CN106027194B - A kind of multigroup more members of SDH are across fine Virtual Concatenation implementation method, device and system - Google Patents
A kind of multigroup more members of SDH are across fine Virtual Concatenation implementation method, device and system Download PDFInfo
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- CN106027194B CN106027194B CN201511000745.9A CN201511000745A CN106027194B CN 106027194 B CN106027194 B CN 106027194B CN 201511000745 A CN201511000745 A CN 201511000745A CN 106027194 B CN106027194 B CN 106027194B
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 238000009432 framing Methods 0.000 claims description 8
- DWSYCUKCNSVBRA-UHFFFAOYSA-N 4-(5-methylsulfonyltetrazol-1-yl)phenol Chemical compound CS(=O)(=O)C1=NN=NN1C1=CC=C(C=C1)O DWSYCUKCNSVBRA-UHFFFAOYSA-N 0.000 abstract description 11
- 101710167643 Serine/threonine protein phosphatase PstP Proteins 0.000 abstract description 11
- 230000007257 malfunction Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 3
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- 238000011105 stabilization Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
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- 230000005501 phase interface Effects 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1611—Synchronous digital hierarchy [SDH] or SONET
- H04J3/1617—Synchronous digital hierarchy [SDH] or SONET carrying packets or ATM cells
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off
- H04J3/085—Intermediate station arrangements, e.g. for branching, for tapping-off for ring networks, e.g. SDH/SONET rings, self-healing rings, meashed SDH/SONET networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1652—Optical Transport Network [OTN]
- H04J3/167—Optical Transport Network [OTN] interaction with SDH/SONET, e.g. carrying SDH/SONET frames, interfacing with SDH/SONET
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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
- H04L47/50—Queue scheduling
- H04L47/62—Queue scheduling characterised by scheduling criteria
- H04L47/621—Individual queue per connection or flow, e.g. per VC
-
- 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
- H04J2203/0012—Switching modules and their interconnections
- H04J2203/0016—Crossbar
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- 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
- H04J2203/0089—Multiplexing, e.g. coding, scrambling, SONET
- H04J2203/0094—Virtual Concatenation
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides a kind of multigroup more members of SDH across fine Virtual Concatenation implementation method, device and system, with reduce the multigroup more members of SDH across fine Virtual Concatenation cost of implementation.The method includes：By the end to end composition channel ring of second interface of all intersection equipment with first interface and second interface；Any one in selected all intersection equipment with first interface and second interface intersects equipment as flow analyzing device；The flow of other first interfaces for intersecting equipment in addition to flow analyzing device is sent to respective second interface by respective internal Cross module.On the one hand technical solution provided by the invention can connect arbitrary intersection equipment, realization gathering and parse across fine Virtual Concatenation group member multiple enough；On the other hand, the stabilization of the fast quick-recovery circuit of energy；The third aspect, by whole system cluster rear end equipment probability of malfunction from P*N will be P*1；It can realize that the multigroup more members of SDH across fine Virtual Concatenation, reduce cost of implementation in the case of no MSTP equipment.
Description
Technical field
The invention belongs to the communications field more particularly to a kind of multigroup more members of SDH across fine Virtual Concatenation implementation method, device and
System.
Background technology
Synchronous transmission system (Synchronous Digital Hierarchy, SDH) agreement is at present in transmission side data
The transport protocol of face large-scale use.SDH circuits can be simply completed low rate circuit by time division multiplexing, de-multiplexing technique
Conversion between high-speed circuitry.As a kind of transport protocol, SDH circuits can carry various data services simultaneously, such as
Telephony data service, computer data business, POS, GFP, ATM, TUG and WAN business etc..
Generic Framing Procedure (Generic Framing Procedure, GFP) belongs to ITU-T G.7041 specifications, is one
The new encapsulation regulation of kind.In MSTP, traditional peer-peer protocol/High-level Data Link Control (PPP/ can be used by removing
HDLC), the Link Access Procedure on SDH (LAPS) as the tunneling of packet outside, GFP is a kind of new selecting party
Case.GFP has framing mapping and transparent mapped two ways can cope with the business of different demands respectively, framing mapping need by
Customer data, which caches, to be encapsulated into again in gfp frame structure, this mode is suitable for the business insensitive to time delay, shake；For
Those need the business of smaller time delay and higher efficiency of transmission, and transparent mapped mode may be used, i.e., directly by data from visitor
It takes out, is re-mapped into the fixed gfp frame structure of periodic, length in user data block.
