CN109962802A - Bandwidth adjusting method, device, system, transport plane node and storage medium - Google Patents
Bandwidth adjusting method, device, system, transport plane node and storage medium Download PDFInfo
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- CN109962802A CN109962802A CN201711428351.2A CN201711428351A CN109962802A CN 109962802 A CN109962802 A CN 109962802A CN 201711428351 A CN201711428351 A CN 201711428351A CN 109962802 A CN109962802 A CN 109962802A
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- 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
- H04L41/0896—Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities
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- 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
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5041—Network service management, e.g. ensuring proper service fulfilment according to agreements characterised by the time relationship between creation and deployment of a service
- H04L41/5054—Automatic deployment of services triggered by the service manager, e.g. service implementation by automatic configuration of network components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/78—Architectures of resource allocation
- H04L47/788—Autonomous allocation of resources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/82—Miscellaneous aspects
- H04L47/821—Prioritising resource allocation or reservation requests
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Abstract
The invention discloses a kind of bandwidth adjusting method, device, system, transport plane node and storage mediums, which comprises adjusts the bandwidth of original connection；When adjusting the bandwidth from large to small, if the largest number of service side signal container is removed, allow to change client side signal to the mapping cost position of service side signal container.The perfect resource allocation mechanism of adaptive-bandwidth business of the present invention each embodiment, so that bandwidth adjusts anyway, service signal container is allocated around home position always, avoid bandwidth drift, network resource utilization is helped to improve, the bearing capacity of network and the flexibility of deployment are improved.
Description
Technical field
The present invention relates to fields of communication technology, more particularly to a kind of Bandwidth adjustment in transmission net bandwidth varying bearing technology
Method, apparatus, system, transport plane node and storage medium.
Background technique
In today that quantity flow increases sharply, bandwidth has become operator's one of resource the most valuable.In order to sufficiently sharp
With bandwidth, operator generally all can reasonably be planned based on the whole network business, to give full play to the bearing capacity of network.
When adaptive-bandwidth technical transmission Packet Service, each Bandwidth adjustment means to increase or decrease and account for time slot
With, and time slot increase and decrease repeatedly will lead to bandwidth drift phenomenon, i.e., with the progress of adjustment, connects the time interval resource range of occupancy
It can change at random, influence the load of other business.When carrying a large amount of adaptive-bandwidth business on network, bandwidth drift
The management for connection is not only made to become complicated, but also the behaviour in service that will lead to Internet resources deviates original planning, influences
The further promotion of other implementations for having planned business and bandwidth availability ratio.
Summary of the invention
In order to overcome drawbacks described above, the technical problem to be solved in the present invention is to provide a kind of bandwidth adjusting method, device, it is
System, transport plane node and storage medium, to solve in transmission net bandwidth varying bearing technology, caused by dynamic adjusting bandwidth
Bandwidth drifting problem.
In order to solve the above technical problems, one of embodiment of the present invention bandwidth adjusting method, comprising:
Adjust the bandwidth of original connection；
When adjusting the bandwidth from large to small, if the largest number of service side signal container is removed, allow
Change client side signal to the mapping cost position of service side signal container.
In order to solve the above technical problems, one of embodiment of the present invention Bandwidth adjustment device, comprising:
Module is adjusted, for adjusting the bandwidth of original connection；
Configuration module, for when adjusting the bandwidth from large to small, if the largest number of service side signal container
It is removed, then allows to change client side signal to the mapping cost position of service side signal container.
In order to solve the above technical problems, one of embodiment of the present invention Bandwidth adjustment system, including Control management system
With transport plane node, there is device as described above in the transport plane node；The Control management system includes management
Plane and/or control plane.
In order to solve the above technical problems, one of embodiment of the present invention transport plane node, including memory and processing
Device；The memory is stored with Bandwidth adjustment adjustment computer program, when the processor executes the computer program, with reality
Now the step of method as described above.
In order to solve the above technical problems, one of embodiment of the present invention computer readable storage medium, is stored with bandwidth
Adjustment adjustment computer program, when the computer program is executed by least one processor, to realize method as described above
Step.
The present invention has the beneficial effect that:
The perfect resource allocation mechanism of adaptive-bandwidth business of the present invention each embodiment, so that bandwidth is adjusted anyway
Whole, service side signal container is allocated around home position always, avoids bandwidth drift, helps to improve Internet resources benefit
With rate, the bearing capacity of network and the flexibility of deployment are improved.
Detailed description of the invention
Fig. 1 is a kind of flow chart of bandwidth adjusting method in the embodiment of the present invention；
Fig. 2 is that ODUk expense OCF schematic diagram is used in the embodiment of the present invention；
Fig. 3 is service side signal container schematic diagram idle when connection is not set up in the embodiment of the present invention；
Fig. 4 is the service side signal container schematic diagram in the embodiment of the present invention after connection foundation；
Fig. 5 is to connect after bandwidth is changed from small to big to service side signal container schematic diagram in the embodiment of the present invention；
Fig. 6 is to connect bandwidth in the embodiment of the present invention to service side signal container schematic diagram afterwards from large to small；
Fig. 7 is to connect after bandwidth is replied to service side signal container schematic diagram in the embodiment of the present invention；
Fig. 8 is to define OCF schematic diagram using optical label in the embodiment of the present invention；
Fig. 9 is a kind of structural schematic diagram of Bandwidth adjustment device in the embodiment of the present invention.
Specific embodiment
In order to solve problems in the prior art, the present invention provides a kind of bandwidth adjusting method, device, system, transmission are flat
Face node and storage medium, below in conjunction with attached drawing and embodiment, the present invention will be described in further detail.It should be appreciated that
Described herein specific examples are only used to explain the present invention, does not limit the present invention.
