CN106941388B - The determination method and device of channel status - Google Patents
The determination method and device of channel status Download PDFInfo
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- CN106941388B CN106941388B CN201610005054.6A CN201610005054A CN106941388B CN 106941388 B CN106941388 B CN 106941388B CN 201610005054 A CN201610005054 A CN 201610005054A CN 106941388 B CN106941388 B CN 106941388B
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0602—Systems characterised by the synchronising information used
- H04J3/0614—Systems characterised by the synchronising information used the synchronising signal being characterised by the amplitude, duration or polarity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
- H04J3/0623—Synchronous multiplexing systems, e.g. synchronous digital hierarchy/synchronous optical network (SDH/SONET), synchronisation with a pointer process
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/12—Arrangements providing for calling or supervisory signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0003—Switching fabrics, e.g. transport network, control network
Abstract
The present invention provides a kind of determination method and devices of channel status, wherein, this method comprises: the payload data of the payload area of the first frame in current transmission frame is compared with the payload data of the payload area of the second frame in a upper transmission frame nearest apart from current transmission frame, wherein, position of the first frame in current transmission frame is corresponding with position of second frame in a upper transmission frame；In the payload data situation identical with the payload data of the payload area of the second frame for the payload area that comparison result is first frame, determine that the state for being used for transmission the channel of first frame is non-bearer service.Through the invention, it solves the problems, such as that operator is difficult to accurately know the service condition in channel and channel is caused to waste in the related technology, and then has achieved the effect that the accuracy rate for the service condition for improving the channel known.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of determination method and device of channel status.
Background technique
The birth of synchronous digital system (Synchronous Digital Hierarchy, referred to as SDH) SDH technology has
Its certainty, with the development of communication, it is desirable that the information of transmission is not only speech, and there are also text, data, image and videos etc..
In addition there is T1 (DS1)/E1 carrier system 70 to the eighties successively in the development of digital communication and computer technology
(1.544/2.048Mbps), X.25 frame relay, ISDN (Integrated Services Digital
Network, referred to as ISDN) and Fiber Distributed Data Interface (Fiber Distributing Data Interface, letter
Referred to as FDDI) etc. multiple networks technology.With the arrival of information-intensive society, it is desirable to present information transmission networks can quick, warp
Ji effectively provides various circuits and business, and above-mentioned network technology is due to the monotonicity of its business, the complexity of extension, band
Wide limitation is only modified or is improved of no avail in original frame.SDH is exactly to grow up in this background.
In various Broadband Optical Fiber Access Network technologies, the access net system using SDH technology is using most common.The birth of SDH
Solve the bandwidth limitation due to medium of registering one's residence and do not catch up with the development of backbone network and customer service demand, and produce user with
The problem of access " bottleneck " between core net, while improving the utilization rate of massive band width in transmission network.SDH technology is since 90
Since age introduces, it has been a kind of mature, standard technology so far, has been widely adopted in backbone network, and price is increasingly
Low, the enormous bandwidth advantage of SDH technology in the core network and technical advantage can be brought into access net neck by applying in access net
Domain makes full use of SDH synchronous multiplexing, standardized optical interface, powerful network management ability, flexible network topologies ability and highly reliable
Property bring benefit, access net development in be benefited for a long time.
The message structure grade that SDH is used is known as N grades of Synchronous Transport Module level-N (Synchronous Transport Module
Level n, N=1,4,16,64, referred to as STM-N), most basic module is STM-1, and four STM-1 synchronous multiplexings are constituted
STM-4,16 STM-1 or four STM-4 synchronous multiplexings constitute STM-16, and four STM-16 synchronous multiplexings constitute STM-64, very
STM-256 is constituted to four STM-64 synchronous multiplexings；SDH carries information using block-like frame structure, every frame by longitudinal 9 rows and
Laterally 270 × N column byte composition, each byte (bit) containing 8 bits, entire frame structure are divided into section overhead (Section
OverHead, referred to as SOH) area, STM-N net load area and three, the area region Administrative Unit Pointer (AU PTR), middle section is opened
Area in which the goods are in great demand is mainly used for operation, management, maintenance and the assignment of network to guarantee that information normally can be transmitted neatly, it is divided into again again
Raw section overhead (Rege nerator Section OverHead, referred to as RSOH) and multiplex section overhead (Multiplex
Section OverHead, referred to as MSOH)；Net load area is used to store really for the bit of information service and a small amount of use
In the Path Overhead byte of channel maintenance management；Administrative Unit Pointer is used to refer to the information first byte in net load area in STM-
Net load can be properly separated when accurate location in N frame is to receive.
Compared with SDH, optical transport network (Optical Transport Network, referred to as OTN) has stronger group
Net ability has good scalability, supports a variety of upper-layer services or agreement, carries out fully transparent biography to client signal
It is defeated, plural serial stage connection monitoring (Tandem Connection Monitor, referred to as TCM) function and stronger forward direction are provided
Error correcting capability, at the same OTN can also be provided with wavelength-division multiplex (Wavelength Division Multiplexing, referred to as
WDM) same high bandwidth.Therefore, OTN will become the main networking technology of next-generation transmission network, especially backbone layer.OTN exists
The technical advantage of SDH is not only absorbed in terms of electrical domain, also extends new function.Based on light data unit K (Optical
Channel Data Unit-k, referred to as ODUK) interleaving function circuit switching granularity is increased to by the 155M of SDH
2.5G, 10G, 40G are also supported with outer forward error correction (Forward to realize the flexible dispatching and protection of services of large granularities
Error Correction, referred to as FEC), it supports to carry out multilayer, multiple-domain network cascade monitoring etc., using asynchronous system
Mapping and multiplexing, do not need Network Synchronization, crucial intersection can use most economical spatial division technology.OTN compatible to SD H, asynchronous biography
Defeated mode, (Asynchronous Transfer Mode, referred to as ATM) business can bearer network agreement/multiprotocol label friendship
Change (Internet Protocol/Multi-Protocol Label Switching, referred to as IP/MPLS), storage area network
The services of large granularities such as network (Storage Area Network, referred to as SAN), video (Video).