In the frame structure of GFP, the protocol massages of GFP-ETH or GFP-PPP are usually carried, and GFP agreements permit
Perhaps the neatly channel of additions and deletions different bandwidth easily can carry out dilatation to carrying content or drop is held, and newly-increased single
Channel can be put into the mode of Virtual Concatenation (Virtual Concatenation, VC) in frame structure, and single channel is the void of VC
Cascade member.
When being used in terms of data interception, if the cascade structure and protocol type without operator's circuit are supported, link
Virtual Concatenation member in the VC of channel may pass through (Multi-Service Transmission Platform, MSTP) equipment
It is broken up and is rebuild in carrier side, same group of VC member is dispersed in multifiber equipment.As snooping equipment, if
The Virtual Concatenation member for parsing dispersion then needs to increase a MSTP equipment, more fibres is accessed simultaneously, analyze Virtual Concatenation
Across fine mode, and send to rear end equipment, gathered one group of Virtual Concatenation member in rear end equipment, and parse and carried in GFP
After message, then it is sent to MSTP equipment, is broken up again according to original mode.
Above-mentioned existing scheme uses expensive MSTP equipment due to needing so that the multigroup more members of SDH are across fine empty
It is very high that cascade implements cost, and after the carrier network environmental change of front end, MSTP equipment is also required to reconfigure, so
And it is an extremely complex process again to configure MSTP equipment, not only human cost is high, but also is also easy to malfunction.
Invention content
The purpose of the present invention is to provide a kind of multigroup more members of SDH across fine Virtual Concatenation implementation method, device and system, with
Cost of implementation of the reduction multigroup more members of SDH across fine Virtual Concatenation.
First aspect present invention provides a kind of multigroup more members of SDH across fine Virtual Concatenation implementation method, the method includes：
By the end to end composition channel ring of second interface of all intersection equipment with first interface and second interface, institute
It states first interface with line side to be connected, receives the corresponding flow input of Virtual Concatenation member, the second interface is and system side phase
Interface even；
Any one in selected all intersection equipment with first interface and second interface intersects equipment conduct
Flow analyzing device；
The flow of other first interfaces for intersecting equipment in addition to the flow analyzing device is passed through into respective inside
Cross module is sent to respective second interface.
Across fine Virtual Concatenation realization device, described device includes a kind of multigroup more members of SDH of second aspect of the present invention offer：
Channel ring constitutes module, for the second interface of all intersection equipment with first interface and second interface is first
Tail, which connects, constitutes channel ring, and the first interface is connected with line side, receives the corresponding flow of Virtual Concatenation member and inputs, and described the
Two interfaces are the interfaces being connected with system side；
Flow analyzing device chosen module, for selecting all intersection equipment with first interface and second interface
In any one intersect equipment as flow analyzing device；
Flow delivery module, the stream of the first interface for other intersection equipment that will be in addition to the flow analyzing device
Amount is sent to respective second interface by respective internal Cross module.
A kind of multigroup more members of SDH of second aspect of the present invention offer realize system across fine Virtual Concatenation, if the system comprises
The dry intersection equipment with first interface and second interface；All intersection equipment with first interface and second interface
The end to end composition channel ring of second interface, it is any one in all intersection equipment with first interface and second interface
A intersection equipment is as flow analyzing device, in addition to the intersection equipment for being chosen to be flow analyzing device, other intersections
The flow of the first interface of equipment is sent to respective second interface by respective internal Cross module.
It was found from aforementioned present invention technical solution, on the one hand, due to by all friendships with first interface and second interface
The end to end composition channel ring of second interface of equipment is pitched, therefore, can connect arbitrary and intersect equipment, realize multiple across fibre enough
Virtual Concatenation group member's gathers and parses；On the other hand, arbitrary in all intersection equipment with first interface and second interface
One intersects equipment and is selected as flow analyzing device, i.e., therefore all flows, which intersect analytic uniform in equipment at one, works as concatenation
After circuit breaks down, it is only necessary to by flow loopback in the flow analyzing device, then the automatic loopback of all flows, so as to fast
The stabilization of quick-recovery circuit；The third aspect, also because all flows intersect analytic uniform in equipment, device cluster at one
Processing is when fine flow, it is only necessary to which an equipment really parse and restore, therefore, by whole system cluster rear end equipment
Probability of malfunction from P*N will be P*1；To sum up, even if not having MSTP equipment, technical solution provided by the invention still realizes SDH
Multigroup more members across fine Virtual Concatenation, reduce the multigroup more members of SDH across fine Virtual Concatenation cost of implementation.