In subsequent description, it is only using the suffix for indicating such as " module ", " component " or " unit " of element
Be conducive to explanation of the invention, itself there is no a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
Embodiment one
The embodiment of the present invention provides a kind of bandwidth adjusting method, as shown in Figure 1, which comprises
S101 adjusts the bandwidth of original connection；
S102, when the bandwidth is adjusted from large to small, if the largest number of service side signal container is removed,
Allow to change client side signal to the mapping cost position of service side signal container.
The embodiment of the present invention, which passes through, allows to change client side signal to the mapping cost position of service side signal container, thus
It is possible to prevente effectively from the bandwidth drift in bandwidth adjustment process.
Method can execute in transport plane node in the embodiment of the present invention.
For example, each Bandwidth adjustment means to increase or decrease the occupancy to time slot in the prior art, if original company
The corresponding mapping cost position of the original bandwidth connect is located at the largest number of service side signal container, at this point, if carry out bandwidth from
Small to adjust to big, the number for the service side signal container that mapping cost position is located at also can accordingly change；If then carrying out band
Width adjusts from big to small, due to not allowing to change client side signal in the prior art to the mapping cost position of service side signal container
It sets, it is therefore possible to cause bandwidth to be drifted about, and the embodiment of the present invention can effectively solve the problems, such as this.
Embodiment two
The embodiment of the present invention provides a kind of bandwidth adjusting method, which comprises
S101 adjusts the bandwidth of original connection；
S102, when the bandwidth is adjusted from large to small, if the largest number of service side signal container is removed,
Allow to change client side signal to the mapping cost position of service side signal container.
Wherein, the bandwidth of the original connection of adjustment, comprising:
S1011 obtains the original connection identifier carried in service side signal container；
S1012 adjusts the bandwidth of the original connection according to the original connection identifier.
In embodiments of the present invention, optionally, the original connection identifier for identify service side signal container whether by
Original connection occupies.
In embodiments of the present invention, optionally, it is taken in the expense of service side signal container, data model or data structure
The original connection identifier of band.
The Bandwidth adjustment that the embodiment of the present invention is attached by original connection identifier, the perfect money of adaptive-bandwidth business
Source distribution mechanism, so that bandwidth adjusts anyway, service side signal container is allocated around home position always, further
Bandwidth drift is avoided, network resource utilization is helped to improve, improves the bearing capacity of network and the flexibility of deployment.
In the resource allocation mechanism of adaptive-bandwidth business, held by what management plane, control plane and transport plane were constituted
Carry network system；Transport plane includes that a certain number of transport plane nodes constitute transmission network.
Client-side system or the request of operator are answered, management plane, control plane can select one in transmission network
Connection is established in path, for client side signal to be transmitted to tail node from the first node in path.
Based on this, the original connection identifier that acquisition described in the embodiment of the present invention carries in service side signal container can
To include:
Original is carried from being obtained in the expense in service side signal container, data model or data structure in transport plane node
Beginning connection identifier；Or
The original connection mark carried in the data model of service side signal container or data structure is obtained from management plane
Know；Or
The original connection mark carried in the data model of service side signal container or data structure is obtained from control plane
Know.
Method can execute in transport plane node in the embodiment of the present invention.
Embodiment three
The embodiment of the present invention provides a kind of bandwidth adjusting method, which comprises
S100, according to the mapping status of the original connection identifier and the service side signal container, foundation has bandwidth
The original connection of recovery capacity；
S101 obtains the original connection identifier carried in service side signal container；According to the original connection identifier, adjust
The bandwidth of the whole original connection；
S102, when the bandwidth is adjusted from large to small, if the largest number of service side signal container is removed,
Allow to change client side signal to the mapping cost position of service side signal container.
In embodiments of the present invention, optionally, described according to the original connection identifier and service side signal container
Mapping status, after foundation has an original connection of bandwidth recovery capacity, comprising:
The original connection identifier labeled as this connection or is being built into connection.
Wherein, the mapping status can not map the idle mapping shape of client side signal for service side signal container
State can also be mapped the busy state or business occupied state of client side signal certainly for service side signal container.
In embodiments of the present invention, optionally, described according to the original connection identifier and service side signal container
Mapping status, establish and have the original connection of bandwidth recovery capacity, comprising:
It receives connection and establishes request message；
Request message is established according to the connection, selects in idle mapping status and original connection identifier is empty
Service side signal container；
Client side signal is mapped in the service side signal container of selection, the original company for having bandwidth recovery capacity is established
It connects.
The embodiment of the present invention can be implemented in optical transfer network, optical transfer network (OTN, Optical Transport
Network current transmission network) is become with the capacity of its super large, flexible dispatching and low time delay, ultra long haul transfer capability
Major Members.At the beginning of birth, OTN defines 3 kinds of OTN containers: (Optical Channel Data Unit, light are logical by ODU1
Track data unit), ODU2, ODU3, design based on bearer circuit type business.As the sustainable development and movement of internet are mutual
Networking is risen, and the content that OTN is carried is by gradually developing into based on data traffic based on voice service, a large amount of Internet resources
For carry Ethernet and it is other by IP exchange based on various granularities Packet Service.
Compared with traditional Circuit Service, Packet Service have the characteristics that bursts of traffic is strong, bandwidth demand fluctuate it is big.
To make OTN support all kinds of Packet Services to adapt to new application scenarios, the ODUflex container of rate-compatible have ODUflex without
Damage Bandwidth adjustment (HAO Hitless Adjustment of ODUflex, lossless ODUflex adjustment).ODUflex, which can be carried, to be appointed
CBR (Constant Bit Rate, the fixed bit rate) business and Packet Service for rate of anticipating, when carrying Packet Service, usually
Business data packet is encapsulated into using GFP (Generic Framing Procedure, Generic Framing Procedure) packaged type
In ODUflex.Since Packet Service flow has the characteristic of non real-time variation, in different time sections, ODUflex needs to provide not
With bandwidth meet its different flow, and need to carry out ODUflex bandwidth chahnel tune in the unbroken situation of business
It is whole, i.e., when service traffics increase, need to increase newly a certain number of time slots (Tributary Slot) on the path ODUflex；
When packet service traffics reduce, need to reduce a certain number of time slots on the path ODUflex.
