CN104883320B - A kind of apparatus and method based on the lossless adjustment of OTN Packet Service - Google Patents
A kind of apparatus and method based on the lossless adjustment of OTN Packet Service Download PDFInfo
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- CN104883320B CN104883320B CN201510316300.5A CN201510316300A CN104883320B CN 104883320 B CN104883320 B CN 104883320B CN 201510316300 A CN201510316300 A CN 201510316300A CN 104883320 B CN104883320 B CN 104883320B
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Abstract
A kind of apparatus and method based on the lossless adjustment of OTN Packet Service are related to technical field of optical network communication, and network management processing module, for giving according to the adjustment service traffics order received, flow increases module or flow reduces resume module；Flow increases module, establishes ODUK pipeline to each node for distributing remaining ODUK pipeline resource, or newly establish ODUK pipeline in each node；Flow reduces module, for needing reduced ODUK pipeline for the distribution of each node, and determines to discharge reduced ODUK pipeline；Packet handing module, for being added or removing LAG member's group for ODUK pipeline；Framing chip, for completing the increase and release of ODUK pipeline.It avoids adjustment from losing, any ODUK pipeline of any OTUK of any wavelength is adjusted in node switching system, improve flexibility, avoid using limited.
Description
Technical field
The present invention relates to technical field of optical network communication, are specifically a kind of based on the lossless adjustment of OTN Packet Service
Apparatus and method.
Background technique
The optic communication business of traditional OTN (Optical Transport Network, optical transfer network) carrying, either unites
The packet switching service (PSS) of multiplexing or the TDM service of circuit switching are counted, in the ODUK (Optical for being carried to OTN
Channel data unit, Optical Channel Data Unit-k) pipeline when, all receive the limitation of ODUK pipeline flow itself.Current
Network in, due to the extensive utilization of the packet switching service (PSS) of statistic multiplexing, the flow of business can expand with the growth of time
Greatly, thus ODUK pipeline is also possible to increase.
But in existing chip technology, the framing chip for establishing ODUK pipeline can not arbitrarily adjust the big of ODUK pipeline
Small, the adjustment of general this duct size requires to realize by way of deleting the business of building, at this time the time one of service disconnection
As all can not be able to satisfy carrier-class transmission demand at 1 second or so, exist adjustment loss.In addition to this, even if in standard
ODUK framing chip accomplishes lossless adjustment, but the framing chip is expensive, and can only be in the big pipeline of an OTUK
Its ODUK pipeline for including is adjusted, any ODUK pipeline between any OTUK cannot be handled, flexibility is poor, using being limited
System.
Summary of the invention
In view of the deficiencies in the prior art, it is lossless based on OTN Packet Service that the purpose of the present invention is to provide one kind
The apparatus and method of adjustment avoid adjustment from losing, any of any OTUK of any wavelength are adjusted in node switching system
ODUK pipeline improves flexibility, avoids using limited.
To achieve the above objectives, the present invention takes a kind of device based on the lossless adjustment of OTN Packet Service, comprising: network management
Processing module, for giving according to the adjustment service traffics order received, flow increases module or flow reduces resume module；
Flow increases module, establishes ODUK pipeline to each node for distributing remaining ODUK pipeline resource, or new in each node
Establish ODUK pipeline；Flow reduces module, for needing reduced ODUK pipeline for the distribution of each node, and determines that release is reduced
ODUK pipeline；Packet handing module, for being added or removing LAG member's group for ODUK pipeline；Framing chip, for completing ODUK
The increase and release of pipeline；The Packet Service is the business for carrying out data exchange for BTU Basic Transmission Unit with elongated packet, including
Ethernet and MPLS.
Based on the above technical solution, the judgement of network management processing module receives the order of adjustment service traffics, if increasing
Add service traffics, distributes to flow and increase resume module；If service traffics are reduced, distributes to flow and reduce resume module.
Based on the above technical solution, flow increases whether also module calculates all routing nodes of business process
Remaining ODUK pipeline resource, if so, traffic assignments are established ODUK pipeline to each node, if it is not, managing without remaining ODUK
It is prompted on the node in road, and offer can alternatively delete business.
Based on the above technical solution, after prompting on the node without remaining ODUK pipeline, framing chip is each
Node establishes ODUK pipeline, and ODUK pipeline is added to LAG member's group by packet handing module.
Based on the above technical solution, the ODUK pipeline is added or removes the action command of LAG member's group, logical
Cross the overhead byte transmitting of OTN.