Description of the drawings
Fig. 1 is that the multigroup more members of SDH that the embodiment of the present invention one provides show across the implementation process of fine Virtual Concatenation implementation method
It is intended to；
Fig. 2-a are the interface distribution schematic diagrams of the four provided by Embodiment 2 of the present invention intersection equipment with double nip；
Fig. 2-b are the signals that four intersection equipment with double nip that the embodiment of the present invention three provides constitute channel ring
Figure；
Fig. 3-a are 9 VC members of the offer of the embodiment of the present invention four in exemplary four friendships with double nip of attached drawing 2-a
Pitch the distribution schematic diagram of the interface of equipment；
Fig. 3-b are 9 VC members that the embodiment of the present invention five provides has double nip for exemplary four by attached drawing 2-a
In the distribution schematic diagram of respective interface after the respective internal chiasma module intersection of intersection equipment；
Fig. 4 is structural schematic diagram of the multigroup more members of SDH across fine Virtual Concatenation realization device of the offer of the embodiment of the present invention six；
Fig. 5 is structural schematic diagram of the multigroup more members of SDH across fine Virtual Concatenation realization device of the offer of the embodiment of the present invention seven；
Fig. 6-a are structural representation of the multigroup more members of SDH across fine Virtual Concatenation realization device of the offer of the embodiment of the present invention eight
Figure；
Fig. 6-b are structural representation of the multigroup more members of SDH across fine Virtual Concatenation realization device of the offer of the embodiment of the present invention nine
Figure；
Fig. 7 is the structural schematic diagram that the multigroup more members of SDH that the embodiment of the present invention ten provides realize system across fine Virtual Concatenation.
Specific implementation mode
In order to make the purpose of the present invention, technical solution and advantageous effect be more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.
The embodiment of the present invention provides a kind of multigroup more members of SDH across fine Virtual Concatenation implementation method, the method includes：By institute
Have an end to end composition channel ring of the second interface of the intersection equipment with first interface and second interface, the first interface with
Line side is connected, and receives the corresponding flow input of Virtual Concatenation member, the second interface is the interface being connected with system side；It is selected
Any one in all intersection equipment with first interface and second interface intersects equipment as flow analyzing device；
The flow of other first interfaces for intersecting equipment in addition to the flow analyzing device is passed through into respective internal Cross module
It is sent to respective second interface.The embodiment of the present invention also provides the multigroup more members of corresponding SDH across fine Virtual Concatenation realization device
And system.It is described in detail separately below.
Attached drawing 1 is please referred to, is reality of the multigroup more members of SDH across fine Virtual Concatenation implementation method of the offer of the embodiment of the present invention one
Existing flow diagram, mainly includes the following steps that S101 to step S103：
S101, by the end to end composition channel of second interface of all intersection equipment with first interface and second interface
Ring.
In embodiments of the present invention, it is the intersection equipment for having double nip to intersect equipment, and each interface is respectively provided with flow
Transmitting terminal and receiving terminal.In order to distinguish, each two interfaces for intersecting equipment are referred to as first interface and second interface,
Wherein, first interface is connected with line side, receives the corresponding flow input of Virtual Concatenation member, and second interface is and system side phase
Interface even.
As one embodiment of the invention, by the second interface of all intersection equipment with first interface and second interface
End to end composition channel ring can be：Intersected with any one in all intersection equipment with first interface and second interface
Equipment has been that point device starts, and second that the transmitting terminal of each second interface for intersecting equipment is connected to another intersection equipment connects
Mouthful receiving terminal, wherein the receiving terminal of each second interface for intersecting equipment must receive and only receive intersection equipment
The connection of the transmitting terminal of second interface, or the transmitting terminal of each second interface for intersecting equipment must receive and only receive one
Intersect the connection of the receiving terminal of the second interface of equipment.