And the embodiment of the present invention is in specific implementation, can be a kind of bandwidth adjusting method based on ODUk expense, such as Fig. 2
It is shown, expense OCF (Original Connection Flag, original company can be defined in the ODUk frame structure of optical transfer network
Connect mark).
The embodiment of the present invention in specific implementation, can carry former in service side signal capsule overhead or data model
Beginning connection identifier, for whether identifying a container by an original occupancy of connection；
When the newly-built original connection with bandwidth recovery capacity, selects idle (idle mapping status) and original connection is marked
Know for empty service side signal container, client side signal is mapped wherein, while original connection identifier is labeled as this connection.
The embodiment of the present invention in specific implementation, optionally, receives management plane or control plane by transport plane node
Request message is established in the connection of the adaptive-bandwidth of transmission, and the request message carries bandwidth and replys mark, and the mark is for indicating
Whether there is the ability for being returned to reset condition after the original connection Bandwidth adjustment to be created；There is the original connection of recovery capacity, when
Bandwidth can be returned to reset condition after changing.Signal container in side is serviced in the embodiment of the present invention can be referred to as container.
In detail, the original establishment of connection that there is bandwidth to automatically reply ability is initiated by control plane, executes step such as
Under:
Step 11. controls plane and sends connection foundation to the transport plane node for the connection path for having bandwidth tunability
Request message, quantity (such as ODUk number of frames), the bandwidth that the service side signal container that need to be occupied is carried in request message are replied
Mark and reply type identification, wherein replying the specific value of type is to automatically reply.
Step 12. transport plane node is connection distribution signal container according to the quantity for the service side signal container that need to be occupied
(ODUk frame), selecting the idle and domain " OCF " is empty ODUk frame, wherein by client side signal mapping, while by " OCF " field mark
To build connection ID；
As shown in figure 3, service side signal container is numbered using number in figure, service side signal holds before connection is established
Device is in idle mapping status, as shown in figure 4, the service side signal container that number is 2~8 is occupied after connection is established,
These containers carry OCF expense, wherein the largest number of container (number 8) also carries TSOH (Tributary Slot
Overhead, branch channel time slot expense) expense.
Certainly, method can also optionally improve scheme including each in embodiment one and two in the embodiment of the present invention.
Example IV
The embodiment of the present invention provides a kind of bandwidth adjusting method, and optionally, the embodiment of the present invention is in embodiment three
S101 is improved, that is to say, that and it is described according to the original connection identifier, the bandwidth of the original connection is adjusted, can wrap
It includes:
Reception bandwidth adjustment request message；
According to the mapping status of the original connection identifier and the service side signal container, the original connection is adjusted
Bandwidth.
In detail, when connecting Bandwidth adjustment in the embodiment of the present invention, if bandwidth becomes larger, preferably idle mapping status and
Original connection identifier is the service side signal container of this connection, and the mapping status and original connection identifier of less preferred free time is empty
Side signal container is serviced, the preferred idle mapping status of third and original connection identifier are that the service side signal of non-connection holds
Device, wherein by client side signal mapping.
When connecting Bandwidth adjustment, if bandwidth becomes smaller, the service side signal of original connection identifier non-connection is preferably removed
Container, it is empty service side signal container that suboptimum, which removes original connection identifier, and it is this company that third, which preferably removes original connection identifier,
The service side signal container connect.
That is, in embodiments of the present invention, it is optionally, described according to the original connection identifier and the service side
The mapping status of signal container adjusts the bandwidth of the original connection, may include:
When the bandwidth of the connection is changed from small to big and adjusted by determination, selection services side signal container in the following sequence,
And client side signal is mapped in the service side signal container of selection:
In idle mapping status, and original connection identifier is the service side signal container of this connection；
In idle mapping status, and original connection identifier is empty service side signal container；
Mapping status in the free time, and the service side signal container of original connection identifier non-connection.
Wherein, the bandwidth adjustment request message carries the quantity of increased service side signal container.
In embodiments of the present invention, optionally, described when the bandwidth of the connection is changed from small to big and adjusted by determination, according to
Following sequence selection service side signal container, further includes:
Determine the bandwidth of the connection is changed from small to big adjust when, according to it is increased service side signal container quantity,
Selection service side signal container.
In embodiments of the present invention, optionally, described according to the original connection identifier and service side signal container
Mapping status, adjust the bandwidth of the original connection, comprising:
Determining that removal services side signal container in the following sequence when adjusting the bandwidth of the connection from large to small:
Remove the service side signal container that original connection identifier is non-connection；
Removing original connection identifier is empty service side signal container；
Remove the service side signal container that original connection identifier is this connection.
Wherein, the bandwidth adjustment request message carries the quantity of the service side signal container of removal.
In embodiments of the present invention, optionally, described when determination adjusts the bandwidth of the connection from large to small, according to
Following sequence removal service side signal container, further includes:
Determine the bandwidth of the connection is adjusted from large to small when, according to removal service side signal container quantity,
Removal service side signal container.
Connection path can also be referred to as by connecting in embodiments of the present invention.
For example, control plane initiates the connection Bandwidth adjustment (changing from small to big), steps are as follows for execution:
Step 21. controls plane and sends connection bandwidth to the transport plane node for the connection path for having bandwidth tunability
Adjustment request carries the service side signal number of containers that need to be increased newly in request message.
Step 22. transport plane node is that connection increases signal container (ODUk frame) according to desired quantity, preferably idle
And the domain OCF is the ODUk frame of this connection, less preferred idle and OCF domain identifier is empty ODUk frame, the preferred idle and domain OCF of third
The ODUk frame of non-connection, wherein by client side signal mapping.
