CN100454833C - Method for identifying interface parameters of network management - Google Patents
Method for identifying interface parameters of network management Download PDFInfo
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- CN100454833C CN100454833C CNB2005100932238A CN200510093223A CN100454833C CN 100454833 C CN100454833 C CN 100454833C CN B2005100932238 A CNB2005100932238 A CN B2005100932238A CN 200510093223 A CN200510093223 A CN 200510093223A CN 100454833 C CN100454833 C CN 100454833C
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/02—Standardisation; Integration
- H04L41/0246—Exchanging or transporting network management information using the Internet; Embedding network management web servers in network elements; Web-services-based protocols
- H04L41/0273—Exchanging or transporting network management information using the Internet; Embedding network management web servers in network elements; Web-services-based protocols using web services for network management, e.g. simple object access protocol [SOAP]
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Abstract
The method is designed for use in WSDL/SOAP scheme and comprises: the managing unit uses the packaging type identifier optional parameters, and the identified optional parameters are sent to the managed unit; according to the packaging type and self inherent characteristics used in the identifier optional parameters, the managed unit decides if the optional parameters are supported by the managed unit and itself; if they are supported by the both above, then the managed unit reads out the value of the optional parameters from the packaging type used for identifying the optional parameters, and executes the current operation; if one of the two supports them, then the managed unit returns a exception response; if non of the two support them, then the managed unit continuous to execute the operation.
Description
Technical field
The present invention relates to the third generation (3G) mobile radio communication network management interface technology, refer to especially a kind of in the WSDL/SOAP solution, the method for identification network management interface optional parameters.
Background technology
The service characteristic of 3G (Third Generation) Moblie collaborative project the 5th group (3GPP SA5) is called Itf-N with the network management unit of 3G (Third Generation) Moblie with by the interface between the pipe unit, in order to expression 3G network management system and 3G Element management system, or the interface between 3G network management system and the 3G network element, as shown in Figure 1, Fig. 1 is an administrative unit and by the fundamental relation schematic diagram between pipe unit in the network management.The task of administrative unit is the transmit operation order and receives the notice of being sent by pipe unit; By the task of pipe unit is the direct relevant management object of management, and the operational order that the receiving management unit is sent and to the response of manager's return also can initiatively be given notice to administrative unit when needed.
Fig. 2 a is that prior art Itf-N is positioned at unify schematic diagram between Element management system of NMS, shown in Fig. 2 a, Itf-N is generally between network management system and Element management system, in this case, interface between Element management system and the network element is the device interior interface, does not do regulation.Fig. 2 b is that prior art Itf-N is positioned at unify schematic diagram between network element of NMS, and shown in Fig. 2 b, Itf-N is between network management system and network element, and network management system directly is connected by Itf-N with network element.
The last any management information of Itf-N all uses integrated reference point (IRP) to describe one group of relevant network management function and network management data, represents that wherein the information function of use IRP of management function represents, function IRP is the set of one group of relevant webmaster operation.
3GPP adopts three layer protocols to describe IRP, and ground floor is described the demand of IRP; The second layer is described the abstract object model of IRP, is called information service (IS); The 3rd layer of description and the protocol-dependent IRP solution of specific implementation, for example common object request broker system (CORBA) solution, CMIP (CMIP) solution and web services descriptive language (WSDL) solution.
WSDL is the W3C of International Standards Organization definition, is used to describe the agreement of web services (WebService).WSDL regulation soap protocol can be used for the binding of communication data.SOAP also is W3C definition, is used for describing above-mentioned network management administrative unit and by the form of exchange message between pipe unit, basic communication protocol can be a http protocol etc.
3GPP SA5 is when describing IRP IS, adopt optional parameters to represent to be supported certain parameter in some function IRP operation by pipe unit, also may not support this optional parameters, perhaps certain parameter in certain network resources model may be supported, also this optional parameters may be do not supported by pipe unit.Hereinafter abbreviate function IRP operation as operation.
In the WSDL/SOAP solution, WSDL is describing operation or network resources model time-like, parametric description is become element, at present, data type＜Types at WSDL〉in can define the attribute of an element occurrence number, adopt minOccurs to represent the minimum number that this element can occur, maxOccurs represents maximum number of times that this element can occur, for example:
＜xs:element name=" input parameter 1 " type=" xs:int " minOccurs=" 0 " maxOccurs=" 1 "/
In the above-mentioned statement, represented element input parameter 1, data type is an integer, and minimum appearance 0 time occurs at most 1 time.
Can utilize the attribute minOccurs=0 or the minOccurs=1 of param elements in the above-mentioned statement to represent whether supported input parameter 1 by pipe unit, promptly, when minOccurs=0, expression is supported input parameter 1 by pipe unit, when minOccurs=1, expression is not supported input parameter 1 by pipe unit.