Below by taking four with the intersection equipment of first interface and second interface as an example, illustrate that there is first interface by all
With the end to end method for constituting channel ring of the second interface of the intersection equipment of second interface.It is four tools as shown in attached drawing 2-a
There is the intersection equipment of first interface and second interface, wherein two interfaces for intersecting equipment 1 are referred to as A1 and B1, A1 and line
Trackside is connected, and receives the corresponding flow input of Virtual Concatenation member, B1 is the interface being connected with system side, the transmitting terminal of A1 and reception
End is respectively TA1And RA1, the transmitting terminal and receiving terminal of B1 are respectively TB1And RB1；Two interfaces for intersecting equipment 2 are referred to as A2
And B2, A2 are connected with line side, receive the corresponding flow input of Virtual Concatenation member, B2 is the interface being connected with system side, A2's
Transmitting terminal and receiving terminal are respectively TA2And RA2, the transmitting terminal and receiving terminal of B2 are respectively TB2And RB2；Intersect equipment 3 two connect
Mouth is referred to as A3 and B3, and A3 is connected with line side, receives the corresponding flow input of Virtual Concatenation member, B3 is connected with system side
Interface, the transmitting terminal and receiving terminal of A3 are respectively TA3And RA3, the transmitting terminal and receiving terminal of B3 are respectively TB3And RB3；Intersection is set
Standby 4 two interfaces are referred to as A4 and B4, and A4 is connected with line side, receive the corresponding flow input of Virtual Concatenation member, and B4 is
The interface being connected with system side, the transmitting terminal and receiving terminal of A4 are respectively TA4And RA4, the transmitting terminal and receiving terminal of B2 are respectively TB4
And RB4。
Assuming that being point device to intersect equipment 1, then by the transmitting terminal T of B1B1With the receiving terminal R of B2B2Connection, by B2's
Transmitting terminal TB2With the receiving terminal R of B3B3Connection, by the transmitting terminal T of B3B3With the receiving terminal R of B4B4Connection, finally by the transmitting terminal of B4
TB4With the receiving terminal R of B1B1Connection then constitutes a channel ring, and as shown in attached drawing 2-b, the flow direction of flow is TB1→RB2→TB2
→RB3→TB3→RB4→TB4→RB1。
S102, any one selected in all intersection equipment with first interface and second interface intersect equipment conduct
Flow analyzing device.
In the present invention is embodiment, the intersection equipment for being selected as flow analyzing device acts as MSTP equipment.So-called stream
Amount parsing, refers to that, by the parsing to each VC member, it is same group to parse which VC member, constitutes one and virtually leads to
Road.There is arbitrariness, i.e. any one intersection with first interface and second interface as the selected of flow analyzing device
Equipment all can serve as flow analyzing device.For example, the intersection equipment 2 that can be selected in attached drawing 2-a or attached drawing 2-b is used as flow
Analyzing device, naturally it is also possible to select other and intersect equipment, such as intersect equipment 1 or intersect equipment 3 and be used as flow analyzing device.
It should be noted that in embodiments of the present invention, it is only necessary to which selected one intersects equipment as flow analyzing device, without selection
Two or more intersect equipment as flow analyzing device.
The flow of other first interfaces for intersecting equipment in addition to flow analyzing device is passed through respective inside by S103
Cross module is sent to respective second interface.
In embodiments of the present invention, each intersecting has Cross module inside equipment, can be by the flow of an interface
Intersect to another interface, for example, the flow of first interface is sent to its second interface.Due to passing through step S101, all tools
There is the second interface of the intersection equipment of first interface and second interface is end to end to constitute a channel ring, and through step
S102, there are one intersecting equipment to be chosen to be flow analyzing device, therefore, except the intersection equipment for being chosen to be flow analyzing device
Except, it is connect if the flow of other first interfaces for intersecting equipment is sent to respective second by respective internal Cross module
Mouthful, then other flows for intersecting equipment can be sent to flow analyzing device by channel ring, to be parsed by flow analyzing device.
By taking attached drawing 2-a as an example, it is assumed that intersect equipment 2 and be chosen to be flow analyzing device, then intersect the flow of the first interface A1 of equipment 1
It is sent to its second interface B1 by its internal Cross module, the flow for intersecting the first interface A3 of equipment 3 passes through inside it
Cross module be sent to its second interface B3, the flow for intersecting the first interface A4 of equipment 4 passes through its internal Cross module
It is sent to its second interface B4.Since the second interface of four intersection equipment constitutes a channel ring, intersection equipment 1,
3, the flow of 4 first interface can be sent to flow analyzing device by this channel ring and intersect equipment 2.
