CN101848052B - Service mapping configuration method and system of multi-domain network - Google Patents
Service mapping configuration method and system of multi-domain network Download PDFInfo
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Abstract
The invention relates to a service mapping configuration method of a multi-domain network, comprising the following steps of: sending the configuration information of service mapping to the network management center of each control domain through which an end-to-end circuit passes before the end-to-end circuit with preset service attributes is established; assigning the received configuration information of the service mapping to each interface node of the control domain by the network management center of each control domain; and carrying out the configuration of a service mapping table by each interface node according to the received configuration information of the service mapping. The invention also relates to a service mapping configuration system of the multi-domain network. The invention provides a flexible setting mechanism of the service mapping, and can realize that the service attributes of the circuit in each control domain are consistent when in intercommunication in ASON (Automatic Switch Optical Network) multi-domain networking by setting up uniform service mapping, and thereby the requirements of operator service are satisfied.
Description
Technical field
The present invention relates to telecommunication technology field, relate in particular to a kind of multiple-domain network service mapping configuration method and system.
Background technology
The proposition of ASON (ASON) concept is important breakthrough and the change of transport network technology.With traditional SDH transmission network comparison, the structure of ASON network will be given a lecture to mesh network by looped network, with respect to looped network, have the advantage of kinds of protect reset mode, can improve network reliability, for user provides the service of differentiation.
ASON relies on the completing circuit establishment automatically of standardized signaling interface, and do not need webmaster to control each node, aspect circuit allocation, can avoid the requirement to centralized network management, realize end to end circuit fast dispatch, can solve the problem that in SDH (Synchronous Digital Hierarchy) (SynchronousDigital Hierarchy is called for short SDH), the large ring of overlength exists, realize the evolution to mesh network, optimize transport network structure, improve circuit quality.In addition, ASON can also provide new business in transport network, as broadband distribution according to need (Bandwidth on Demand is called for short BoD), optical analog dedicated network (Optical Virtual Private Network is called for short OVPN) etc.
And multiple domain networking capability and kinds of protect recovery capability are two principal characters of ASON network.The two combination, the end-to-end protection recovery capability in multiple-domain network has vital meaning for the application of ASON.
Fig. 1 has provided the structural representation of multiple domain ASON network.Between user and network, being wherein uni interface, is E-NNI interface between different control domains, between the distinct device of same control domain inside, is I-NNI interface.
Realize the end-to-end protection recovery capability in multiple-domain network, need to carry out at E-NNI interface the mapping of the grade of service and service attribute.OIF UNI1.0 and ENNI1.0 signaling specification have defined business-level subobject in GENERALIZED_UNI object at present; each business-level correspondence some service attributes; as protect recovery type; connect and set up and keep priority, after fault restoration, return to strategy and retention strategy etc.Mapping relations between this business-level and service attribute are determined by operator.
In current equipment is realized; each business-level correspondence one protection and is recovered type (as 1+1 protection and dynamic recovery etc.); but because not specifying business-level and protection, OIF UNI1.0 and ENNI1.0 signaling specification recover the mapping relations between type; and the network management system of existing equipment can't be modified to this mapping relations according to demand; thereby while causing the ASON of different vendor equipment by ENNI intercommunication, possibly cannot set up the Circuit Service of equal grade of service end to end, thereby also just cannot provide and protect end to end recovery capability.
Because different operators may adopt different mapping modes, can cause equipment vendors to develop different device version for different operators, increase the cost of equipment development, while needing to carry out intercommunication between this external operator, the grade of service inconsistent and need to changing, this must cause the complexity of realization.Lack and protect end to end recovery capability, ASON multiple domain networking mode is just difficult to be applied in real network, thereby has limited the large-scale application of ASON technology.
Summary of the invention
The object of the invention is to propose a kind of multiple-domain network service mapping configuration method and system, can be configured the business mapping relations of multiple-domain network, overcome between different operators because of mapping mode or the inconsistent intercommunication difficulty of bringing of the grade of service.