Based on the above technical solution, the overhead byte of OTN is same level ODUK layers or different levels
ODUK layer.
The present invention also provides a kind of method based on the lossless adjustment of OTN Packet Service, Packet Service is with elongated packet for base
This transmission unit carries out the business of data exchange, including Ethernet, MPLS；The method includes the steps:
S1. when network management processing module receives adjustment service traffics order, judgement is the increase or reduction of service traffics, if
It is to increase, into S2；If reducing, into S6；
S2. flow increases all routing nodes that module calculates business process to be adjusted, judges whether that each node has
Enough unused ODUK pipelines, if it is not, into S3, if so, into S4；
S3. flow increases module and the ODUK pipeline occupied without the node that ODUK pipeline is not used enough is set out,
Delete the ODUK pipeline business occupied；
S4. flow increase module distributes the channel ODUK to each node, and passes through framing chip and establish the empty channel ODUK；
S5. packet handing module by newly-established ODUK pipeline and needs the ODUK pipeline of dilatation to be added in LAG member's group, knot
Beam；
S6. it is that the distribution of each node needs reduced ODUK pipeline that flow, which reduces module, and packet handing module is by reduction
ODUK pipeline removes LAG member's group, and framing chip discharges reduced ODUK pipeline, terminates.
Based on the above technical solution, ODUK pipeline is added or removes the order of LAG member's group, passes through opening for OTN
Byte is sold to transmit.
Based on the above technical solution, the overhead byte of OTN is same level ODUK layers or different levels
ODUK layer.
The beneficial effects of the present invention are: the lossless adjustment for avoiding carrying out ODUK pipeline in framing chip, but wrapping
It can solve existing industry using the increase and deletion that LAG member organizes in processing module to realize the lossless adjustment of ODUK pipeline
Business dilatation demand, reduces the cost of framing chip.In addition to this, a wave can only be adjusted with traditional lossless adjustment mode of OTN
ODUK pipeline in a long big pipeline of OTUK is compared, and the present invention can arbitrarily adjust any in a node switching system
Any pipeline in the big pipeline of any OTUK of wavelength, there is great flexibility.It can be right in wavelength, wavelet length grade
ODUK pipeline time slot is redistributed, integrated and is recycled, applied widely.
Detailed description of the invention
Fig. 1 is schematic device of the embodiment of the present invention based on the lossless adjustment of OTN Packet Service；
Fig. 2 is method flow diagram of the embodiment of the present invention based on the lossless adjustment of OTN Packet Service.
Appended drawing reference:
1- network management processing module, 2- flow increase module, and 3- flow reduces module, 4- packet handing module, 5- framing chip.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
As shown in Figure 1, device of the embodiment of the present invention based on the lossless adjustment of OTN Packet Service, including network management processing module
1, flow increases module 2, flow reduces module 3, packet handing module 4 and framing chip 5, network management processing module 1 and is separately connected stream
Amount increase module 2, flow reduce module 3, packet handing module 4 be separately connected flow increase module 2, flow reduce module 3 and at
Frame chip 5.
Network management processing module 1 is used to give flow according to the adjustment service traffics order received and increase module 2 or flow
It reduces module 3 to handle, specifically, distributing to flow if service traffics are increased and increasing the processing of module 2；If reduction Business Stream
Amount distributes to flow and reduces the processing of module 3.
Flow increases module 2, and for calculating all routing nodes that a business to be adjusted is passed through, whether there are also remaining
ODUK pipeline resource establishes ODUK pipeline to each node for distributing remaining ODUK pipeline resource, or new in each node
Establish ODUK pipeline；Specifically, whether there are also remaining ODUK pipeline resources for all routing nodes of the business of calculating process, if
It is that traffic assignments are established into ODUK pipeline to each node, if it is not, being prompted on the node without remaining ODUK pipeline, and are provided
Business can alternatively be deleted.
Flow reduces module, for needing reduced ODUK pipeline for the distribution of each node, and determines that release needs to reduce
ODUK pipeline.
Packet handing module, for being added or removing LAG member's group for ODUK pipeline, ODUK pipeline be added or remove LAG at
The action command of member's group, is transmitted by the overhead byte of OTN, it should be noted that these overhead bytes can be reserved word
Section or other bytes, to ensure the synchronism acted between each node, to meet the carrier-class Signal Fail time.
The overhead byte of OTN can be same level ODUK layers or different levels ODUK layers.
Framing chip, for completing the increase and release of ODUK pipeline.