When the flow of the first interface of other intersection equipment in addition to flow analyzing device passes through respective internal friendship
Fork module is sent to respective second interface, can by the Cross module of the flow analyzing device, by all Virtual Concatenations at
Member configures to system side, and flow analyzing device parses the GFP flows in all Virtual Concatenation members.
Technical solution in order to further illustrate the present invention, below with four shown in the attached drawing 2-a friendships with double nip
Equipment is pitched, the transmitting terminal and receiving terminal in each first interface, that is, line side for intersecting equipment have an optical fiber (after respectively
Line-1, Line-2, Line-3 and Line-4 are shown) for illustrate.Assuming that 9 VC members are shared, in order to hereafter more preferable
Ground illustrates that it is VC1.1, VC2.1, VC2.2, VC1.2, VC2.3, VC2.4, VC1.3, VC2.5 and VC2.6 to number it respectively,
Wherein, VC1.1, VC1.2 and VC1.3 belong to a virtual cascade group, that is, and VC1.1, VC1.2 and VC1.3 constitute a logical channel,
VC2.1, VC2.2, VC2.3, VC2.4, VC2.5 and VC2.6 belong to another virtual cascade group, that is, VC2.1, VC2.2, VC2.3,
VC2.4, VC2.5 and VC2.6 constitute another logical channel, this 9 VC are as follows across fine situation：VC1.1, which is distributed in, intersects equipment 1
First interface A1, VC1.2, VC1.3, VC2.1 and VC2.2 are distributed in A2, VC2.3 and VC2.4 points of first interface for intersecting equipment 2
Cloth is distributed in the first interface A4 for intersecting equipment 4 in the first interface A3, VC2.5 and VC2.6 for intersecting equipment 3, such as attached drawing 3-a institutes
Show.It is dispersed in multifiber from above-mentioned 9 VC members in the distribution of interface it is found that belonging to one group of VC member, for example,
VC1.1 is accessed by Line-1, and VC1.2 and VC1.3 is accessed by Line-2, and VC2.1 and VC2.2 are accessed by Line-2,
And VC2.3 and VC2.4 is accessed by Line-3, the interface that the member of these different virtual cascade groups is distributed also has overlapping, for example,
The VC1.2 and VC1.3 for belonging to a virtual cascade group had both been distributed in the A2 for intersecting equipment 2, is divided into be furnished with and belongs to another virtual cascade group
VC2.1 and VC2.2.
For attached drawing 3-a, in addition to intersecting equipment 2 except flow analyzing device, other intersect the first interface of equipment
After flow is sent to respective second interface by respective internal Cross module, 9 VC each distribution for intersecting equipment such as
Shown in Fig. 3-b.Since the second interface of four intersection equipment end to end can constitute the channel ring as shown in attached drawing 2-b, hand over
Fork equipment 2 is chosen to be flow analyzing device, therefore, is distributed in and intersects equipment 1, intersects equipment 3 and intersect 5 VC of equipment 4,
I.e. VC1.1, VC2.3, VC2.4, VC2.5 and VC2.6 are just visible to intersecting equipment 2, and flow analyzing device, which intersects, to be set
Standby 2 can by its Cross module, by 9 Virtual Concatenation member, that is, VC1.1, VC1.2, VC1.3, VC2.1, VC2.2, VC2.3,
VC2.4, VC2.5 and VC2.6 are configured to system side, and parse the GFP flows in this 9 Virtual Concatenation members.
It was found from the multigroup more members of 1 exemplary SDH of above-mentioned attached drawing are across fine Virtual Concatenation implementation method, on the one hand, by by institute
There is the end to end composition channel ring of the second interface of the intersection equipment with first interface and second interface, therefore, can connect and appoint
Meaning intersects equipment, realizes gathering and parse across fine Virtual Concatenation group member multiple enough；On the other hand, all that there is first interface
Intersect equipment with any one in the intersection equipment of second interface and be selected as flow analyzing device, i.e., all flows are handed at one
Analytic uniform in equipment is pitched, therefore, after tandem link is broken down, it is only necessary to by flow ring in the flow analyzing device
It returns, then the automatic loopback of all flows, so as to the stabilization of fast quick-recovery circuit；The third aspect, also because of all flows
Intersect analytic uniform in equipment at one, device cluster processing is when fine flow, it is only necessary to equipment carry out really parsing and
Reduction, therefore, by whole system cluster rear end equipment probability of malfunction from P*N will be P*1；To sum up, even if there is no MSTP equipment, this
The technical solution that invention provides still realizes the multigroup more members of SDH across fine Virtual Concatenation, reduces the multigroup more members of SDH across fine empty
Cascade cost of implementation.