As shown in figure 5, connecting occupied service side signal container after connection bandwidth is changed from small to big and being expanded by original 2~8
Filling is 2~13, wherein 9~13 be that newly-increased, newly-increased container does not carry OCF expense, while TSOH expense is changed to by the carrying of container 8
It is carried by container 13.
For another example, control plane initiates the connection Bandwidth adjustment (from large to small), and steps are as follows for execution:
Step 31. controls plane and sends connection bandwidth to the transport plane node for the connection path for having bandwidth tunability
Adjustment request carries the service side signal number of containers that need to be cut down in request message.
Step 32. transport plane node is that signal container (ODUk frame) is cut down in connection according to desired quantity, is preferably removed
The ODUk frame of the non-connection in the domain OCF, it is empty ODUk frame that suboptimum, which removes the domain OCF, and it is this connection that third, which preferably removes the domain OCF,
ODUk frame.
As shown in fig. 6, connecting occupied service side signal container after connecting bandwidth from large to small by 2~13 and being reduced to 2
~3, wherein container 4~8 is occupancy when connection is established, and still carries OCF expense；9~13 occupy when being Bandwidth adjustment, do not carry
OCF expense；Meanwhile TSOH expense is changed to be carried by container 3 by the carrying of container 13.
Certainly, the embodiment of the present invention can also include that each into embodiment three of embodiment one optionally improves scheme.
Embodiment five
The embodiment of the present invention provides a kind of bandwidth adjusting method, which comprises
S100, according to the mapping status of the original connection identifier and the service side signal container, foundation has bandwidth
The original connection of recovery capacity；
S101 obtains the original connection identifier carried in service side signal container；According to the original connection identifier, adjust
The bandwidth of the whole original connection；
S102, when the bandwidth is adjusted from large to small, if the largest number of service side signal container is removed,
Allow to change client side signal to the mapping cost position of service side signal container；
S103, reception bandwidth reply request message；
S104 replys the bandwidth of the original connection according to the original connection identifier.
The not only perfect resource allocation mechanism of adaptive-bandwidth business of the embodiment of the present invention, so that bandwidth is adjusted anyway
Whole, service side signal container is allocated around home position always, avoids bandwidth drift, helps to improve Internet resources benefit
With rate.
Adaptive-bandwidth business recovery function is increased simultaneously, so that customer side is believed after interim bandwidth change request disappears
In signal container before number can returning adjustment, service management process is simplified, maintenance workload is reduced.
It in embodiments of the present invention, optionally,, will if current bandwidth is less than original bandwidth when connection bandwidth is replied
Available free and original connection identifier be this connection service side signal container be added connect, so that bandwidth is returned to reset condition.
In the embodiment of the present invention, optionally, when connection bandwidth is replied, if current bandwidth is greater than original bandwidth, by institute
There is the service side signal container of original connection identifier non-connection to remove from connection, bandwidth is made to be restored to reset condition.
That is, the bandwidth according to the original connection identifier, being attached is replied, may include:
When current bandwidth is greater than the original bandwidth of the connection, the service side that original connection identifier is non-connection is believed
The removal of number container；
When current bandwidth is less than the original bandwidth of the connection, it will be in idle condition and original connection identifier be this company
The connection is added in the service side signal container connect.
For example, control plane initiates the connection bandwidth reply, steps are as follows for execution:
Step 41. controls plane and sends connection bandwidth to the transport plane node for the connection path for having bandwidth tunability
Reply request；
If step 42., which connects current bandwidth, is greater than original bandwidth, the ODUk frame of the non-connection in all domains OCF is gone
It removes, bandwidth is made to be returned to reset condition.
If step 43., which connects current bandwidth, is less than original bandwidth, the ODUk frame that the idle and domain OCF is this connection is added
Enter connection；If there is the ODUk frame that the domain OCF is this connection is busy, then this connection is unable to complete complete bandwidth and replys, but can be complete
It is replied at fractional bandwidth；
As shown in fig. 7, connection occupied service side signal container is restored to connection by 2~3 and builds after connection bandwidth is replied
Immediately 2~8, carrying OCF expense；Meanwhile TSOH expense is changed to be carried by container 8 by the carrying of container 3.
Certainly, the embodiment of the present invention can also include each optionally improving scheme in above-mentioned each embodiment.
Embodiment six
The embodiment of the present invention provides a kind of bandwidth adjusting method, and the embodiment of the present invention on the basis of example 2, provides
A method of original connection identifier is safeguarded, that is to say, that before the S1011 of embodiment one, or S1012 it
Afterwards, may include:
Receive the maintenance request message of original connection identifier；
According to the maintenance request message, the original connection identifier is safeguarded.
The type of maintenance request includes setting, modification, inquiry etc..
In embodiments of the present invention, optionally, management plane or control plane initiate the maintenance of the domain OCF, and steps are as follows for execution:
Step 51. management plane or control plane send the domain OCF to the transport plane node for having bandwidth tunability and tie up
Shield request, request type include setting, modification, inquiry etc..
When request type is setting, maintenance request middle finger sets the goal ODUk frame and target connection ID step 52., such as target
The domain frame OCF ODUk is sky, then the domain OCF of the ODUk frame is set to target connection ID by transport plane node；
When request type is modification, maintenance request middle finger sets the goal ODUk frame and target connection ID step 53., such as target
The domain OCF of the ODUk frame is set to target connection ID by the domain ODUk frame OCF non-empty, transport plane node；
When request type is inquiry, maintenance request middle finger sets the goal ODUk frame step 54., and transport plane node returns to institute
State ODUk frame OCF domain currency.
Embodiment seven
The embodiment of the present invention provides a kind of optionally bandwidth adjusting method, which comprises
S201, receive to connect and establish request: transport plane node reception management plane or the bandwidth for controlling plane transmission can
Request message is established in the connection of change, and the request message carries bandwidth and replys mark, and the mark is for indicating the connection to be created
Whether the ability that is returned to reset condition is had after Bandwidth adjustment；
In the embodiment of the present invention, when the request message, which carries bandwidth, replys mark, it can also add and carry " a bandwidth
Reply type " mark, including automatically reply and manually reply.Automatically replying means that, when meeting preset condition, system is automatic
It is returned to original bandwidth；System side is returned to original bandwidth when artificial reply then only receives the instruction artificially assigned.
