CN105871467B - A kind of device of adaptive connection in optical network system and optical network system - Google Patents
A kind of device of adaptive connection in optical network system and optical network system Download PDFInfo
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- CN105871467B CN105871467B CN201510025462.3A CN201510025462A CN105871467B CN 105871467 B CN105871467 B CN 105871467B CN 201510025462 A CN201510025462 A CN 201510025462A CN 105871467 B CN105871467 B CN 105871467B
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Abstract
The invention provides a kind of device of the adaptive connection in optical network system and optical network system, the optical network system includes multiple looped networks and image intensifer being made up of optical transfer network OTN equipment, optical network system also includes the device of adaptive connection, and the device of adaptive connection includes：Multistage optical splitter, multiple photoswitches and multiple adjustable optical attenuators；Wherein, each grade of optical splitter connects an adjustable optical attenuator and a photoswitch；And first order optical splitter is connected with image intensifer, and the first order optical splitter is connected by the second level optical splitter of connected first photoswitch setting adjacent thereto；The connection corresponding with the light transmission looped network in optical network system of the adjustable optical attenuator of each grade of optical splitter connection, optical network system of the invention can make multiple looped networks share a photon frame, make full use of an image intensifer and optical demultiplexer.
Description
Technical field
The present invention relates to communication technical field, adaptively connecting in more particularly to a kind of optical network system and optical network system
The device connect.
Background technology
In existing network, optical transfer network (OTN, an Optical Transport Network) equipment can be accessed and come from
The line signal of different directions, there can be several paths using wavelength-division multiplex technique in each circuit.In order to ensure that circuit is believed
Number normally receive, line signal enter OTN equipment before can first pass through an image intensifer, to line signal carry out luminous power put
Greatly, to ensure that line signal is being normally received in reference optical power.In addition, in order to realize to individual channel in line signal just
Often processing, can be demultiplexed by amplified signal into a demultiplexer, and line signal is decomposed into path letter one by one
Number, enter back into OTN equipment and handled.
In existing optical-fiber network framework, positioned at the OTN equipment of the OTN equipment meeting Xia Gua lower floors on upper strata, the OTN equipment of lower floor
A looped network can be set up to be attached with upper strata OTN equipment, several OTN equipment are had on each looped network.To realize different rings
The scheduling of business between net, as shown in figure 1, the OTN equipment on upper strata can be the same as the ring for hanging several lower floors OTN equipment composition at present
Net.When each OTN looped networks are connected with upper strata OTN equipment, reception direction can all configure one and include image intensifer and Optical Demultiplexing
The photon frame of device, realizes the amplification to signal in this looped network and demultiplexing.Otherwise in sending direction, it is necessary to configure optical multiplexer
And image intensifer.
When upper strata OTN equipment successively accesses multiple OTN looped networks, it is necessary to which configuring multiple photon framves in computer room installs each ring
The image intensifer and optical demultiplexer of net, multiple photon framves can expend computer room space and power supply.Image intensifer on each looped network
A part of resource, such as the multiplexing demultiplexing device multiplex/demultiplex of 80 ripples are only applied only for optical demultiplexer
4~5 wavelength, an image intensifer that can amplify 80 ripples are only exaggerated 4~5 wavelength, and resource does not make full use of, and waste
It is more serious.
The content of the invention
The purpose of the embodiment of the present invention is in the adaptive connection in a kind of optical network system and optical network system is provided
Device, multiple looped networks can be made to share a photon frame, make full use of an image intensifer and optical demultiplexer.
In order to achieve the above object, the embodiment provides a kind of optical network system, the optical network system to include
Multiple looped networks and image intensifer being made up of optical transfer network OTN equipment, optical network system also include the device of adaptive connection,
The device of adaptive connection includes：Multistage optical splitter, multiple photoswitches and multiple adjustable optical attenuators；
Wherein, each grade of optical splitter connects an adjustable optical attenuator and a photoswitch；
And first order optical splitter is connected with image intensifer, and the first order optical splitter passes through connected first photoswitch
The second level optical splitter connection of setting adjacent thereto；
The connection corresponding with the light transmission looped network in optical network system of the adjustable optical attenuator of each grade of optical splitter connection.
Wherein, multiple photoswitches are communicated with a Network Management Equipment and connected, and the unlatching that each light opens the light is controlled by Network Management Equipment
And closing.
When wherein, in light transmission looped network access optical network system, the optical splitter that is connected with light transmission looped network and
The photoswitch closure of the previous stage optical splitter connection of the optical splitter and the adjustable optical attenuator increasing being connected with the previous stage optical splitter
Big decay.
