it is characterised in that the clock
Switch logic includes manually selecting and automatically selecting both of which：
Under manual selection modes, one of output is selected from multiple clock sources according to advance setting；
Automatically select under pattern, according to the priority of the alarm status of each clock source and each default clock source, select it
In one as output.
8. a kind of MSAP access multiservice platforms according to any one of Claims 1-4, it is characterised in that the multiple
Clock source includes more than two optical port clock sources, more than one free oscillation source and more than one external clock source.
9. a kind of MSAP access multiservice platforms according to claim 8, it is characterised in that the multiple clock source it is excellent
First level is arranged as in descending order：Optical port clock source, external clock source and free oscillation source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344839.0A CN107124242A (en) | 2017-05-16 | 2017-05-16 | A kind of MSAP access multiservice platforms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344839.0A CN107124242A (en) | 2017-05-16 | 2017-05-16 | A kind of MSAP access multiservice platforms |
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| Publication Number | Publication Date |
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| CN107124242A true CN107124242A (en) | 2017-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710344839.0A Pending CN107124242A (en) | 2017-05-16 | 2017-05-16 | A kind of MSAP access multiservice platforms |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108882065A (en) * | 2018-04-03 | 2018-11-23 | 烽火通信科技股份有限公司 | The system and method for card insert type MSAN equipment realization IPOA |
| CN109962733A (en) * | 2019-03-28 | 2019-07-02 | 烽火通信科技股份有限公司 | It is a kind of alert after restore network timing method and system |
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| CN101741539A (en) * | 2008-11-14 | 2010-06-16 | 中兴通讯股份有限公司 | Method and system for implementing synchronous Ethernet based on clock recovery and public reference sources |
| CN102045124A (en) * | 2010-12-06 | 2011-05-04 | 神州数码网络(北京)有限公司 | Rack-mount synchronous Ethernet architecture and clock synchronization control method |
| CN102497245A (en) * | 2011-12-19 | 2012-06-13 | 杭州华三通信技术有限公司 | Clock synchronization method and clock management interface board |
| CN206658207U (en) * | 2017-05-16 | 2017-11-21 | 广东九博科技股份有限公司 | A kind of MSAP access multiservice platforms |
-
2017
- 2017-05-16 CN CN201710344839.0A patent/CN107124242A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741539A (en) * | 2008-11-14 | 2010-06-16 | 中兴通讯股份有限公司 | Method and system for implementing synchronous Ethernet based on clock recovery and public reference sources |
| CN102045124A (en) * | 2010-12-06 | 2011-05-04 | 神州数码网络(北京)有限公司 | Rack-mount synchronous Ethernet architecture and clock synchronization control method |
| CN102497245A (en) * | 2011-12-19 | 2012-06-13 | 杭州华三通信技术有限公司 | Clock synchronization method and clock management interface board |
| CN206658207U (en) * | 2017-05-16 | 2017-11-21 | 广东九博科技股份有限公司 | A kind of MSAP access multiservice platforms |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108882065A (en) * | 2018-04-03 | 2018-11-23 | 烽火通信科技股份有限公司 | The system and method for card insert type MSAN equipment realization IPOA |
| CN108882065B (en) * | 2018-04-03 | 2020-11-13 | 烽火通信科技股份有限公司 | System and method for realizing IPOA by card-inserted MSAN equipment |
| CN109962733A (en) * | 2019-03-28 | 2019-07-02 | 烽火通信科技股份有限公司 | It is a kind of alert after restore network timing method and system |
| CN109962733B (en) * | 2019-03-28 | 2020-10-16 | 烽火通信科技股份有限公司 | Method and system for recovering network synchronization signal after alarm |
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Application publication date: 20170901 |
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