Param elements minOccurs=0 in wsdl document also can represent to allow the value of the type to be empty (null), and when value is sky, not transmit null.But parameter values is that null is not supported with parameter is different notions, in this case, is given the recognition result that makes mistake possibly by pipe unit, thereby can not guarantee the correctness of subsequent treatment.
From above-mentioned prior art as seen, whether support certain optional parameters though can be utilized the attribute minOccurs=0 of param elements or minOccurs=1 to discern administrative unit by pipe unit, but, since may exist between by pipe unit and administrative unit to the value of param elements understand inconsistent, identification error can appear in actual applications, promptly can not correctly be identified administrative unit and whether support this parameter by pipe unit, but also may give the recognition result that makes mistake, and then cause the mistake of subsequent operation to be carried out.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method of discerning interface parameters of network management, in the WSDL/SOAP solution, can make by pipe unit and correctly identify the whether optional parameters of network enabled interface of administrative unit, guarantee the correct execution of subsequent operation.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of method of discerning interface parameters of network management, this method may further comprise the steps:
A. administrative unit adopts encapsulation class sign optional parameters, and the optional parameters after will identifying is sent to by pipe unit; Described encapsulation class comprises judgement element and value element, and described judgement element is used for the identity management unit and whether supports optional parameters, and described value element is used to identify the value and the data type of optional parameters;
B. by pipe unit respectively according to judgement element and self inherent characteristic, judge administrative unit and self whether support described optional parameters, all support as if the two, then enter step C; If the two is not all supported, then continued to carry out this operation back and finish by pipe unit; If only have a side to support in the two, then after administrative unit is returned exception response, finished by pipe unit;
C. from the value element, read the value of this optional parameters by pipe unit, and carry out this operation.
Described judgement element is the Boolean type data class.
Among the step B, describedly judge whether administrative unit supports the method for this optional parameters to be: whether the value of being judged the judgement element of the described encapsulation class that is used for identifying optional parameters by pipe unit is true, if judgement element value be very, judge that then administrative unit supports described optional parameters; If judgement element value be vacation, judge that then administrative unit do not support described optional parameters;
Among the step C, read the value of described optional parameters from the described value element that is used for identifying the encapsulation class of optional parameters by pipe unit.
Described optional parameters is carried in operation requests or the network resources model.
Described optional parameters adopts the encapsulation of ComplexType encapsulation class in Web service is described, or adopts the encapsulation of element encapsulation class.
As seen from the above technical solution, the present invention is in the WSDL/SOAP solution, and administrative unit adopts encapsulation class sign optional parameters, and the optional parameters after will identifying is sent to by pipe unit; After being received the operation requests or network resources model of carrying optional parameters by pipe unit from administrative unit, whether support the judgement element of certain optional parameters according to the encapsulation class sign administrative unit that is used for identifying optional parameters, judge whether administrative unit supports corresponding optional parameters, if administrative unit support, then judged further by pipe unit whether self supports this optional parameters, if supported, then after reading the value of described optional parameters, the encapsulation class that is used for identifying optional parameters carries out this operation by pipe unit; If do not supported, then return exception response to administrative unit by pipe unit;
If administrative unit is not supported described optional parameters, then judged further by pipe unit whether self supports described optional parameters, if supported, then return exception response to administrative unit by pipe unit; If do not supported, then carry out this operation according to other parameter in described operation requests/network resources model by pipe unit.The inventive method has guaranteed correctly to be identified the optional parameters whether administrative unit supports network management interface by pipe unit, thereby has made subsequent operation be able to correct execution by being used to identify the encapsulation class of optional parameters separately.
Description of drawings
Fig. 1 is an administrative unit and by the fundamental relation schematic diagram between pipe unit in the network management;
Fig. 2 a is that prior art Itf-N is positioned at unify schematic diagram between Element management system of NMS;
Fig. 2 b is that prior art Itf-N is positioned at unify schematic diagram between network element of NMS;
Fig. 3 is the flow chart that the present invention discerns the network management interface optional parameters.
Embodiment
Core concept of the present invention is: administrative unit adopts encapsulation class sign optional parameters, and the optional parameters after will identifying is sent to by pipe unit; By pipe unit respectively according to the encapsulation class that is used to identify optional parameters and self inherent characteristic, judge administrative unit and self whether support described optional parameters, if the two is all supported, then read the value of this optional parameters from the encapsulation class that is used for identifying this optional parameters, and carry out this operation by pipe unit; If only have the either party to support in the two, then returned exception response to administrative unit by pipe unit; If the two is not all supported, then continued to carry out this operation by pipe unit.This method has guaranteed correctly to be identified the optional parameters whether administrative unit supports network management interface by pipe unit, thereby has guaranteed the correct execution of subsequent operation.
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing preferred embodiment that develops simultaneously, the present invention is described in more detail.