In the embodiment of the present invention, bandwidth replys mark and " bandwidth reply type " mark and can also close and set, and value range includes
But it is not limited to: does not reply, automatically replies and manually reply；
In the embodiment of the present invention, service side signal container is used for carrying client side signal, services side signal capsule overhead, number
According to original connection identifier is carried in model or data structure, which is arranged to building connection when connection is established
ID.
S202 establishes connection: when the newly-built connection with bandwidth recovery capacity, selecting idle and original connection identifier as sky
Service side signal container, by client side signal mapping wherein, while by original connection identifier be labeled as building connection；
S203, Bandwidth adjustment:
When connecting Bandwidth adjustment, if bandwidth is changed from small to big, preferably idle and original connection identifier is the service of this connection
Side signal container, less preferred idle and original connection identifier are empty service side signal container, the preferred idle and original company of third
The service side signal container for connecing non-connection of mark, wherein by client side signal mapping.
When connecting Bandwidth adjustment, if bandwidth is from large to small, the service side of original connection identifier non-connection is preferably removed
Signal container, it is empty service side signal container that suboptimum, which removes original connection identifier, and third preferably removes original connection identifier and is
The service side signal container of this connection.
In the embodiment of the present invention, when connecting Bandwidth adjustment, if bandwidth is from large to small and the largest number of service side container
When being removed, client side signal accordingly changes to service side signal container mappings expense position.
S204, bandwidth are replied:
When connecting bandwidth reply, if current bandwidth is greater than original bandwidth, all original connection identifier non-is connected
Service side signal container removal, so that bandwidth is returned to reset condition.
It is this company by idle and original connection identifier if current bandwidth is less than original bandwidth when connecting bandwidth reply
Connection is added in the service side signal container connect；If there is the service side signal container that original connection identifier is this connection is by other companies
Occupancy is connect, then this connection bandwidth can not reply completely, but can fractional bandwidth reply；
S205, original connection identifier maintenance:
The original connection identifier to service side container is allowed to safeguard, including setting, modification, inquiry etc..
Setting operation object is single or bulk service side signal container, original by what is carried in its expense or data model
Connection identifier is set as given value.
Modification operation object is single or bulk service side signal container, original by what is carried in its expense or data model
Connection identifier is revised as given value.
Inquiry operation object is single or bulk service side signal container, original by what is carried in its expense or data model
Connection identifier current value is returned as query result.
Embodiment eight
The embodiment of the present invention provides a kind of bandwidth adjusting method, and optionally, the embodiment of the present invention provides a kind of based on cursor
The photosphere bandwidth adjusting method of label.
Optical label is a kind of a kind of low-frequency modulation signal additional on optical channel, manages and controls information for transmitting.
As shown in figure 8, field OCF that the present embodiment newly defines in optical label structure (Original Connection Flag, it is original
Connection identifier).
Method includes connection foundation in the embodiment of the present invention, Bandwidth adjustment, bandwidth is replied and OCF maintenance.
One, connection is established.
In the embodiment of the present invention, optionally, control plane initiates that there is bandwidth to automatically reply ability connection foundation, executes step
It is rapid as follows:
Path, centre frequency, bandwidth needed for step 61. controls one optical layer connection of plane computations, selection it is idle and
The domain " OCF " is that empty basic frequency band is used for this connection；
Step 62. controls plane and sends connection foundation to the transport plane node for the connection path for having bandwidth tunability
It requests, centre frequency, spectrum width or the basic frequency band quantity that need to occupy is carried in request message, bandwidth is replied and replys type mark
Know, wherein replying the specific value of type is " artificial to reply ".
Step 63. transport plane node is connection distribution frequency spectrum according to desired centre frequency and spectrum width, by specified base
Connection is added in this frequency band, while being to build connection ID by corresponding optical label " OCF " field mark；
Two, Bandwidth adjustment.
In the embodiment of the present invention, optionally, control plane is initiated the connection Bandwidth adjustment (changing from small to big), executes step such as
Under:
Step 71., which controls plane computations, needs increased frequency spectrum, and the preferably idle and domain OCF is the basic frequency band of this connection, secondary
It is preferred that idle and OCF domain identifier is the basic frequency band of empty basic frequency band, third preferred free time and the non-connection in the domain OCF；
Step 72. controls plane and sends connection bandwidth to the transport plane node for the connection path for having bandwidth tunability
Adjustment request carries the frequency spectrum that need to be increased newly or basic frequency band in request message.
Step 73. transport plane node connects according to requiring and increases specified frequency spectrum or basic frequency band.
In the embodiment of the present invention, optionally, control plane is initiated the connection Bandwidth adjustment (from large to small), executes step such as
Under:
The frequency spectrum that step 81. control plane computations need to be cut down, the preferably basic frequency band of the non-connection in the removal domain OCF, suboptimum
Removing the domain OCF is empty basic frequency band, and third preferably removes the basic frequency band that the domain OCF is this connection.
Step 82. controls plane and sends connection bandwidth to the transport plane node for the connection path for having bandwidth tunability
Adjustment request carries the frequency spectrum that need to be cut down or basic frequency band in request message.
Step 83. transport plane node connects according to requiring and cuts down specified frequency spectrum or basic frequency band.
Three, bandwidth is replied.
In the embodiment of the present invention, optionally, management plane manually initiates the connection bandwidth reply, and steps are as follows for execution:
Step 91. management plane sends connection bandwidth to the transport plane node for the connection path for having bandwidth tunability
Reply request；
If step 92. connects current bandwidth and is greater than original bandwidth, by the frequency spectrum of non-of all domains OCF connection or substantially
Frequency band removal, makes bandwidth be returned to reset condition.