In a transport network such as, the network structures such as ONT and SDH are all using blocky frame as transport vehicle, this bulk frame
With fixed frame length, ONT and SDH can be monitored higher order path and low order channel by Path Overhead byte.But in reality
Border is in use, due to that may access certain form of access device in user side, but there is no practical accessing user's business, lead
Cause the expense in OTN or SDH frame all normal, but practical upper channel does not use, payload is sky.Operator is generally difficult to grasp logical
The service condition of the service condition in road, especially low order channel leads to the waste in channel.
Aiming at the problem that operator in the related technology is difficult to accurately know the service condition in channel and channel is caused to waste, mesh
It is preceding not yet to propose solution.
Summary of the invention
The present invention provides a kind of determination method and devices of channel status, difficult at least to solve operator in the related technology
The problem of causing channel to waste accurately to know the service condition in channel.
According to an aspect of the invention, there is provided a kind of determination method of channel status, comprising: will be in current transmission frame
First frame payload area payload data and the second frame in a upper transmission frame nearest apart from the current transmission frame
The payload data of payload area is compared, wherein position of the first frame in the current transmission frame and described second
Position of the frame in a upper transmission frame is corresponding；Comparison result be the first frame payload area payload data with
In the identical situation of payload data of the payload area of second frame, the state for being used for transmission the channel of the first frame is determined
For non-bearer service.
Optionally, when the current transmission frame is synchronous transfer mode N grades of STM-N frame, the method also includes passing through
The first frame as described in determining under type: the STM-N frame is demultiplexing as N number of STM-1 frame；It determines in N number of STM-1 frame
One STM-1 frame is the first frame.
Optionally, the method also includes being determined as follows the position of the payload area of the first frame: determining
The type of the first frame；The position of the payload area of the first frame is determined according to the type of the first frame.
Optionally, the position that the payload area of the first frame is determined according to the type of the first frame includes: when described
When the type of first frame is AU-4, the first frame is parsed to obtain the Administrative Unit Pointer AU- in the first frame
The position of PTR；The position for determining the AU-PTR is the position of the payload area of the first frame；When the type of the first frame
When for TU-3, the first frame is parsed to obtain the position of the VC-3 in the first frame；Determine the position of the VC-3
It is set to the position of the payload area of the first frame；When the type of the first frame is TU-12, the first frame is solved
It analyses to obtain the position of the VC-12 in the first frame；The position for determining the VC-12 is the payload area of the first frame
Position.
Optionally, when the current transmission frame is OTU frame, the method also includes being determined as follows described
The position of the payload area of first frame: the map type of the first frame is determined；It is determined according to the map type of the first frame
The position of the payload area of the first frame.
Optionally, the position that the payload area of the first frame is determined according to the map type of the first frame includes: to work as
When the map type of the first frame is synchronization map, the position of the payload area of the first frame is positioned according to byte count；
When the map type of the first frame is asynchronous mapping, the first frame is determined according to positive justification section byte and negative justification byte
Payload area position.
According to another aspect of the present invention, a kind of determining device of channel status is additionally provided, comprising: comparison module,
For by the payload data of the payload area of the first frame in current transmission frame with apart from the current transmission frame it is nearest upper one
The payload data of the payload area of the second frame in transmission frame is compared, wherein the first frame is in the current transmission frame
In position it is corresponding with position of second frame in a upper transmission frame；First determining module, in the ratio
Compared with the payload of the payload area of the payload data and second frame for the payload area that the comparison result of module is the first frame
In the identical situation of data, determine that the state for being used for transmission the channel of the first frame is non-bearer service.
Optionally, described device further includes the second determining module, for being synchronous transfer mode when the current transmission frame
When N grades of STM-N frames, pass through the first frame as described in determining lower unit: the first demultiplexing unit, for demultiplexing the STM-N frame
With for N number of STM-1 frame；First determination unit, for determining that a STM-1 frame in N number of STM-1 frame is described first
Frame.
Optionally, described device further includes third determining module, for by as lower unit determination as described in first frame it is net
The position in lotus region: the second determination unit, for determining the type of the first frame；Third determination unit, for according to
The type of first frame determines the position of the payload area of the first frame.
Optionally, the third determination unit includes: the first determining subelement, is for the type when the first frame
When AU-4, the first frame is parsed to obtain the position of the Administrative Unit Pointer AU-PTR in the first frame；It determines
The position of the AU-PTR is the position of the payload area of the first frame；Second determines subelement, for working as the first frame
Type be TU-3 when, the first frame is parsed to obtain the position of the VC-3 in the first frame；Determine the VC-
3 position is the position of the payload area of the first frame；Third determines subelement, is for the type when the first frame
When TU-12, the first frame is parsed to obtain the position of the VC-12 in the first frame；Determine the position of the VC-12
It is set to the position of the payload area of the first frame.
Optionally, described device further includes the 4th determining module, for passing through when the current transmission frame is OTU frame
The position of the payload area of first frame as described in determining lower unit: the 4th determination unit, for determining the mapping of the first frame
Type；5th determination unit, the position of the payload area for determining the first frame according to the map type of the first frame.