Attached drawing 4 is please referred to, is knot of the multigroup more members of SDH across fine Virtual Concatenation realization device of the offer of the embodiment of the present invention six
Structure schematic diagram.For convenience of description, attached drawing 4 illustrates only and the relevant part of the embodiment of the present invention.4 exemplary SDH of attached drawing is more
The more members of group can be the multigroup more members of 1 exemplary SDH of attached drawing across fine Virtual Concatenation implementation method across fine Virtual Concatenation realization device
Executive agent.The multigroup more members of 4 exemplary SDH of attached drawing across fine Virtual Concatenation realization device mainly include channel ring constitute module 401,
Flow analyzing device chosen module 402 and flow delivery module 403, wherein：
Channel ring constitutes module 401, for being connect the second of all intersection equipment with first interface and second interface
Mouth end to end composition channel ring, wherein first interface is connected with line side, receives the corresponding flow input of Virtual Concatenation member,
Second interface is the interface being connected with system side；
Flow analyzing device chosen module 402, for selecting all intersection equipment with first interface and second interface
In any one intersect equipment as flow analyzing device；
Flow delivery module 403, the stream of the first interface for other intersection equipment that will be in addition to flow analyzing device
Amount is sent to respective second interface by respective internal Cross module.
It should be noted that embodiment of the multigroup more members of 4 exemplary SDH of the figures above across fine Virtual Concatenation realization device
In, the division of each function module is merely illustrative of, can be as needed in practical application, such as corresponding hardware configuration requirement
Or the convenient of the realization of software considers, and above-mentioned function distribution is completed by different function modules, i.e., it is the SDH is multigroup
More members are divided into different function modules across the internal structure of fine Virtual Concatenation realization device, with complete it is described above whole or
Person's partial function.Moreover, in practical application, the corresponding function module in the present embodiment can be by corresponding hardware realization,
Corresponding software can also be executed by corresponding hardware to complete, for example, channel ring above-mentioned constitutes module, can have to execute
The end to end hardware for constituting channel ring of the aforementioned second interface by all intersection equipment with first interface and second interface,
Such as channel ring constitutes device, can also be the general processor for being able to carry out corresponding computer program to complete aforementioned function or
Other hardware devices of person；For another example flow delivery module above-mentioned can be other friendships executed in addition to flow analyzing device
The flow for pitching the first interface of equipment is sent to the hardware of respective second interface by respective internal Cross module, such as flows
Conveyer is measured, can also be to be able to carry out corresponding computer program to the general processor for completing aforementioned function or other are hard
Part equipment (each embodiment that this specification provides can all apply foregoing description principle).
It may include connection unit 501 that 4 exemplary channel ring of attached drawing, which constitutes module 401, and the present invention is implemented as shown in Fig. 5
The multigroup more members of SDH that example seven provides are across fine Virtual Concatenation realization device.Connection unit 501 be used for it is all have first interface and
It has been that point device starts that any one in the intersection equipment of second interface, which intersects equipment, by each second interface for intersecting equipment
Transmitting terminal is connected to the receiving terminal of another second interface for intersecting equipment, wherein the reception of each second interface for intersecting equipment
End must receive and only receive the connection of the transmitting terminal of the second interface of an intersection equipment, or the second of each intersection equipment
The transmitting terminal of interface must receive and only receive the connection of the receiving terminal of the second interface of an intersection equipment.
Attached drawing 4 or the multigroup more members of 5 exemplary SDH of attached drawing can also include configuration module across fine Virtual Concatenation realization device
601 and parsing module 602, the SDH that the embodiment of the present invention eight as shown in attached drawing 6-a or attached drawing 6-b or embodiment nine provide is multigroup
More members across fine Virtual Concatenation realization device, wherein：
Configuration module 601, for the Cross module by flow analyzing device, by the corresponding flow of all Virtual Concatenation members
It all configures to system side；
Parsing module 602, for parsing the GFP flows in all Virtual Concatenation members.