It is the frequency spectrum or base of this connection by the idle and domain OCF if step 93., which connects current bandwidth, is less than original bandwidth
Connection is added in this frequency band；If there is the domain OCF is busy for the frequency spectrum of this connection or basic frequency band, then this connection can not complete bandwidth
It replys, but can fractional bandwidth reply；
Four, OCF is safeguarded.
In the embodiment of the present invention, optionally, management plane or control plane initiate the maintenance of the domain OCF, and steps are as follows for execution:
Step 1001. management plane controls plane to the transport plane node transmission domain OCF for having bandwidth tunability
Maintenance request, request type include setting, modification, inquiry etc..
When request type is setting, set the goal frequency spectrum or basic frequency band and target of maintenance request middle finger connects step 1002.
ID is met, if target spectrum or the domain basic frequency band OCF are sky, then transport plane node is by the frequency spectrum or the domain OCF of basic frequency band
It is set to target connection ID；
When request type is modification, set the goal frequency spectrum or basic frequency band and target of maintenance request middle finger connects step 1003.
ID is met, as target spectrum or the domain basic frequency band OCF non-empty, transport plane node set the domain OCF of the frequency spectrum or basic frequency band
For target connection ID；
Step 1004. is when request type is inquiry, designated spectrum or basic frequency band in maintenance request, transport plane node
Return to the frequency spectrum or basic frequency band OCF domain currency.
Embodiment nine
The embodiment of the present invention provides a kind of Bandwidth adjustment device, as shown in figure 9, described device includes:
Module 10 is adjusted, for adjusting the bandwidth of original connection；
Configuration module 12, for when adjusting the bandwidth from large to small, if the largest number of service side signal holds
Device is removed, then allows to change client side signal to the mapping cost position of service side signal container.
In embodiments of the present invention, optionally, module 10 is adjusted, is carried in service side signal container specifically for obtaining
Original connection identifier；According to the original connection identifier, the bandwidth of the original connection is adjusted.
In embodiments of the present invention, optionally, the original connection identifier for identify service side signal container whether by
Original connection occupies.
In embodiments of the present invention, optionally, the adjustment module, is also used to obtain from transport plane node and is servicing
Original connection identifier is carried in the expense of side signal container, data model or data structure；Or
It is also used to carry in the data model of service side signal container or data structure from management plane acquisition original
Connection identifier；Or
It is also used to carry in the data model of service side signal container or data structure from the acquisition of control plane original
Connection identifier.
In embodiments of the present invention, optionally, described device further include:
Module is established, for the mapping status according to the original connection identifier and the service side signal container, is established
The original connection for having bandwidth recovery capacity.
In embodiments of the present invention, optionally, described to establish module, it is also used to the original connection identifier labeled as this
Connection.
In embodiments of the present invention, optionally, the mapping status position service side signal container does not map client side signal
Idle mapping status.
In embodiments of the present invention, optionally, described according to the original connection identifier and service side signal container
Mapping status, establish and have the original connection of bandwidth recovery capacity, comprising:
It receives connection and establishes request message；Request message is established according to the connection, selection is in idle mapping status
And original connection identifier is empty service side signal container；Client side signal is mapped in the service side signal container of selection
In, establish the original connection.
In embodiments of the present invention, optionally, described according to the original connection identifier and service side signal container
Mapping status, adjust the bandwidth of the original connection, comprising:
Reception bandwidth adjustment request message；According to the mapping shape of the original connection identifier and the service side signal container
State adjusts the bandwidth of the original connection.
In embodiments of the present invention, optionally, described according to the original connection identifier and service side signal container
Mapping status, adjust the bandwidth of the original connection, comprising:
When the bandwidth of the connection is changed from small to big and adjusted by determination, selection services side signal container in the following sequence,
And client side signal is mapped in the service side signal container of selection:
In idle mapping status, and original connection identifier is the service side signal container of this connection；
In idle mapping status, and original connection identifier is empty service side signal container；
Mapping status in the free time, and the service side signal container of original connection identifier non-connection.
In embodiments of the present invention, optionally, the bandwidth adjustment request message carries increased service side signal container
Quantity.
In embodiments of the present invention, optionally, described when the bandwidth of the connection is changed from small to big and adjusted by determination, according to
Following sequence selection service side signal container, further includes:
Determine the bandwidth of the connection is changed from small to big adjust when, according to it is increased service side signal container quantity,
Selection service side signal container.
In embodiments of the present invention, optionally, described according to the original connection identifier and service side signal container
Mapping status, adjust the bandwidth of the original connection, comprising:
Determining that removal services side signal container in the following sequence when adjusting the bandwidth of the connection from large to small:
Remove the service side signal container that original connection identifier is non-connection；
Removing original connection identifier is empty service side signal container；
Remove the service side signal container that original connection identifier is this connection.
In embodiments of the present invention, optionally, the bandwidth adjustment request message carries the service side signal container of removal
Quantity.
In embodiments of the present invention, optionally, described when determination adjusts the bandwidth of the connection from large to small, according to
Following sequence removal service side signal container, further includes:
Determine the bandwidth of the connection is adjusted from large to small when, according to removal service side signal container quantity,
Removal service side signal container.
In embodiments of the present invention, optionally, described device further include:
Module is replied, replys request message for reception bandwidth；According to the original connection identifier, the original company is replied
The bandwidth connect.
In embodiments of the present invention, optionally, the reply module is specifically used for being greater than the original company in current bandwidth
When the original bandwidth connect, the service side signal container that original connection identifier is non-connection is removed；It is less than institute in current bandwidth
When stating the original bandwidth of original connection, it will be in idle condition and original connection identifier add for the service side signal container of this connection
Enter the original connection.
In embodiments of the present invention, optionally, the method also includes:
Receive the maintenance request message of original connection identifier；
According to the maintenance request message, the original connection identifier is safeguarded.
The embodiment of the present invention in specific implementation, can also have corresponding technical effect refering to above-mentioned each embodiment.