Optionally, the 5th determination unit includes: locator unit, is same for the map type when the first frame
When step mapping, the position of the payload area of the first frame is positioned according to byte count；4th determines subelement, for when described
When the map type of first frame is asynchronous mapping, the payload of the first frame is determined according to positive justification section byte and negative justification byte
The position in region.
Through the invention, work as using by the payload data of the payload area of the first frame in current transmission frame with apart from described
The payload data of the payload area of the second frame in the nearest upper transmission frame of preceding transmission frame is compared, wherein described first
Frame is corresponding with position of second frame in a upper transmission frame in the position in the current transmission frame；Comparing knot
Fruit is the payload data of the payload area of the first frame situation identical as the payload data of payload area of second frame
Under, determine that the state for being used for transmission the channel of the first frame is the method for non-bearer service, by comparing in current transmission frame
First frame payload data it is whether identical as the frame payload data of corresponding position in a upper transmission frame, to judge transmission
The state in the channel of one frame solves operator in the related technology and is difficult to accurately know the service condition in channel and cause channel unrestrained
The problem of taking, and then achieved the effect that the accuracy rate for the service condition for improving the channel known.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the determination method of channel status according to an embodiment of the present invention；
Fig. 2 is the structural block diagram of the determining device of channel status according to an embodiment of the present invention；
Fig. 3 is the preferred structure block diagram one of the determining device of channel status according to an embodiment of the present invention；
Fig. 4 is the preferred structure block diagram two of the determining device of channel status according to an embodiment of the present invention；
Fig. 5 is the structural block diagram of third determination unit 46 in the determining device of channel status according to an embodiment of the present invention；
Fig. 6 is the preferred structure block diagram three of the determining device of channel status according to an embodiment of the present invention；
Fig. 7 is the structural block diagram of the 5th determination unit 66 in the determining device of channel status according to an embodiment of the present invention；
Fig. 8 is the Structure and Process block diagram of the device of according to embodiments of the present invention one sense channel service condition；
Fig. 9 is the flow chart of the method for according to embodiments of the present invention one sense channel service condition；
Figure 10 is the structural block diagram of the determining device of the service condition according to embodiments of the present invention two channel SDH；
Figure 11 is the frame structure schematic diagram of STM-N frame；
Figure 12 is SDH multiplexing frame mapping structure figure in the channel SDH；
Figure 13 is the structural block diagram of the determining device of the service condition according to embodiments of the present invention three channel OTN；
Figure 14 is OTN frame structure schematic diagram (G.709 frame)；
Figure 15 is OTN multiplex mapping structure figure.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.
A kind of determination method of channel status is provided in the present embodiment, and Fig. 1 is channel according to an embodiment of the present invention
The flow chart of the determination method of state, as shown in Figure 1, the process includes the following steps:
Step S102, by the payload data of the payload area of the first frame in current transmission frame with apart from current transmission frame most
The payload data of the payload area of the second frame in a close upper transmission frame is compared, wherein first frame is in current transmission frame
In position it is corresponding with position of second frame in a upper transmission frame；
Step S104, the payload area that comparison result is first frame payload data and the payload area of the second frame it is net
In the identical situation of lotus data, determine that the state for being used for transmission the channel of first frame is non-bearer service.
Through the above steps, whether the payload data for comparing the first frame in current transmission frame is corresponding to a upper transmission frame
Whether the frame payload data of position identical, come judge transmit first frame channel state, solve operator in the related technology
It is difficult to the problem of accurately knowing the service condition in channel and channel is caused to waste, has reached the service condition for improving the channel known
Accuracy rate effect, and then improve the service efficiency in channel, save operation cost.
In an alternative embodiment, when current transmission frame is synchronous transfer mode N grades of STM-N frame, the above method
It can also include, be determined as follows first frame: STM-N frame is demultiplexing as N number of STM-1 frame；Determine N number of STM-1 frame
In a STM-1 frame be first frame.In the alternative embodiment, since the STM-1 frame transmitted in the channel is to be multiplexed into
Existing for the form of STM-N, the payload data to STM-1 frame whether with the payload data of previous STM-1 frame it is whether identical into
When row multilevel iudge, need to demultiplex into STM-N frame into N number of STM-1 frame.
In an alternative embodiment, the position of the payload area of first frame can be determined as follows: being determined
The type of first frame；The position of the payload area of first frame is determined according to the type of first frame.In the alternative embodiment, pass through
After STM-N frame is demultiplexing as N number of STM-1 frame, the position of payload area in STM-1 frame can be determined by the type of STM-1 frame
It sets.
In another alternative embodiment, determine that the position of the payload area of first frame can be with according to the type of first frame
It include: to be parsed to first frame when the type of first frame is AU-4 to obtain the Administrative Unit Pointer AU- in first frame
The position of PTR；The position for determining AU-PTR is the position of the payload area of first frame；It is right when the type of first frame is TU-3
First frame is parsed to obtain the position of the VC-3 in first frame；The position for determining VC-3 is the position of the payload area of first frame
It sets；When the type of first frame is TU-12, first frame is parsed to obtain the position of the VC-12 in first frame；It determines
The position of VC-12 is the position of the payload area of first frame.In the alternative embodiment, the type of first frame can for AU-4,
TU-3, TU-12 find the position of pointer corresponding with the type according to different first frame types, and being determined according to pointer should
The position of the payload data of the first frame of type.