Fig. 3 is the flow chart that the present invention discerns the network management interface optional parameters, and in the WSDL/SOAP solution, administrative unit adopts encapsulation class sign optional parameters, and the optional parameters after will identifying is sent to by pipe unit; Behind the optional parameters that is received by pipe unit from administrative unit, the inventive method may further comprise the steps:
Step 300: according to the optional parameters that receives, judged whether administrative unit supports this optional parameters by pipe unit,, then enter step 301 if support; If do not support, then enter step 303.
Optional parameters can be sent to by pipe unit from administrative unit by operation requests or network resources model, and optional parameters can adopt the encapsulation of ComplexType encapsulation class in Web service is described, and also can adopt the encapsulation of element encapsulation class.
In order to discern the network management interface optional parameters, the present invention adopts an encapsulation class to identify optional parameters, this encapsulation class comprises two parts: wherein a part is a daughter element or attribute, for being used to identify the judgement element of whether supporting certain optional parameters, this daughter element or attribute can adopt the Boolean type data to realize; And another part is a daughter element, is the value element of the value and the data type that are used to identify this optional parameters.
When administrative unit was supported certain optional parameters, in the daughter element of the encapsulation class that identifies this optional parameters, judgement element value was true, and value element value is the value and the data type of this optional parameters; When administrative unit was not supported certain optional parameters, in the daughter element of the encapsulation class that identifies this optional parameters, judgement element value was false, and value element value is meaningless, such as being null.
In this step, when the judgement element value of certain optional parameters is a true time, judged that by pipe unit administrative unit supports this optional parameters; When the judgement element value of certain optional parameters is a fictitious time, judged that by pipe unit administrative unit do not support this optional parameters.
Step 301～step 302: judged by pipe unit whether self supports this optional parameters,, carry out this operation after then reading the value of this optional parameters, finish afterwards if support; If do not support, then enter step 305.
Supported which optional parameters by pipe unit, do not support which optional parameters is as predefined by the equipment vendors of pipe unit, by the inherent characteristic of pipe unit.
Here said this operation is corresponding current to be sent to by the operation requests of carrying optional parameters or the network resources model of pipe unit from administrative unit, this operation can be other parameter or the optional parameters that carries in continuation identifying operation request or the network resources model, also can be other flow process that continues in operation requests or the network resources model.
In this step, if by the optional parameters of mentioning in the pipe unit support step 300, then read the value of this optional parameters by pipe unit from the value element of this optional parameters, this is manipulated to be used for follow-up execution.
Step 303～304: judged by pipe unit whether self supports this optional parameters,, then enter step 305 if support; If do not support, then carry out this operation, finish afterwards.
In this step,, then carried out this operation according to other parameter by pipe unit if do not supported the optional parameters mentioned in the step 300 by pipe unit.
Step 305: returned exception response to administrative unit by pipe unit.
In this step, can be returned exception response to administrative unit, inform administrative unit, do not supported this optional parameters by pipe unit self by pipe unit.
From as seen above-mentioned, adopt the present invention to discern the method for optional parameters, guaranteed whether correct identifying is supported optional parameters between pipe unit and the administrative unit, thereby guaranteed the correct execution of subsequent operation.That is: if all supported by pipe unit and administrative unit both sides/when not supporting certain optional parameters, normally carry out subsequent operation; If by in pipe unit and the administrative unit, the either party supports certain optional parameters, and the opposing party does not support this optional parameters, this situation can be informed administrative unit by pipe unit so, has avoided the mistake of subsequent operation to carry out.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (5)
1. a method of discerning interface parameters of network management is characterized in that, this method may further comprise the steps:
A. administrative unit adopts encapsulation class sign optional parameters, and the optional parameters after will identifying is sent to by pipe unit; Described encapsulation class comprises judgement element and value element, and described judgement element is used for the identity management unit and whether supports optional parameters, and described value element is used to identify the value and the data type of optional parameters;
B. by pipe unit respectively according to judgement element and self inherent characteristic, judge administrative unit and self whether support described optional parameters, all support as if the two, then enter step C; If the two is not all supported, then continued to carry out this operation back and finish by pipe unit; If only have a side to support in the two, then after administrative unit is returned exception response, finished by pipe unit;
C. from the value element, read the value of this optional parameters by pipe unit, and carry out this operation.
2. method according to claim 1 is characterized in that, described judgement element is the Boolean type data class.
3. method according to claim 1, it is characterized in that, among the step B, describedly judge whether administrative unit supports the method for this optional parameters to be: whether the value of being judged the judgement element of the described encapsulation class that is used for identifying optional parameters by pipe unit is true, if judgement element value be very, judge that then administrative unit supports described optional parameters; If judgement element value be vacation, judge that then administrative unit do not support described optional parameters;
Among the step C, read the value of described optional parameters from the described value element that is used for identifying the encapsulation class of optional parameters by pipe unit.
4. method according to claim 1 is characterized in that described optional parameters is carried in operation requests or the network resources model.
5. method according to claim 1 is characterized in that, described optional parameters adopts the encapsulation of ComplexType encapsulation class in Web service is described, or adopts the encapsulation of element encapsulation class.
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