Embodiment ten
The embodiment of the present invention provides a kind of Bandwidth adjustment system, and the system comprises Control management systems and transport plane section
Point has the device as described in any one of embodiment nine in the transport plane node；The Control management system includes
Management plane and/or control plane.
In embodiments of the present invention, optionally, in the service side container data model of management plane, original connection is carried
Mark or transport plane service side container expense in carry original connection identifier, or both have concurrently；
In embodiments of the present invention, optionally, when connection is established, the management plane calculates connection path, on path
Transport plane node send the connection for replying mark with " Bandwidth adjustment " and bandwidth and establish request；Connection is established in request,
" bandwidth reply type " mark can be also carried, bandwidth is replied to identify also close with " bandwidth reply type " mark and be set；
In embodiments of the present invention, optionally, the transport plane node mapped accordingly, crossover operation, complete
Bandwidth is adjustable, and original connection is established；
In embodiments of the present invention, optionally, when Bandwidth adjustment, transport plane node of the management plane on path is sent
Adjustment request, transport plane node execute relevant operation and complete adjustment, and the service side container that need to be added or removed can be flat by managing
Face determines, can also be determined by transport plane, or is combined by the two and determined；
In embodiments of the present invention, optionally, when bandwidth is replied, transport plane node of the management plane on path is sent
Bandwidth replys request, and transport plane node executes relevant operation and completes to reply, and the service side container that need to be refilled or exit can be by pipe
The face of patting provides, and can also be decided in its sole discretion by transport plane；
In embodiments of the present invention, optionally, when the maintenance of service side signal container original connection identifier, management plane is to biography
Plane node is sent to send maintenance request, request type includes setting, modification, inquiry etc..Transport plane node executes maintenance command,
Return to implementing result.
In embodiments of the present invention, optionally, it in the service side container data model of management plane or data structure, carries
Have in original connection identifier, or the service side container data model or data structure of control plane, carries original connection identifier
Or original connection identifier is carried in the transport plane service expense of side container, data model or data structure or three has both；
In embodiments of the present invention, optionally, when connection is established, the management plane has to control plane transmission
Request is established in the connection that " Bandwidth adjustment " and bandwidth reply mark；Connection is established in request, and " bandwidth reply type " can be also carried
Mark；Bandwidth is replied to identify also close with " bandwidth reply type " mark and be set；
In embodiments of the present invention, optionally, the control plane computations connection path and the transport plane on path
Node sends operation requests；The transport plane node completes corresponding mapping, crossover operation, completes the adjustable original connection of bandwidth
It establishes；
In embodiments of the present invention, optionally, when Bandwidth adjustment, management plane sends adjustment request, control to control plane
It makes the transport plane node on flat path-oriented and sends adjusting request, transport plane node executes relevant operation and completes adjustment, need to
The service side container added or removed can be specified by management plane, or be determined by control plane, or be determined by transport plane or three
Person, which combines, to be determined；
In embodiments of the present invention, optionally, when bandwidth is replied, management plane is asked to control plane transmission bandwidth reply
It asks, controls the transport plane node transmission bandwidth on flat path-oriented and reply request, it is complete that transport plane node executes relevant operation
At reply, the service side container that need to be refilled or exit can be specified by management plane, or be determined by control plane, or by transport plane
It determines, or is determined by triple combination；
In embodiments of the present invention, optionally, when the original connection identifier of service side signal container is safeguarded, management plane or control
Plane processed sends maintenance request to transport plane node, and request type includes setting, modification, inquiry etc..Transport plane node is held
Row maintenance command completes attended operation.
The embodiment of the present invention in specific implementation, can also have corresponding technical effect refering to above-mentioned each embodiment.
Embodiment 11
The embodiment of the present invention provides a kind of transport plane node, and the node includes memory and processor；The storage
Device is stored with Bandwidth adjustment adjustment computer program, when the processor executes the computer program, to realize such as embodiment
One to any one of embodiment eight the method the step of.
Embodiment 12
The embodiment of the present invention provides a kind of computer readable storage medium, is stored with Bandwidth adjustment adjustment computer program,
When the computer program is executed by least one processor, to realize as described in any one of embodiment one to embodiment eight
The step of method.
Computer readable storage medium can be RAM memory, flash memory, ROM memory, EPROM in the embodiment of the present invention
Memory, eeprom memory, register, hard disk, mobile hard disk, CD-ROM or any other form known in the art
Storage medium.A kind of storage medium lotus root can be connected to processor, thus enable a processor to from the read information,
And information can be written to the storage medium；Or the storage medium can be the component part of processor.Processor and storage are situated between
Matter can be located in specific integrated circuit.
In specific implementation, embodiment 11 and embodiment 12 can also have corresponding refering to above-mentioned each embodiment
Technical effect.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (22)
1. a kind of bandwidth adjusting method, which is characterized in that the described method includes:
Adjust the bandwidth of original connection；
When adjusting the bandwidth from large to small, if the largest number of service side signal container is removed, allow to change
Client side signal to service side signal container mapping cost position.
2. the method as described in claim 1, which is characterized in that the bandwidth of the original connection of adjustment, comprising:
Obtain the original connection identifier carried in service side signal container；
According to the original connection identifier, the bandwidth of the original connection is adjusted.
3. method according to claim 2, which is characterized in that the original connection identifier is for identifying service side signal container
Whether occupied by original connection.
4. method according to claim 2, which is characterized in that described to obtain the original company carried in service side signal container
After connecing mark, comprising:
The original connection identifier is labeled as this connection.
5. method as claimed in claim 4, which is characterized in that it is described according to the original connection identifier, it adjusts described original
Before the bandwidth of connection, comprising:
It receives connection and establishes request message；
Request message is established according to the connection, selects in idle mapping status and original connection identifier is empty service
Side signal container；
Client side signal is mapped in the service side signal container of selection, the original connection for having bandwidth recovery capacity is established.