In an alternative embodiment, when current transmission frame is OTU frame, the determination method of channel status can also be wrapped
It includes, is determined as follows the position of the payload area of first frame: determining the map type of first frame；According to reflecting for first frame
Penetrate the position that type determines the payload area of first frame.In the alternative embodiment, current transmission frame can be OTU frame, according to
The position of the payload data of the available OUT frame of the map type of OTU frame.
In another alternative embodiment, determine that the position of the payload area of first frame can according to the map type of first frame
To include: the position for positioning the payload area of first frame according to byte count when the map type of first frame is synchronization map；
When the map type of first frame is asynchronous mapping, the payload section of first frame is determined according to positive justification section byte and negative justification byte
The position in domain.In the alternative embodiment, the mapping mode of OUT frame can be synchronization map or asynchronous mapping, according to difference
Mapping mode, the method for the position of the payload data of the available different determinations OUT frame.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical solution of the present invention is substantially in other words to existing
The part that technology contributes can be embodied in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
Additionally provide a kind of determining device of channel status in the present embodiment, the device for realizing above-described embodiment and
Preferred embodiment, the descriptions that have already been made will not be repeated.As used below, predetermined function may be implemented in term " module "
The combination of the software and/or hardware of energy.It is hard although device described in following embodiment is preferably realized with software
The realization of the combination of part or software and hardware is also that may and be contemplated.
Fig. 2 is the structural block diagram of the determining device of channel status according to an embodiment of the present invention, as shown in Fig. 2, the device
Including comparison module 22 and the first determining module 24, the device is illustrated below.
Comparison module 22, for the payload data of the payload area of the first frame in current transmission frame and distance to be worked as forward pass
The payload data of the payload area of the second frame in the nearest upper transmission frame of defeated frame is compared, wherein first frame is current
Position in transmission frame is corresponding with position of second frame in a upper transmission frame；First determining module 24, is connected to and compares mould
Block 22, for the payload data for the payload area that the comparison result in comparison module 22 is first frame and the payload area of the second frame
The identical situation of payload data under, determine be used for transmission first frame channel state be non-bearer service.
Fig. 3 is the preferred structure block diagram one of the determining device of channel status according to an embodiment of the present invention, as shown in figure 3,
The device further includes the second determining module 32, is illustrated below to the device other than including all modules shown in Fig. 2.
Second determining module 32, is connected to comparison module 24, including 34 and first determination unit 36 is applied alone in the first demultiplexing,
For being demultiplexed by first and 32 and first determination unit being applied alone when current transmission frame is synchronous transfer mode N grade STM-N frame
34 determine first frame, are illustrated below to second determining module 24.
First demultiplexing unit 34, for STM-N frame to be demultiplexing as N number of STM-1 frame；First determination unit 36, connection
To the first demultiplexing unit 34, for determining that a STM-1 frame in N number of STM-1 frame is first frame.
Fig. 4 is the preferred structure block diagram two of the determining device of channel status according to an embodiment of the present invention, as shown in figure 4,
The device further includes third determining module 42, is illustrated below to the device other than including all modules shown in Fig. 3.
Third determining module 42 is connected to the second determining module 32 and comparison module 22, including 44 He of the second determination unit
Third determination unit 46, the position of the payload area for determining first frame by the second determination unit 44 and third determination unit 46
It sets, the third determining module 42 is illustrated below.
Second determination unit 44, for determining the type of first frame；Third determination unit 46 is connected to the second determination unit
44, the position of the payload area of first frame is determined for the type according to first frame.
Fig. 5 is the structural block diagram of third determination unit 46 in the determining device of channel status according to an embodiment of the present invention,
As shown in figure 5, the third determination unit 46 includes that the first determining subelement 52, second determines that subelement 54 and third determine that son is single
Member 56, is below illustrated the third determination unit 46.
First determines subelement 52, for being parsed to first frame to obtain the when the type of first frame is AU-4
The position of Administrative Unit Pointer AU-PTR in one frame；The position for determining AU-PTR is the position of the payload area of first frame；The
Two determine subelement 54, for being parsed to first frame to obtain the VC- in first frame when the type of first frame is TU-3
3 position；The position for determining VC-3 is the position of the payload area of first frame；Third determines subelement 56, for working as first frame
Type be TU-12 when, first frame is parsed to obtain the position of the VC-12 in first frame；The position for determining VC-12 is
The position of the payload area of first frame.
Fig. 6 is the preferred structure block diagram three of the determining device of channel status according to an embodiment of the present invention, as shown in fig. 6,
The device further includes the 4th determining module 62, is illustrated below to the device other than including all modules shown in Fig. 2.
4th determining module 62 is connected to comparison module 22, including the 4th determination unit 64 and the 5th determination unit 66, uses
In when current transmission frame is OTU frame, the payload section of first frame is determined by the 4th determination unit 64 and the 5th determination unit 66
The position in domain is below illustrated the 4th determining module 62.
4th determination unit 64, for determining the map type of first frame；5th determination unit 66 is connected to the 4th and determines
Unit 64 determines the position of the payload area of first frame for the map type according to first frame.
Fig. 7 is the structural block diagram of the 5th determination unit 66 in the determining device of channel status according to an embodiment of the present invention,
As shown in fig. 7, the 5th determination unit 66 includes that locator unit 72 and the 4th determine subelement 74, determined below to the 5th
Unit 66 is illustrated.
Locator unit 72, for positioning first according to byte count when the map type of first frame is synchronization map
The position of the payload area of frame；4th determine subelement 74, for when the map type of first frame be asynchronous mapping when, according to just
Adjustment section byte and negative justification byte determine the position of the payload area of first frame.
The preferred embodiment of the determination method and device of channel status of the present invention is given below.