For achieving the above object, the invention provides a kind of multiple-domain network service mapping configuration method, comprise the following steps:
There is the end to end circuit of default service attribute in foundation before, to described end to end circuit the configuration information of network management center transmission business mapping of each control domain of process;
The network management center of described each control domain is issued to the configuration information of the business mapping receiving each interface node of described control domain;
Described each interface node carries out the configuration of business mapping table according to the configuration information of the business mapping receiving.
Further, have in the process of end to end circuit of default service attribute in foundation, when subscriber equipment is sent and connected the request of foundation by the uni interface node of the control domain of the PATH message downstream of RSVP-TE agreement, this PATH message comprises business-level value; Described uni interface node is inquired about service attribute corresponding to this business-level value according to the business mapping table of configuration, and and subscriber equipment between set up the circuit with described service attribute and be connected, then continue along downstream node transmission according to the explicit path specifying in PATH message.
Further, have in the process of end to end circuit of default service attribute in foundation, in the time of the downstream node E-NNI interface node that is another control domain or subscriber equipment, this downstream node is inquired about service attribute corresponding to this business-level value according to the business mapping table of configuration, and between described downstream node and present node, sets up the circuit with described service attribute and be connected.
Further, described service attribute comprises that protection recovers type, connects foundation and keeps at least one in strategy of returning after priority, fault restoration.
For achieving the above object, the invention provides a kind of multiple-domain network business mapping configuration-system, comprising:
Configuration information sending module, before thering is the end to end circuit of default service attribute in foundation, to described end to end circuit the configuration information of network management center transmission business mapping of each control domain of process;
Configuration information issues module, is located at the network management center of described each control domain, for the configuration information of the business mapping receiving being issued to each interface node of described control domain;
Business mapping configuration module, is located at described each interface node, for carrying out the configuration of business mapping table according to the configuration information of the business mapping receiving.
Further, described service attribute comprises that protection recovers type, connects foundation and keeps at least one in strategy of returning after priority, fault restoration.
Based on technique scheme, the invention provides the mechanism that arranges of business mapping flexibly, by being provided with the mapping of unified business, can realize in the networking of ASON multiple domain intercommunication time, guarantee that circuit service attribute in each control domain is consistent, meet the demand of Operator Specific Service.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of multiple domain ASON network in prior art.
Fig. 2 is the schematic flow sheet of an embodiment of multiple-domain network service mapping configuration method of the present invention.
Fig. 3 is the applied scene schematic diagram of Fig. 2 embodiment.
Fig. 4 is the structural representation of an embodiment of multiple-domain network business mapping configuration-system of the present invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
As shown in Figure 2, be the schematic flow sheet of an embodiment of multiple-domain network service mapping configuration method of the present invention.In the present embodiment, the configuration flow of business mapping comprises the following steps:
Step 101, there is the end to end circuit of default service attribute in foundation before, to end to end circuit the configuration information of network management center transmission business mapping of each control domain of process;
The network management center of step 102, each control domain is issued to the configuration information of the business mapping receiving each interface node of control domain;
Step 103, each interface node carry out the configuration of business mapping table according to the configuration information of the business mapping receiving.
In the step 101 of the present embodiment, can first business be shone upon and be held consultation by other communication processes by the initiator of end to end circuit and the webmaster of each control domain, and after having consulted, to end to end circuit through the network management center of each control domain send the configuration information of the business mapping after consulting; Also can by the initiator of end to end circuit directly to end to end circuit the configuration information of network management center transmission business mapping of each control domain of process.
Above-mentioned business mapping is commonly referred to as the mapping relations between the grade of service and service attribute, and each business-level correspondence the more predefined service attributes of operator, comprising:
1) protection recovers type: 1+1 protection, 1:1 protection, permanent 1+1 protection, dynamically recovery, preset route recovery etc.
2) connect and set up and maintenance priority: high low priority, multiple priority etc.
3) after fault restoration, return to strategy: return, do not return.
4) other carries out attribute etc.