Attached drawing 7 is please referred to, is that the multigroup more members of SDH that the embodiment of the present invention ten provides realize the knot of system across fine Virtual Concatenation
Structure schematic diagram.For convenience of description, attached drawing 7 illustrates only and the relevant part of the embodiment of the present invention.7 exemplary SDH of attached drawing is more
The more members of group realize that system includes several intersection equipment with first interface and second interface across fine Virtual Concatenation, all to have the
The end to end composition channel ring of second interface of the intersection equipment of one interface and second interface, it is all that there is first interface and second
Any one in the intersection equipment of interface intersects equipment as flow analyzing device, except the friendship for being chosen to be flow analyzing device
It pitches except equipment, other flows for intersecting the first interface of equipment are sent to respective second by respective internal Cross module
Interface.
T and R in attached drawing 7 indicate the transmitting terminal and receiving terminal of each interface respectively, there is void between transmitting terminal and receiving terminal
Line, there are other intersection equipment with double nip between expression.In the multigroup more members of 7 exemplary SDH of attached drawing across fine empty grade
Join in realization system, the end to end composition channel ring of second interface of all intersection equipment with first interface and second interface
Including：It has been that point device is opened to intersect equipment with any one in all intersection equipment with first interface and second interface
Begin, the transmitting terminal of each second interface for intersecting equipment is connected to the receiving terminal of another second interface for intersecting equipment, Mei Gejiao
The receiving terminal of the second interface of fork equipment must receive and only receive the connection of the transmitting terminal of the second interface of an intersection equipment,
Or the transmitting terminal of each second interface for intersecting equipment must receive and only receive connecing for the second interface of an intersection equipment
The Cross module of the connection of receiving end, flow analyzing device all configures all Virtual Concatenation members to the system side, and parses institute
There are the Generic Framing Procedure GFP flows in Virtual Concatenation member.
It should be noted that the contents such as information exchange, implementation procedure between each module/unit of above-mentioned apparatus, due to
The method of the present invention embodiment is based on same design, and the technique effect brought is identical as the method for the present invention embodiment, particular content
The narration in the method for the present invention embodiment is can be found in, details are not described herein again.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include：Read-only memory (ROM, Read Only Memory), random access memory (RAM, Random
Access Memory), disk or CD etc..
It is provided for the embodiments of the invention the multigroup more members of SDH above across fine Virtual Concatenation implementation method, device and system
It is described in detail, principle and implementation of the present invention are described for specific case used herein, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the present invention；Meanwhile for the general technology of this field
Personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this theory
Bright book content should not be construed as limiting the invention.
Claims (6)
1. a kind of multigroup more members of SDH are across fine Virtual Concatenation implementation method, which is characterized in that the method includes：
By the end to end composition channel ring of second interface of all intersection equipment with first interface and second interface, described the
One interface is connected with line side, receives the corresponding flow input of Virtual Concatenation member, the second interface is connected with system side
Interface；
Any one in selected all intersection equipment with first interface and second interface intersects equipment as flow
Analyzing device；
The flow of other first interfaces for intersecting equipment in addition to the flow analyzing device is passed through into respective internal intersection
Module is sent to respective second interface；
The flow analyzing device parses each Virtual Concatenation member, and same group of Virtual Concatenation member is constituted one virtually
Channel；
The end to end composition channel ring of second interface by all intersection equipment with first interface and second interface, packet
It includes：
It has been that point device is opened to intersect equipment with any one in all intersection equipment with first interface and second interface
Begin, the transmitting terminal of each second interface for intersecting equipment is connected to the receiving terminal of another second interface for intersecting equipment, it is described
The receiving terminal of each second interface for intersecting equipment must receive and only receive the transmitting terminal of the second interface of an intersection equipment
Connection, or the transmitting terminal of each second interface for intersecting equipment must receive and only receive the second of an intersection equipment to connect
The connection of the receiving terminal of mouth.
2. the method as described in claim 1, which is characterized in that the method further includes：
By the Cross module of the flow analyzing device, all Virtual Concatenation members are configured to the system side；
Parse the Generic Framing Procedure GFP flows in all Virtual Concatenation members.