Embodiment one
The embodiment of the present invention one the technical problem to be solved is that: overcome transmission channel existing in the prior art using feelings
Condition operator is difficult to the problem of grasping, channel is caused to waste and defect, provides the method and dress of a kind of sense channel service condition
Set (the determination method and device of i.e. above-mentioned channel status).
The embodiment of the present invention one uses following technical scheme:
Fig. 8 is the Structure and Process block diagram of the device of according to embodiments of the present invention one sense channel service condition, such as Fig. 8 institute
Show, the apparatus may include receiving modules 82 (being equivalent to the second determining module 32 in above-described embodiment), payload locating module
84 (being equivalent to third determining module 42 and the 4th determining module 62 in above-described embodiment), payload memory module 86 and payload compare
Module 88 (being equivalent to comparison module 22 and the first determining module 24 in above-described embodiment) is with lower module:
Receiving module 82: framing, demultiplexing, descrambling etc. are used for；
Payload locating module 84: being connected to receiving module 82, for parsing Overhead, the position of positioning payload in the channel
It sets；
Payload memory module 86: being connected to payload locating module 84, for the payload part parsed to be stored in RAM；
Payload comparison module 88: being connected to RAM and payload locating module 84, for reading in previous frame from RAM
Payload is compared with current frame data, if comparison result is identical, is judged as non-bearer service in current channel；If compared
As a result different, judged further according to actual conditions.
Based on the device of Fig. 8 sense channel service condition provided, Fig. 9 is according to embodiments of the present invention one sense channel
The flow chart of the method for service condition, as shown in figure 9, the method that the embodiment of the present invention one detects transmission channel service condition includes
Following steps:
Step S902: framing module (i.e. above-mentioned receiving module 82) finds rising for frame according to the frame alignment expense in blocky frame
Beginning position, so that it is determined that in frame each byte position.
Step S904: in payload locating module 84, according to overhead byte, the specific position of payload in the channel is parsed
It sets.
Step S906: payload memory module 86 stores the payload extracted into RAM according to byte order.
Step S908: payload comparison module 88 by present frame bytes of payload and RAM in the previous frame byte that stores into
Row compares, and exports comparison result.If comparison result is identical, it is judged as non-bearer service in current channel, and result is given
CPU module prompts current channel unloaded data；If comparison result is different, judged further according to actual conditions.
The utility model has the advantages that compared with the relevant technologies, being achieved in tube channel using the method and apparatus of the embodiment of the present invention one
Reason aspect progress, has achieved the effect that operator is allowed to better grasp channel service condition, has saved operation cost, improved logical
The service efficiency in road.
Embodiment two
The embodiment of the present invention two is determined with regard to the service condition in the channel SDH.
Figure 10 is the structural block diagram of the determining device of the service condition according to embodiments of the present invention two channel SDH, is such as schemed
Shown in 10, the device includes: SDH receiving module 102, AU-4 pointer parsing module 1042, VC-4 number in the embodiment of the present invention two
According to memory module 1062, VC-4 data memory module 1082, TU-3 pointer parsing module 1044, VC-3 data memory module
1064, VC-3 data comparison modules 1084, TU-12 pointer parsing module 1046, VC-12 data memory module 1066, VC-12 number
According to comparison module 1086.Wherein, SDH receiving module 102 includes framing unit, demultiplexing unit, Descrambling unit.
Device according to Fig.10, the process of the determination method of the service condition in the channel SDH of the embodiment of the present invention two
It is as follows:
STM-N frame enters after the device of the embodiment of the present invention two, initially enters the framing unit of SDH receiving module 102.
Framing unit determines the position of STM-N frame head according to A1A2 byte.A1, A2 have fixed value, that is, have fixed bit diagram
Case, A1:11110110 (f6H), A2:00101000 (28H).Each byte in signal stream is detected, when 3N continuously occurs in discovery
A f6H, and when followed by there is 3N 28H byte (A1 and A2 byte respectively has 3 in STM-1 frame), just conclude and now begins to
A STM-N frame is received, receiving end is separated by positioning the starting point of each STM-N frame to distinguish different STM-N frames to reach
The purpose of different frame, as N=1, differentiation is STM-1 frame.Fp signal and the last one A1 will be generated in this framing unit
Byte-aligned, the instruction as demultiplexing unit frame head below.
Then the signal stream after framing cell processing will enter demultiplexing unit.Figure 11 is that the frame structure of STM-N frame shows
It is intended to, as shown in Figure 11, the signal of STM-N frame is 9 row × 270 × N column frame structure.N herein is consistent with the N of STM-N,
Value range: Isosorbide-5-Nitrae, 16,64 ... indicate that this signal is formed by N number of STM-1 signal by byte intertexture division multiplexing.It follows that
The frame structure of STM-1 signal is the blocky frame of 9 rows × 270 column, it can be seen from Fig. 11 that when N number of STM-1 signal is interleave again by byte
When at STM-N signal, the column of STM-1 signal are only pressed into byte intertexture division multiplexing, constant line number is 9 rows.It is single in demultiplexing
STM-N frame will be demultiplexed as N number of STM-1 frame in member, be separately processed in Descrambling unit below.