Wherein, image intensifer is also connected with an optical demultiplexer.
Wherein, the optical transfer network on optical demultiplexer and upper strata connects.
Wherein, image intensifer is also connected with an optical multiplexer.
Wherein, optical multiplexer and the optical transfer network on upper strata connect.
Embodiments of the invention additionally provide a kind of device of the adaptive connection in optical network system, and the device includes：
Multistage optical splitter, multiple photoswitches and multiple adjustable optical attenuators；
Wherein, each grade of optical splitter connects an adjustable optical attenuator and a photoswitch；
And first order optical splitter is connected with image intensifer, and the first order optical splitter passes through connected first photoswitch
The second level optical splitter connection of setting adjacent thereto；
The connection corresponding with the light transmission looped network in optical network system of the adjustable optical attenuator of each grade of optical splitter connection.
Wherein, multiple photoswitches are communicated with a Network Management Equipment and connected, and the unlatching that each light opens the light is controlled by Network Management Equipment
And closing.
When wherein, in light transmission looped network access optical network system, the optical splitter that is connected with light transmission looped network and
The photoswitch closure of the previous stage optical splitter connection of the optical splitter and the adjustable optical attenuator increasing being connected with the previous stage optical splitter
Big decay.
The such scheme of the present invention comprises at least following beneficial effect：
, can when needing to increase a looped network newly in optical network system in the optical network system of embodiments of the invention
So that the looped network is linked into optical network system by the device of adaptive connection, so neither influence existing in optical network system
The business opened, moreover it is possible to solve the problems, such as that photon frame excessively wastes computer room space, the energy, realize that multiple looped networks can connect automatically
It is connected in amplifier, shares a photon frame, make full use of an image intensifer and optical demultiplexer.
Brief description of the drawings
Fig. 1 is the networking schematic diagram of optical network system in the prior art；
Fig. 2 is the networking schematic diagram of optical network system in the embodiment of the present invention；
Fig. 3 is the structural representation of the device of the adaptive connection in optical network system in the embodiment of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
Embodiments of the invention utilize the problem of insufficient for image intensifer in the prior art and optical demultiplexer, there is provided
The device of adaptive connection in a kind of optical network system and optical network system, can make multiple looped networks share a photon frame,
Make full use of an image intensifer and optical demultiplexer.
As shown in Fig. 2 the embodiment provides a kind of optical network system, the optical network system includes multiple by light
The looped network and image intensifer of transmission net OTN equipment composition, optical network system also include the device of adaptive connection, adaptively connected
The device connect includes：Multistage optical splitter, multiple photoswitches and multiple adjustable optical attenuators；Wherein, each grade of optical splitter connection one
Individual adjustable optical attenuator and a photoswitch；And first order optical splitter is connected with image intensifer, and the first order optical splitter passes through
The second level optical splitter connection of connected first photoswitch setting adjacent thereto；The adjustable light decay of each grade of optical splitter connection
Subtract device connection corresponding with the light transmission looped network in optical network system.
In a particular embodiment of the present invention, multiple looped networks being made up of OTN equipment, i.e., multiple lower floor OTN looped networks pass through
The device of adaptive connection is connected with the image intensifer in optical network system, so as to access optical network system.Realize multiple lower floors
Shared one of OTN looped networks are used to install image intensifer and the photon frame of optical demultiplexer, make full use of an image intensifer and light
Demultiplexer.
In a particular embodiment of the present invention, when optical network system is in original state, as shown in Figure 3 adaptively connects
Multiple photoswitches (such as 1., 2. and 3.) of the device connect are all in off-state, multiple adjustable optical attenuators (such as V1, V2
And V3) all in original state, that is, Zhi Xia Gua Liaoyige lower floors OTN looped networks in whole optical network system.
Wherein, in the above embodiment of the present invention, connect as shown in figure 3, multiple photoswitches communicate with a Network Management Equipment
Connect, the opening and closing that each light opens the light are controlled by Network Management Equipment.When in a light transmission looped network access optical network system, with
The light transmission looped network connection optical splitter and the optical splitter previous stage optical splitter connection photoswitch closure and it is previous with this
The adjustable optical attenuator increase decay of level optical splitter connection.