Following table is that the grade of service and service attribute are the example that protection recovers type:
| The grade of service | Protection reset mode |
| 0 | Unprotect |
| 1 | Rerouting recovering |
| 2 | Preset route recovery |
| 16 | Passage 1+1 protection (two-way) |
| 17 | Permanent 1+1 (two-way) |
Such mapping relations need to first be notified Network Management Equipment, then are handed down to each interface node in UNI and E-NNI position that it is administered, i.e. uni interface node and ENNI interface node by Network Management Equipment.
Because existing ASON network generally adopts RSVP-TE signaling protocol, the present invention also can adopt RSVP-TE agreement to carry out circuit foundation, and in RSVP-TE agreement, basic signaling message comprises PATH and RESV message.PATH message realizes and connects the request of setting up, and carries relevant service attribute parameter.RESV message completes establishment of connection, reserved corresponding resource.In PATH message, can select the business-level subobject in GENERALIZED_UNI object to express the grade of service of the end to end circuit that will set up, also can select other available objects to express.Taking GENERALIZED_UNI object as example, the grade of service (Service level) in this business-level subobject is in 0-255 scope value, and its form is as follows:
As shown in Figure 3, be the applied scene schematic diagram of Fig. 2 embodiment.As can be seen from the figure, the A of network management center and the B of network management center receive respectively after the configuration information of business mapping, are issued to uni interface node and E-NNI interface node in own control domain of administering.
Below by instantiation, the process of establishing of the end to end circuit with default service attribute is described, in the starting stage, the mapping relations between control domain A and the grade of service and the service attribute of control domain B are as shown in the table:
| Protection reset mode | The control domain A grade of service | The control domain B grade of service |
| Unprotect | 0 | 0 |
| Rerouting recovering | 1 | 2 |
| Permanent 1+1 protection | 2 | 1 |
As can be seen from the above table, the mapping relations between control domain A and the grade of service and the service attribute of control domain B are inconsistent.In the time that CE1 wants to set up a circuit with rerouting recovering attribute that reaches CE2, the interface node that first first by Network Management Equipment, the configuration information of business mapping is issued to each control domain carries out the configuration of business mapping table, as shown in the table:
| Protection reset mode | The control domain A grade of service | The control domain B grade of service |
| Unprotect | 0 | 0 |
| Rerouting recovering | 1 | 1 |
| Permanent 1+1 | 2 | 2 |
So just guarantee the consistency of each cross-domain circuit aspect business mapping, then CE1 is 1 by the business-level subobject value in the GENERALIZED_UNI object in PATH message, and the uni interface node of the control domain of PATH message downstream is sent and connects the request of foundation.When uni interface node receives after PATH message, inquire about service attribute (rerouting recovering) corresponding to this business-level value (this example is 1) according to the business mapping table of configuration, and and subscriber equipment between set up the circuit with described service attribute and be connected, then continue along downstream node transmission according to the explicit path specifying in PATH message.
In the time of the downstream node E-NNI interface node that is another control domain or subscriber equipment, this downstream node is inquired about service attribute corresponding to this business-level value according to the business mapping table of configuration, and between described downstream node and present node, sets up the circuit with service attribute and be connected.
By the explanation of above-described embodiment, the present invention is by configurable business mapping flexibly, met operator and utilize the demand of multi-vendor ASON equipment network, promotes the promotion and application of ASON technology.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computer read/write memory medium, this program, in the time carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
As shown in Figure 4, shine upon the structural representation of an embodiment of configuration-system for multiple-domain network business of the present invention.In the present embodiment, system comprises: configuration information sending module 1, configuration information issue module 2 and business mapping configuration module 3.Wherein configuration information sending module 1 is for before having the end to end circuit of default service attribute in foundation, to described end to end circuit the configuration information of network management center's transmission business mapping of each control domain of process.Configuration information issues module 2 is located at the network management center of described each control domain, for the configuration information of the business mapping receiving being issued to each interface node of described control domain.Business mapping configuration module 3 is located at described each interface node, for carrying out the configuration of business mapping table according to the configuration information of the business mapping receiving.