3. a kind of multigroup more members of SDH are across fine Virtual Concatenation realization device, which is characterized in that described device includes：
Channel ring constitutes module, is used for the second interface head and the tail phase of all intersection equipment with first interface and second interface
It connects and constitutes channel ring, the first interface is connected with line side, receives the corresponding flow input of Virtual Concatenation member, described second connects
Mouth is the interface being connected with system side；
Flow analyzing device chosen module, for selecting in all intersection equipment with first interface and second interface
Any one intersects equipment as flow analyzing device；
Flow delivery module, for leading to the flow of other first interfaces for intersecting equipment in addition to the flow analyzing device
It crosses respective internal Cross module and is sent to respective second interface；
The flow analyzing device parses each Virtual Concatenation member, and same group of Virtual Concatenation member is constituted one virtually
Channel；
The channel ring constitutes module：
Connection unit, for intersecting equipment with any one in all intersection equipment with first interface and second interface
Start to play point device, the transmitting terminal of each second interface for intersecting equipment is connected to another second interface for intersecting equipment
The receiving terminal of receiving terminal, each second interface for intersecting equipment must receive and only receive second connecing for intersection equipment
Mouthful transmitting terminal connection, or the transmitting terminal of each second interface for intersecting equipment must receive and only receive an intersection to set
The connection of the receiving terminal of standby second interface.
4. device as claimed in claim 3, which is characterized in that described device further includes：
Configuration module, for the Cross module by the flow analyzing device, all by the corresponding flow of all Virtual Concatenation members
It configures to the system side；
Parsing module, for parsing the Generic Framing Procedure GFP flows in all Virtual Concatenation members.
5. a kind of multigroup more members of SDH realize system across fine Virtual Concatenation, which is characterized in that have first the system comprises several
The intersection equipment of interface and second interface；
The end to end composition channel ring of second interface of all intersection equipment with first interface and second interface, it is described
Any one in all intersection equipment with first interface and second interface intersects equipment as flow analyzing device, removes institute
It states and is chosen to be except the intersection equipment of flow analyzing device, other flows for intersecting the first interface of equipment pass through respectively internal
Cross module be sent to respective second interface；
The flow analyzing device parses each Virtual Concatenation member, and same group of Virtual Concatenation member is constituted one virtually
Channel；
The end to end composition channel ring of second interface of all intersection equipment with first interface and second interface includes：
It has been that point device is opened to intersect equipment with any one in all intersection equipment with first interface and second interface
Begin, the transmitting terminal of each second interface for intersecting equipment is connected to the receiving terminal of another second interface for intersecting equipment, described every
The receiving terminal of a second interface for intersecting equipment must receive and only receive the transmitting terminal of the second interface of an intersection equipment
Connection, or the transmitting terminal of each second interface for intersecting equipment must receive and only receive the second interface of an intersection equipment
Receiving terminal connection.
6. system as claimed in claim 5, which is characterized in that the Cross module of the flow analyzing device is by all Virtual Concatenations
Member configures to the system side, and parses the Generic Framing Procedure GFP flows in all Virtual Concatenation members.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1531567A1 (en) * | 2003-11-17 | 2005-05-18 | Alcatel Alsthom Compagnie Generale D'electricite | Method and apparatus for carrying out connection and related input/output processing functions in a synchronous digital hierarchy transport node |
| CN101686175A (en) * | 2008-09-24 | 2010-03-31 | 华为技术有限公司 | Method and device for data transmission adjustment of transport network |
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| JP2002359627A (en) * | 2001-05-30 | 2002-12-13 | Nec Corp | Protection system, virtual concatenation processing block, node and ring network |
| JP4045419B2 (en) * | 2002-06-21 | 2008-02-13 | 日本電気株式会社 | Transmission path setting method, transmission apparatus and network system |
| CN100508475C (en) * | 2003-09-29 | 2009-07-01 | 上海贝尔阿尔卡特股份有限公司 | Multi-service transmitting method, node device and multi-service transmitting platform |
| CN100589399C (en) * | 2006-09-13 | 2010-02-10 | 中兴通讯股份有限公司 | Method and system for realizing multicast service on multi-service transmission platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1531567A1 (en) * | 2003-11-17 | 2005-05-18 | Alcatel Alsthom Compagnie Generale D'electricite | Method and apparatus for carrying out connection and related input/output processing functions in a synchronous digital hierarchy transport node |
| CN101686175A (en) * | 2008-09-24 | 2010-03-31 | 华为技术有限公司 | Method and device for data transmission adjustment of transport network |
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