As shown in Fig. 2, specifically including step the present invention is based on the method for the lossless adjustment of OTN Packet Service:
S1. when network management processing module 1 receives adjustment service traffics order, judgement is the increase or reduction of service traffics,
If increasing, into S2；If reducing, into S6；Meanwhile and finding all routing nodes that this business is passed through.
S2. flow increases all routing nodes that module 2 calculates this business process to be adjusted, judges whether each node
There are enough unused ODUK pipelines, if so, into S4, if it is not, into S3.
S3. illustrate that at least partly node does not have remaining unused ODUK pipeline to carry out dilatation, then flow increases module 2
This information is fed back into network management processing unit 1, and the ODUK that will have been occupied without the node that ODUK pipeline is not used enough is managed
Road is set out, and the ODUK pipeline business occupied is deleted, into S4.
S4. each node has remaining ODUK pipeline to be used to carry out dilatation, then flow increases module 2 and distributes to each node
The channel ODUK, and the empty channel ODUK is established by framing chip 5, there is no business in the channel ODUK itself at this time, will not shadow
Other existing service traffics are rung, into S5.
S5. packet handing module 4 by newly-established ODUK pipeline and needs the ODUK pipeline of dilatation that LAG member's group is added together
In, terminate.The transmitting of the action command of addition between the individual nodes is carried out using the overhead byte of OTN, it should be noted that
It is that these overhead bytes can be reserve bytes or other bytes, to ensure the synchronism acted between each node, meets
The carrier-class Signal Fail time.
S6. it is that the distribution of each node needs reduced ODUK pipeline that flow, which reduces module 3,；Packet handing module 4 is by reduction
ODUK pipeline removes LAG member's group, and the order of removal is equally transmitted by the overhead byte of OTN to meet the out-of-service time；At
Frame chip 5 discharges reduced ODUK pipeline.
Packet Service of the invention is the business for carrying out data exchange for BTU Basic Transmission Unit with elongated packet, including but unlimited
In Ethernet and MPLS (Multi-Protocol Label Switching, multiprotocol label switching) etc..
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (6)
1. a kind of device based on the lossless adjustment of OTN Packet Service characterized by comprising
Network management processing module, for giving according to the adjustment service traffics order received, flow increases module or flow is reduced
Resume module；
Flow increases module, establishes ODUK pipeline to each node for distributing remaining ODUK pipeline resource, or in each section
Point newly establishes ODUK pipeline；
Flow reduces module, for needing reduced ODUK pipeline for the distribution of each node, and determines to discharge reduced ODUK pipe
Road；
Packet handing module, for being added or removing LAG member's group for ODUK pipeline；
Framing chip, for completing the increase and release of ODUK pipeline；
The Packet Service is the business for carrying out data exchange for BTU Basic Transmission Unit with elongated packet, including Ethernet and MPLS；
Wherein, the judgement of network management processing module receives the order of adjustment service traffics, if service traffics are increased, distributes to flow increasing
Add resume module；If service traffics are reduced, distributes to flow and reduce resume module；
Flow increases all routing nodes that module calculating business is passed through, and whether there are also remaining ODUK pipeline resources, if so, will
Traffic assignments establish ODUK pipeline to each node, if it is not, prompting on the node without remaining ODUK pipeline, and provide alternative
Delete business；After prompting on the node without remaining ODUK pipeline, framing chip establishes ODUK pipeline in each node, packet
ODUK pipeline is added to LAG member's group by processing module.
2. the device as described in claim 1 based on the lossless adjustment of OTN Packet Service, it is characterised in that: the ODUK pipeline
It is added or is removed the action command of LAG member's group, is transmitted by the overhead byte of OTN.
3. the device as claimed in claim 2 based on the lossless adjustment of OTN Packet Service, it is characterised in that: the overhead byte of OTN
It is the ODUK layer of same level ODUK layers or different levels.
4. a kind of method based on the lossless adjustment of OTN Packet Service based on claim 1 described device, which is characterized in that point
Group business is to carry out the business of data exchange, including Ethernet and MPLS, the method packet for BTU Basic Transmission Unit with elongated packet
Include step:
S1. when network management processing module receives adjustment service traffics order, judgement is the increase or reduction of service traffics, if increasing
Add, into S2；If reducing, into S6；
S2. flow increases all routing nodes that module calculates business process to be adjusted, judges whether that each node has enough
Unused ODUK pipeline, if it is not, into S3, if so, into S4；
S3. flow increases module and the ODUK pipeline occupied without the node that ODUK pipeline is not used enough is set out, and deletes
The ODUK pipeline business occupied；
S4. flow increase module distributes the channel ODUK to each node, and passes through framing chip and establish the empty channel ODUK；
S5. packet handing module by newly-established ODUK pipeline and needs the ODUK pipeline of dilatation to be added in LAG member's group, terminates；
S6. it is that the distribution of each node needs reduced ODUK pipeline that flow, which reduces module, and packet handing module manages the ODUK of reduction
Road removes LAG member's group, and framing chip discharges reduced ODUK pipeline, terminates.