Then the signal stream that demultiplexed cell processing is crossed enters Descrambling unit, in SDH, originator use scrambling code be for
Anti- stop signal in the transmission occur long even " 0 " or it is long even " 1 ", be easy to receiving end and extract timing information from signal.Therefore it is receiving
End needs to carry out descrambling code to signal.ITU-T has standardized the scrambling mode to NRZ code, using 7 grades of scramblers of standard, scrambling code
Generator polynomial is 1+X6+X7, a length of 27-1=127 of scrambler sequence (position).The advantages of this mode is: pattern is most simple, no
Increase line signal rate, there is no optical power cost, without coding, originator needs a scrambler, and receiving end is using same mark
Quasi- descrambler originating traffic ready to receive realizes the optical path interconnection of more plant equipment environment.Descrambling unit will be to except the first row
All bytes in addition are descrambled.
Then through Descrambling unit, treated that signal enters AU-4 pointer parsing module 1042, managing pointer unit
The position of (Administration unit-Pointer, referred to as AU-PTR) arranges totally 9 words in the 4th row 1-9 of STM-1 frame
Section, to indicate specific location of the first byte J1 in AU-4 net load of VC4, so that receiving end can properly separate VC4 accordingly.This
AU-4 pointer parsing module 1042 calculates specific location of the VC-4 in AU-4 according to H1, H2 byte.And generate pl_au4 letter
Number it is supplied to position of the VC-4 data memory module 1062 to indicate VC-4 payload.Figure 12 is that SDH multiplexing frame reflects in the channel SDH
Structure chart is penetrated, as shown in figure 12, in a VC-4 data, what may be carried is VC-4 data, it is also possible to carry 3 VC-3
Data or 63 VC-12 data.AU-4 pointer parsing module 1042 can extract H4 byte simultaneously, if subsequent TU-12
Pointer parsing module 1046 needs to analyze TU-12, and H4 byte is needed to provide multiframe.
Then, after the processed signal of AU-4 pointer parsing module 1042 enters VC-4 memory module 1062, according to AU-
The pl_au4 signal that 4 pointer parsing modules 1042 provide the payload of VC-4 is written in RAM1, random access memory
(Random Access Memory, referred to as RAM) 1 is controlled by the way of paging, and two pages are alternately read-write behaviour respectively
Make, when a page carries out write operation, another page carries out read operation.It is used in this RAM1 and later module
Field programmable gate array (Field-Programmable Gate Array, referred to as FPGA) can be used in RAM2, RAM3
External synchronization static random access memory (Synchronous Static Random also can be used in internal RAM
Access Memory, referred to as SSRAM), synchronous DRAM (Synchronous Dynamic Random
Access Memory, referred to as SDRAM) etc. external RAMs.
Then the VC-4 data that previous frame will be read out from RAM1 in VC-4 data comparison module 1082, by this data
It is compared with current data.If comparison result is identical, indicate current channel carrying is VC-4 particle, and VC-4 particle
In do not carry valid data.Indication signal is generated at this time and gives CPU module, indicates that VC-4 does not carry valid data.If
Comparison result is different, and illustrate that current channel may carry is to have carried significant figure in TU-3 or TU-12 particle or VC-4 particle
According to.Further data will be handled.
Next it needs to analyze the data of low order channel, TU-3 pointer parsing module 1044 will be entered first.In
Add the pointer of 3 bytes (H1H2H3) on the frame of VC3 -- TU-3 Tributary unit pointer (Tributary Unit
3Pointer, referred to as TU-3 pointer offset range are 0~764, if the pointer parsed is greater than 764, then it is assumed that extract
Invalid TU-3 pointer illustrates that is loaded may be the particle of TU-12, then directly carries out the pointer parsing of TU-12.If extracted
To valid pointer, TU-3 pointer parsing module 1044 will parse the specific location of VC-3 according to TU-3 pointer.And generate pl_
Tu3 signal is supplied to position of the VC-3 data memory module 1064 to indicate VC-3 payload.
VC-3 data memory module 1064 is according to the pl_tu3 signal provided in TU-3 pointer parsing module 1044, by VC-3
Payload write-in RAM2 in, RAM2 is controlled using paging by the way of, two pages respectively replace does read-write operation, when a page
When carrying out write operation, another page carries out read operation.
Later, in VC-3 data comparison module 1084, VC-3 data comparison module 1084 will be from reading out in RAM2
This data is compared by the VC-3 data of one frame with current data.If comparison result is identical, current channel carrying is indicated
Be VC-3 particle, and do not carry valid data in VC-3 particle.Indication signal is generated at this time and gives CPU module, is indicated
VC-3 does not carry valid data out.If comparison result is different, illustrate to have carried valid data in VC-3 particle.
If necessary to parse to the pointer of TU-12, then enter TU-12 pointer parsing module 1046.TU pointer to
Specific location of the first byte V5 of VC12 in TU-12 net load is indicated, so that receiving end can properly separate out VC12.TU-12 refers to
Needle provides flexible dynamic method for positioning of the VC12 in TU-12 multi-frame.The position of TU-PTR is located at TU-12 multi-frame
At V1, V2, V3, V4.TU-12 pointer parsing module 1046 parses the payload of VC-12 according to pointer value.And generate pl_tu12
Signal is supplied to position of the VC-12 data memory module 1066 to indicate VC-12 payload.
VC-12 data memory module 1066, will according to the pl_tu12 signal provided in TU-12 pointer parsing module 1046
In the payload write-in RAM3 of VC-12, RAM3 is controlled by the way of paging, and two pages alternately do read-write operation respectively, when one
When a page carries out write operation, another page carries out read operation.
In VC-12 data comparison module 1086, VC-12 data comparison module 1086 will read out previous frame from RAM3
VC-12 data, this data is compared with current data.If comparison result is identical, current channel carrying is indicated
It is VC-12 particle, and do not carry valid data in VC-12 particle.Indication signal is generated at this time and gives CPU module, is indicated
VC-12 does not carry valid data out.If comparison result is different, illustrate to have carried valid data in VC-12 particle.