In a particular embodiment of the present invention, with optical network system lower floor OTN looped network quantity increase, image intensifer
Can adjust automatically Output optical power with adapt to looped network access increasing for quantity and cause the lifting of power budget.Specifically, when need
When increasing lower floor's OTN looped network newly in optical network system, Network Management Equipment can control to be connected with newly-increased lower floor's OTN looped networks
Optical splitter and the optical splitter the connection of previous stage optical splitter photoswitch closure, while can also control the previous stage optical splitter
The adjustable optical attenuator increase decay of connection.Illustrate below by taking a specific example as an example, such as need in initial shape
When increasing by second lower floor's OTN looped network in the optical network system under state, Network Management Equipment can control photoswitch 1. to close, adjustable light decay
Subtract the corresponding decay of device V1 increases, meanwhile, image intensifer can also adjust Output optical power so that standing state Xia Liangge lower floor OTN
Looped network is linked into image intensifer with the same luminous power.Similar, when needing to access the 3rd lower floor's OTN looped network, webmaster
Equipment can control photoswitch 2. to close, adjustable optical attenuator V1 is further added by corresponding decay and adjustable optical attenuator V2 accordingly increases
Add decay, while image intensifer adjusts Output optical power so that the lower three lower floors OTN looped networks of standing state are with the same luminous power
It is linked into image intensifer.The rest may be inferred, and when 3. photoswitch closes, adjustable optical attenuator V1, V2 and V3 increase are corresponding to decay,
Image intensifer can be to realize that the lower four lower floors OTN looped networks of standing state are accessed with the same luminous power when adjusting Output optical power
Into image intensifer.By parity of reasoning, and the closure for controlling photoswitch by gateway device can access more lower floor OTN looped networks,
And the existing business opened is not interfered with while accessing more lower floor OTN looped networks online.
In a particular embodiment of the present invention, when needing to break lower floor's OTN looped network from optical network system, lead to
Photoswitch corresponding to crossing gateway device control disconnects, and adjustable optical attenuator resets, while image intensifer adjustment Output optical power is
Can.
Wherein, in the above embodiment of the present invention, image intensifer is also connected with an optical demultiplexer, optical demultiplexer with it is upper
The optical transfer network connection of layer.
Wherein, in the above embodiment of the present invention, image intensifer is also connected with an optical multiplexer.Optical multiplexer and upper strata
Optical transfer network connects.
In a particular embodiment of the present invention, as shown in Fig. 2 in the optical network system of the embodiment of the present invention, on upper strata
Optical transfer network recipient it is upward, be connected with adaptive connection in turn between lower floor's OTN looped networks and the optical transfer network on upper strata
Device, image intensifer and optical demultiplexer；On the sending direction of the optical transfer network on upper strata, the optical transfer network on upper strata and lower floor
It is connected with the device of optical multiplexer, image intensifer and adaptive connection between OTN looped networks in turn.So so that whole optical-fiber network
One photon frame of system configuration, solves the problems, such as that photon frame excessively wastes computer room space, the energy.
As shown in figure 3, embodiments of the invention additionally provide a kind of device of the adaptive connection in optical network system, should
Device includes：Multistage optical splitter, multiple photoswitches and multiple adjustable optical attenuators；
Wherein, each grade of optical splitter connects an adjustable optical attenuator and a photoswitch；
And first order optical splitter is connected with image intensifer, and the first order optical splitter passes through connected first photoswitch
The second level optical splitter connection of setting adjacent thereto；
The connection corresponding with the light transmission looped network in optical network system of the adjustable optical attenuator of each grade of optical splitter connection.
Wherein, multiple photoswitches are communicated with a Network Management Equipment and connected, and the unlatching that each light opens the light is controlled by Network Management Equipment
And closing.
When wherein, in light transmission looped network access optical network system, the optical splitter that is connected with light transmission looped network and
The photoswitch closure of the previous stage optical splitter connection of the optical splitter and the adjustable optical attenuator increasing being connected with the previous stage optical splitter
Big decay.
It should be noted that the device of the adaptive connection in optical network system provided in an embodiment of the present invention is to be applied to
The device of above-mentioned optical network system, i.e., all embodiments of above-mentioned optical network system are applied to the device, and can reach phase
Same or similar beneficial effect.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of optical network system, including multiple looped networks and image intensifer being made up of optical transfer network OTN equipment, its feature exist
In the optical network system also includes the device of adaptive connection, and the device of the adaptive connection includes：Multistage optical splitter,
Multiple photoswitches and multiple adjustable optical attenuators；
Wherein, each grade of optical splitter connects an adjustable optical attenuator and a photoswitch；
And first order optical splitter is connected with the image intensifer, and the first order optical splitter passes through connected first photoswitch
The second level optical splitter connection of setting adjacent thereto；
The connection corresponding with the light transmission looped network in optical network system of the adjustable optical attenuator of each grade of optical splitter connection.