5. the method as claimed in claim 4 based on the lossless adjustment of OTN Packet Service, it is characterised in that: ODUK pipeline is added
Or the order of LAG member's group is removed, it is transmitted by the overhead byte of OTN.
6. the method as claimed in claim 5 based on the lossless adjustment of OTN Packet Service, it is characterised in that: the overhead byte of OTN
It is the ODUK layer of same level ODUK layers or different levels.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316300.5A CN104883320B (en) | 2015-06-10 | 2015-06-10 | A kind of apparatus and method based on the lossless adjustment of OTN Packet Service |
| PCT/CN2016/076139 WO2016197641A1 (en) | 2015-06-10 | 2016-03-11 | Lossless adjustment apparatus and method based on otn packet service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316300.5A CN104883320B (en) | 2015-06-10 | 2015-06-10 | A kind of apparatus and method based on the lossless adjustment of OTN Packet Service |
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| CN104883320A CN104883320A (en) | 2015-09-02 |
| CN104883320B true CN104883320B (en) | 2019-01-04 |
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| CN104883320B (en) * | 2015-06-10 | 2019-01-04 | 烽火通信科技股份有限公司 | A kind of apparatus and method based on the lossless adjustment of OTN Packet Service |
| CN105282631B (en) * | 2015-09-15 | 2018-10-30 | 烽火通信科技股份有限公司 | The system and method for electric layer linear protection is realized in POTN |
| CN109039892B (en) * | 2018-08-28 | 2020-11-13 | 烽火通信科技股份有限公司 | Service transmission method, network equipment and network system |
| CN111464889B (en) * | 2020-03-20 | 2022-02-01 | 烽火通信科技股份有限公司 | Channel bandwidth adjusting method and system |
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| CN102571544A (en) * | 2010-12-27 | 2012-07-11 | 中兴通讯股份有限公司 | Bandwidth adjustment method and system |
| CN103891222A (en) * | 2011-10-20 | 2014-06-25 | 瑞典爱立信有限公司 | Resizing existing traffic flow in optical transport network |
| CN104066017A (en) * | 2013-03-21 | 2014-09-24 | 中兴通讯股份有限公司 | Equipment unit, node equipment, and tunnel bandwidth adjusting method and system |
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| CN100344131C (en) * | 2004-08-16 | 2007-10-17 | 华为技术有限公司 | Method and device for adjusting resilient packet ring bandwidth |
| CN101013995A (en) * | 2007-02-12 | 2007-08-08 | 华为技术有限公司 | Network node equipment, network system and tunnel establishment method |
| CN102845023B (en) * | 2010-04-23 | 2015-12-16 | 瑞典爱立信有限公司 | For registering the apparatus and method of transmission capacity in broadband access network |
| CN102404221A (en) * | 2011-11-27 | 2012-04-04 | 深圳市掌控无限科技有限公司 | Multi-link aggregated data transmitting method and system |
| US8854963B1 (en) * | 2012-05-08 | 2014-10-07 | Pmc-Sierra Us, Inc. | Control and coordination of ODUflex bandwidth resizing operation |
| CN104883320B (en) * | 2015-06-10 | 2019-01-04 | 烽火通信科技股份有限公司 | A kind of apparatus and method based on the lossless adjustment of OTN Packet Service |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102571544A (en) * | 2010-12-27 | 2012-07-11 | 中兴通讯股份有限公司 | Bandwidth adjustment method and system |
| CN103891222A (en) * | 2011-10-20 | 2014-06-25 | 瑞典爱立信有限公司 | Resizing existing traffic flow in optical transport network |
| CN104066017A (en) * | 2013-03-21 | 2014-09-24 | 中兴通讯股份有限公司 | Equipment unit, node equipment, and tunnel bandwidth adjusting method and system |
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| WO2016197641A1 (en) | 2016-12-15 |
| CN104883320A (en) | 2015-09-02 |
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