Embodiment three
The embodiment of the present invention three by taking OTN transmission channel as an example, to the method and apparatus of the service condition of OTN transmission channel into
Row explanation.
Figure 13 is the structural block diagram of the determining device of the service condition according to embodiments of the present invention three channel OTN, is such as schemed
Shown in 13, the device of the embodiment three includes: OTU1 frame receiving module 132, OPU1 locating module 134, OPU1 memory module 136
With OPU1 comparison module 138, being illustrated to the device below.
OTU1 frame receiving module 132, including framing unit, for being received to OTU1 frame, framing；
OPU1 locating module 134 is connected to OTU1 frame receiving module 132, determines for the payload position to OPU1 frame
Position；
OPU1 memory module 136 is connected to OPU1 locating module 134 and RAM, for depositing the payload data in OPU1 frame
It stores up in RAM；
OPU1 comparison module 138 is connected to OPU1 locating module 134 and OPU1 memory module 136, and being used for will be from RAM
This data is compared by the payload data for reading out previous frame with current data, if comparison result is identical, indicates current
Channel does not carry valid data.Indication signal is generated at this time and gives CPU module, indicates that channel does not carry valid data.Such as
Fruit comparison result is different, illustrates to have carried valid data in current channel.
The channel OTN of the determining device of the service condition in the channel OTN according to shown in Figure 13, the embodiment of the present invention three uses
The process of the determination method of situation is as follows:
OTU1 frame enters after the device of the embodiment of the present invention three, initially enters the framing list of OTU1 frame receiving module 132
Member.Framing unit determines the position of frame head according to frame alignment overhead byte.Figure 14 is OTN frame structure schematic diagram (G.709 frame),
OA1, OA2 have fixed value, that is, have fixed bit pattern, OA1:11110110 (f 6H), OA2:00101000
(28H).Each byte in signal stream is detected, when 3 f6H continuously occurs in discovery, and 3 28H bytes followed by occurs, just
Conclude and now begin to receive a frame, receiving end separates difference to distinguish different frames by positioning the starting point of each frame to reach
The purpose of frame will generate fp signal and the last one A1 byte-aligned, as 134 frame of OPU1 locating module below in this module
The instruction of head.
Then enter OPU1 locating module 134, OPU1 locating module through the processed signal of OTU1 frame receiving module 132
134 judge to be synchronization map or asynchronous mapping according to JC byte, are directly oriented according to byte count if it is synchronization map
The position of payload, if calculating payload position according to positive justification byte and negative justification byte using asynchronous mapping.Generate pl letter
Number give payload memory module.
After the processed signal of OPU1 locating module 134 enters OPU1 memory module 136, OPU1 memory module 136
According to the pl signal that OPU1 locating module 134 provides, payload is written in RAM, RAM is controlled by the way of paging, two pages
Read-write operation is alternately done respectively in face, and when a page carries out write operation, another page carries out read operation.This RAM and
The RAM used in module later can be used the RAM inside FPAG also and external SSRAM, the external RAMs such as SDRAM can be used.
Then, in OPU1 comparison module 138, OPU1 comparison module 138 will read out the payload number of previous frame from RAM
According to this data is compared with current data.If comparison result is identical, indicate that current channel does not carry significant figure
According to.Indication signal is generated at this time and gives CPU module, indicates that channel does not carry valid data.If comparison result is different, explanation
Valid data have been carried in current channel.Figure 15 is OTN multiplex mapping structure figure.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Following manner realization is crossed, but not limited to this: above-mentioned module is respectively positioned in same processor；Alternatively, above-mentioned module be located at it is more
In a processor.
The embodiments of the present invention also provide a kind of storage mediums.Optionally, in the present embodiment, above-mentioned storage medium can
To be arranged to store the program code for executing following steps:
S1, by the payload data of the payload area of the first frame in current transmission frame with apart from nearest upper of current transmission frame
The payload data of the payload area of the second frame in one transmission frame is compared, wherein position of the first frame in current transmission frame
It sets corresponding with position of second frame in a upper transmission frame；
S2, in the payload data of the payload area of the payload data and the second frame for the payload area that comparison result is first frame
In identical situation, determine that the state for being used for transmission the channel of first frame is non-bearer service.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk, read-only memory (Read-
Only Memory, referred to as ROM), RAM, mobile hard disk, the various media that can store program code such as magnetic or disk.
Optionally, in the present embodiment, processor executes above-mentioned S1- according to program code stored in storage medium
S2。
Optionally, the specific example in the present embodiment can be with reference to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of determination method of channel status characterized by comprising
By the payload data of the payload area of the first frame in current transmission frame with apart from the current transmission frame it is nearest upper one
The payload data of the payload area of the second frame in transmission frame is compared, wherein the first frame is in the current transmission frame
In position it is corresponding with position of second frame in a upper transmission frame；
In the payload number of the payload area of the payload data and second frame for the payload area that comparison result is the first frame
According in identical situation, the state in the determining channel for being used for transmission the first frame is non-bearer service.
2. the method according to claim 1, wherein when the current transmission frame is synchronous transfer mode N grades
When STM-N frame, the method also includes being determined as follows the first frame:
The STM-N frame is demultiplexing as N number of STM-1 frame；
Determine that a STM-1 frame in N number of STM-1 frame is the first frame.
3. according to the method described in claim 2, it is characterized in that, the method also includes being determined as follows described
The position of the payload area of first frame:
Determine the type of the first frame；
The position of the payload area of the first frame is determined according to the type of the first frame.