In the present embodiment, service attribute can comprise that protection recovers type, connects foundation and keeps at least one in strategy and retention strategy of returning after priority, fault restoration.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present invention; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request protection of the present invention.
Claims (6)
1. a multiple-domain network service mapping configuration method, comprises the following steps:
There is the end to end circuit of default service attribute in foundation before, directly to described end to end circuit the configuration information of network management center's transmission business mapping of each control domain of process, or with described end to end circuit through each control domain network management center consult after, to described end to end circuit through the network management center of each control domain send the configuration information of the business mapping after consulting, described business is mapped as the mapping relations between the grade of service and service attribute;
The network management center of described each control domain is issued to the configuration information of the business mapping receiving each interface node of described control domain;
Described each interface node carries out the configuration of business mapping table according to the configuration information of the business mapping receiving.
2. multiple-domain network service mapping configuration method according to claim 1, wherein have in the process of end to end circuit of default service attribute in foundation, when subscriber equipment is sent and connected the request of foundation by the uni interface node of the control domain of the PATH message downstream of RSVP-TE agreement, this PATH message comprises business-level value; Described uni interface node is inquired about service attribute corresponding to this business-level value according to the business mapping table of configuration, and and subscriber equipment between set up the circuit with described service attribute and be connected, then continue along downstream node transmission according to the explicit path specifying in PATH message.
3. multiple-domain network service mapping configuration method according to claim 1, wherein have in the process of end to end circuit of default service attribute in foundation, in the time of the downstream node E-NNI interface node that is another control domain or subscriber equipment, this downstream node is inquired about service attribute corresponding to this business-level value according to the business mapping table of configuration, and between described downstream node and present node, sets up the circuit with described service attribute and be connected.
4. according to the arbitrary described multiple-domain network service mapping configuration method of claim 1-3, wherein said service attribute comprises that protection recovers type, connects foundation and keeps at least one in strategy of returning after priority, fault restoration.
5. a multiple-domain network business mapping configuration-system, comprising:
Configuration information sending module, for before foundation has the end to end circuit of default service attribute, directly to described end to end circuit the configuration information of network management center's transmission business mapping of each control domain of process, or with described end to end circuit through each control domain network management center consult after, to described end to end circuit through the network management center of each control domain send the configuration information of the business mapping after consulting, described business is mapped as the mapping relations between the grade of service and service attribute;
Configuration information issues module, is located at the network management center of described each control domain, for the configuration information of the business mapping receiving being issued to each interface node of described control domain;
Business mapping configuration module, is located at described each interface node, for carrying out the configuration of business mapping table according to the configuration information of the business mapping receiving.
6. multiple-domain network business mapping configuration-system according to claim 5, wherein said service attribute comprises that protection recovers type, connects foundation and keeps at least one in strategy of returning after priority, fault restoration.
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| CN103338117B (en) * | 2013-05-30 | 2016-12-28 | 华为技术有限公司 | The management method of a kind of virtual switch, equipment and system |
| CN106357443B (en) * | 2016-09-14 | 2019-08-02 | 中国联合网络通信集团有限公司 | A kind of method and apparatus of network configuration |
| CN114793207A (en) * | 2021-01-26 | 2022-07-26 | 中国移动通信有限公司研究院 | Data processing method, device, network boundary device and distributed management device |
| CN115514801B (en) * | 2022-09-19 | 2024-09-24 | 上海亿为科技有限公司 | Information intercommunication processing method and system based on Internet of things |
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| CN101605278A (en) * | 2009-03-04 | 2009-12-16 | 北京邮电大学 | Implementation method of adaptive signaling in distributed management and control cooperative optical network |
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| CN1747467A (en) * | 2004-09-08 | 2006-03-15 | 华为技术有限公司 | Resource and admission control subsystem and method in NGN |
| CN1866960A (en) * | 2006-02-17 | 2006-11-22 | 华为技术有限公司 | Method for confirming mapping relation between cross-domain service domain interior domains |
| CN1929401A (en) * | 2006-07-26 | 2007-03-14 | 华为技术有限公司 | Method for end-to-end data business establishment |
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