6. method as claimed in claim 5, which is characterized in that it is described according to the original connection identifier, it adjusts described original
The bandwidth of connection, comprising:
Reception bandwidth adjustment request message；
According to the mapping status of the original connection identifier and the service side signal container, the band of the original connection is adjusted
It is wide.
7. method as claimed in claim 6, which is characterized in that described to be believed according to the original connection identifier and the service side
The mapping status of number container adjusts the bandwidth of the original connection, comprising:
When the bandwidth of the original connection is changed from small to big and adjusted by determination, selection services side signal container in the following sequence,
And client side signal is mapped in the service side signal container of selection:
In idle mapping status, and original connection identifier is the service side signal container of this connection；
In idle mapping status, and original connection identifier is empty service side signal container；
Mapping status in the free time, and the service side signal container of original connection identifier non-connection.
8. method as claimed in claim 6, which is characterized in that described to be believed according to the original connection identifier and the service side
The mapping status of number container adjusts the bandwidth of the original connection, comprising:
Determining that removal services side signal container in the following sequence when adjusting the bandwidth of the original connection from large to small:
Remove the service side signal container that original connection identifier is non-connection；
Removing original connection identifier is empty service side signal container；
Remove the service side signal container that original connection identifier is this connection.
9. the method as described in any one of claim 5-8, which is characterized in that the method also includes:
Reception bandwidth replys request message；
According to the original connection identifier, the bandwidth of the original connection is replied.
10. method as claimed in claim 9, which is characterized in that it is described according to the original connection identifier, it replys described original
The bandwidth of connection, comprising:
When current bandwidth is greater than the original bandwidth of the original connection, the service side that original connection identifier is non-connection is believed
The removal of number container；
When current bandwidth is less than the original bandwidth of the original connection, it will be in idle condition and original connection identifier be this company
The original connection is added in the service side signal container connect.
11. the method as described in any one of claim 2-8, which is characterized in that the method also includes:
Receive the maintenance request message of original connection identifier；
According to the maintenance request message, the original connection identifier is safeguarded.
12. a kind of Bandwidth adjustment device, which is characterized in that described device includes:
Module is adjusted, for adjusting the bandwidth of original connection；
Configuration module, for when adjusting the bandwidth from large to small, if the largest number of service side signal container is gone
It removes, then allows to change client side signal to the mapping cost position of service side signal container.
13. device as claimed in claim 12, which is characterized in that the adjustment module is specifically used for obtaining and believe in service side
The original connection identifier carried in number container；According to the original connection identifier, the bandwidth of the original connection is adjusted.
14. device as claimed in claim 13, which is characterized in that described device further include:
Module is established, for the original connection identifier to be labeled as this connection.
15. device as claimed in claim 14, which is characterized in that it is described to establish module, it is also used to receive connection and establishes request
Message；Request message is established according to the connection, selects in idle mapping status and original connection identifier is empty clothes
Business side signal container；Client side signal is mapped in the service side signal container of selection, foundation has bandwidth recovery capacity
Original connection.
16. device as claimed in claim 14, which is characterized in that described according to the original connection identifier and the service side
The mapping status of signal container adjusts the bandwidth of the original connection, comprising:
When the bandwidth of the original connection is changed from small to big and adjusted by determination, selection services side signal container in the following sequence,
And client side signal is mapped in the service side signal container of selection:
In idle mapping status, and original connection identifier is the service side signal container of this connection；
In idle mapping status, and original connection identifier is empty service side signal container；
Mapping status in the free time, and the service side signal container of original connection identifier non-connection；
Determining that removal services side signal container in the following sequence when adjusting the bandwidth of the connection from large to small:
Remove the service side signal container that original connection identifier is non-connection；
Removing original connection identifier is empty service side signal container；
Remove the service side signal container that original connection identifier is this connection.
17. the device as described in any one of claim 12-16, which is characterized in that described device further include:
Module is replied, replys request message for reception bandwidth；According to the original connection identifier, the original connection is replied
Bandwidth.
18. device as claimed in claim 17, which is characterized in that the reply module, specifically for being greater than in current bandwidth
When the original bandwidth of the original connection, the service side signal container that original connection identifier is non-connection is removed；Current
When bandwidth is less than the original bandwidth of the original connection, it will be in idle condition and original connection identifier be the service side of this connection
The original connection is added in signal container.
19. the device as described in any one of claim 12-16, which is characterized in that described device further include:
Maintenance module, for receiving the maintenance request message of original connection identifier；According to the maintenance request message, described in maintenance
Original connection identifier.
20. a kind of Bandwidth adjustment system, which is characterized in that the system comprises Control management system and transport plane node, institutes
State the device having as described in weighing and require any one of 12-19 in transport plane node；The Control management system includes pipe
Pat face and/or control plane.
21. a kind of transport plane node, which is characterized in that the node includes memory and processor；The memory storage
There is Bandwidth adjustment to adjust computer program, when the processor executes the computer program, to realize such as claim 1-11
Any one of the method the step of.
22. a kind of computer readable storage medium, which is characterized in that the storage medium is stored with Bandwidth adjustment adjustment computer
Program, when the computer program is executed by least one processor, to realize as described in any one of claim 1-11
The step of method.
Priority Applications (2)
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| CN201711428351.2A CN109962802A (en) | 2017-12-26 | 2017-12-26 | Bandwidth adjusting method, device, system, transport plane node and storage medium |
| PCT/CN2018/119233 WO2019128648A1 (en) | 2017-12-26 | 2018-12-04 | Bandwidth adjustment method, device, system, transmission plane node and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711428351.2A CN109962802A (en) | 2017-12-26 | 2017-12-26 | Bandwidth adjusting method, device, system, transport plane node and storage medium |
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| CN113473271A (en) * | 2021-06-23 | 2021-10-01 | 烽火通信科技股份有限公司 | Packet service forwarding method, device, equipment and readable storage medium |
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