4. according to the method described in claim 3, it is characterized in that, determining the first frame according to the type of the first frame
The position of payload area includes:
When the type of the first frame is AU-4, the first frame is parsed to obtain the management list in the first frame
The position of first pointer AU-PTR；The position for determining the AU-PTR is the position of the payload area of the first frame；
When the type of the first frame is TU-3, the first frame is parsed to obtain the VC-3's in the first frame
Position；The position for determining the VC-3 is the position of the payload area of the first frame；
When the type of the first frame is TU-12, the first frame is parsed to obtain the VC-12 in the first frame
Position；The position for determining the VC-12 is the position of the payload area of the first frame.
5. the method according to claim 1, wherein the method is also when the current transmission frame is OTU frame
Including being determined as follows the position of the payload area of the first frame:
Determine the map type of the first frame；
The position of the payload area of the first frame is determined according to the map type of the first frame.
6. according to the method described in claim 5, it is characterized in that, determining described first according to the map type of the first frame
The position of the payload area of frame includes:
When the map type of the first frame is synchronization map, the payload area of the first frame is positioned according to byte count
Position；
When the map type of the first frame is asynchronous mapping, described the is determined according to positive justification section byte and negative justification byte
The position of the payload area of one frame.
7. a kind of determining device of channel status characterized by comprising
Comparison module, for by the payload data of the payload area of the first frame in current transmission frame and apart from the current transmission
The payload data of the payload area of the second frame in the nearest upper transmission frame of frame is compared, wherein the first frame is in institute
The position stated in current transmission frame is corresponding with position of second frame in a upper transmission frame；
First determining module, the payload data for the payload area that the comparison result in the comparison module is the first frame
In situation identical with the payload data of payload area of second frame, the shape for being used for transmission the channel of the first frame is determined
State is non-bearer service.
8. device according to claim 7, which is characterized in that described device further includes the second determining module, for working as institute
State current transmission frame be synchronous transfer mode N grade STM-N frame when, pass through lower unit determination as described in first frame:
First demultiplexing unit, for the STM-N frame to be demultiplexing as N number of STM-1 frame；
First determination unit, for determining that a STM-1 frame in N number of STM-1 frame is the first frame.
9. device according to claim 8, which is characterized in that described device further includes third determining module, for passing through
The position of the payload area of first frame as described in determining lower unit:
Second determination unit, for determining the type of the first frame；
Third determination unit, the position of the payload area for determining the first frame according to the type of the first frame.
10. device according to claim 9, which is characterized in that the third determination unit includes:
First determines subelement, for being parsed the first frame to obtain when the type of the first frame is AU-4
The position of Administrative Unit Pointer AU-PTR in the first frame；The position for determining the AU-PTR is the payload of the first frame
The position in region；
Second determines subelement, for being parsed the first frame to obtain when the type of the first frame is TU-3
The position of VC-3 in the first frame；The position for determining the VC-3 is the position of the payload area of the first frame；
Third determines subelement, for being parsed the first frame to obtain when the type of the first frame is TU-12
The position of VC-12 in the first frame；The position for determining the VC-12 is the position of the payload area of the first frame.
11. device according to claim 7, which is characterized in that described device further includes the 4th determining module, for working as
When the current transmission frame is OTU frame, pass through the position of the payload area of first frame as described in determining lower unit:
4th determination unit, for determining the map type of the first frame；
5th determination unit, the position of the payload area for determining the first frame according to the map type of the first frame.
12. device according to claim 11, which is characterized in that the 5th determination unit includes:
Locator unit, for when the map type of the first frame is synchronization map, according to byte count positioning described the
The position of the payload area of one frame；
4th determines subelement, for when the map type of the first frame is asynchronous mapping, according to positive justification section byte and
Negative justification byte determines the position of the payload area of the first frame.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1798145A (en) * | 2004-12-24 | 2006-07-05 | 华为技术有限公司 | Method for detecting payload carried by frame in synchronous optical network or synchronous digital hierarchy |
| CN101465706A (en) * | 2008-12-29 | 2009-06-24 | 华为技术有限公司 | Transmission method, device and system for synchronous numerical sequence signal |
| CN101729188A (en) * | 2008-10-14 | 2010-06-09 | 华为技术有限公司 | Method and device for sending and receiving mapping cost |
| CN103731223A (en) * | 2012-10-16 | 2014-04-16 | 中兴通讯股份有限公司 | Method and device for recovering clock |
Family Cites Families (4)
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| US7873732B2 (en) * | 2005-04-28 | 2011-01-18 | International Business Machines Corporation | Maintaining service reliability in a data center using a service level objective provisioning mechanism |
| CN101291179B (en) * | 2007-04-17 | 2011-03-23 | 华为技术有限公司 | Customer signal transmission method in optical transmitting network and related equipment |
| JP2010206741A (en) * | 2009-03-06 | 2010-09-16 | Hitachi Ltd | Network system |
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| CN1798145A (en) * | 2004-12-24 | 2006-07-05 | 华为技术有限公司 | Method for detecting payload carried by frame in synchronous optical network or synchronous digital hierarchy |
| CN101729188A (en) * | 2008-10-14 | 2010-06-09 | 华为技术有限公司 | Method and device for sending and receiving mapping cost |
| CN101465706A (en) * | 2008-12-29 | 2009-06-24 | 华为技术有限公司 | Transmission method, device and system for synchronous numerical sequence signal |
| CN103731223A (en) * | 2012-10-16 | 2014-04-16 | 中兴通讯股份有限公司 | Method and device for recovering clock |
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