2. optical network system according to claim 1, it is characterised in that the multiple photoswitch leads to a Network Management Equipment
News connection, the opening and closing opened the light by each light of Network Management Equipment control.
3. optical network system according to claim 2, it is characterised in that in a light transmission looped network access optical network system
When, closed with the photoswitch of the previous stage optical splitter connection of the light optical splitter that be connected of transmission looped network and the optical splitter and with this
The adjustable optical attenuator increase decay of previous stage optical splitter connection.
4. optical network system according to claim 1, it is characterised in that the image intensifer is also connected with an Optical Demultiplexing
Device.
5. optical network system according to claim 4, it is characterised in that the optical transfer network on the optical demultiplexer and upper strata
Connection.
6. optical network system according to claim 1, it is characterised in that the image intensifer is also connected with an optical multiplexer.
7. optical network system according to claim 6, it is characterised in that the optical multiplexer and the optical transfer network on upper strata connect
Connect.
A kind of 8. device of the adaptive connection in optical network system, it is characterised in that including：Multistage optical splitter, multiple light are opened
Close and multiple adjustable optical attenuators；
Wherein, each grade of optical splitter connects an adjustable optical attenuator and a photoswitch；
And first order optical splitter is connected with image intensifer, and the first order optical splitter passes through connected first photoswitch and its
The second level optical splitter connection being disposed adjacent；
The connection corresponding with the light transmission looped network in optical network system of the adjustable optical attenuator of each grade of optical splitter connection.
9. device according to claim 8, it is characterised in that the multiple photoswitch communicates with a Network Management Equipment to be connected
Connect, the opening and closing opened the light by each light of Network Management Equipment control.
10. device according to claim 9, it is characterised in that when in a light transmission looped network access optical network system, with
The light transmission looped network connection optical splitter and the optical splitter previous stage optical splitter connection photoswitch closure and it is previous with this
The adjustable optical attenuator increase decay of level optical splitter connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510025462.3A CN105871467B (en) | 2015-01-19 | 2015-01-19 | A kind of device of adaptive connection in optical network system and optical network system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510025462.3A CN105871467B (en) | 2015-01-19 | 2015-01-19 | A kind of device of adaptive connection in optical network system and optical network system |
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| CN105871467A CN105871467A (en) | 2016-08-17 |
| CN105871467B true CN105871467B (en) | 2018-03-23 |
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| WO2008125060A1 (en) * | 2007-04-17 | 2008-10-23 | Huawei Technologies Co., Ltd. | A method for transporting the client signal in the optical transport network and an equipment thereof |
| CN101924648A (en) * | 2010-07-22 | 2010-12-22 | 中兴通讯股份有限公司 | Adaptive method and adaptive device of service veneer |
| CN102413391A (en) * | 2011-12-28 | 2012-04-11 | 烽火通信科技股份有限公司 | Method and device for realizing grouping and joint self-routing of OTN (Optical Transport Network) signal |
| CN104009791A (en) * | 2014-05-19 | 2014-08-27 | 上海交通大学 | Cross protection system based on resource shearing among passive optical networks |
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2015
- 2015-01-19 CN CN201510025462.3A patent/CN105871467B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1773957A (en) * | 2004-09-16 | 2006-05-17 | 因特莱科迪克控股有限公司 | Apparatus for interconnecting multiple devices to a synchronous device |
| CN1791010A (en) * | 2004-12-14 | 2006-06-21 | 华为技术有限公司 | Method for realizing OTN apparatus self-adaptation |
| WO2008125060A1 (en) * | 2007-04-17 | 2008-10-23 | Huawei Technologies Co., Ltd. | A method for transporting the client signal in the optical transport network and an equipment thereof |
| CN101924648A (en) * | 2010-07-22 | 2010-12-22 | 中兴通讯股份有限公司 | Adaptive method and adaptive device of service veneer |
| CN102413391A (en) * | 2011-12-28 | 2012-04-11 | 烽火通信科技股份有限公司 | Method and device for realizing grouping and joint self-routing of OTN (Optical Transport Network) signal |
| CN104009791A (en) * | 2014-05-19 | 2014-08-27 | 上海交通大学 | Cross protection system based on resource shearing among passive optical networks |
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| CN105871467A (en) | 2016-08-17 |
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