CN101335998B - QoS parameter processing method and system - Google Patents
QoS parameter processing method and system Download PDFInfo
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- CN101335998B CN101335998B CN2008101320853A CN200810132085A CN101335998B CN 101335998 B CN101335998 B CN 101335998B CN 2008101320853 A CN2008101320853 A CN 2008101320853A CN 200810132085 A CN200810132085 A CN 200810132085A CN 101335998 B CN101335998 B CN 101335998B
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Abstract
The invention discloses a service quality parameter processing method and a system, comprising that: an appointed net element for obtaining a service quality parameter and a security parameter or a security level receives operation request transmitted by a user terminal or a user network, wherein the operation request is carried with an operation ID of the operation request; the appointed net element obtains the operation ID from the operation request, obtains the security parameter or the security level according to the operation ID, and obtains the service quality parameter in a reserved way; the appointed net element transmits the service quality parameter, the security parameter or the security level to a resource controlling part, to cause the resource controlling part to modify the service quality parameter according to the security parameter or the security level, obtain the modified service quality parameter. According to the invention, the security parameter or the security level is used to modify the service quality, and the modified service quality parameter matches with the requirement of the service quality.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of QoS parameter processing method and system.
Background technology
Along with IP (Internet Protocol; Internet protocol) development of technology is in order to satisfy the user to the demand of packet network at service quality (Quality of Service abbreviates QoS as) aspect; Next generation network (Next Generation Networks abbreviates NGN as) has been proposed.
NGN is based on group technology; Adopt operation layer and transport layer is separated from each other, uses and professional control is separated from each other, transmits the technology that control and transmission are separated from each other, NGN can support existing various access technology, and business such as speech, data, video, Streaming Media are provided; And can support the miscellaneous service on the existing mobile network; Realize fixed network and mobile network's fusion,, guarantee the service quality of customer service according to user's needs.
Fig. 1 is the structure-steel framing composition of NGN system; As shown in Figure 1; The NGN system mainly comprises network insertion control section, resource control part, translator unit, professional control section and user terminal/user network part, briefly introduces the composition and the function of each several part below:
The network insertion control section; Be used to the user terminal/user network that inserts the NGN network information such as registration, Authentication Authorization, address assignment, parameter configuration, location management are provided; This network insertion control section can be (the Network Attachment Subsystem of the Network Attachment Subsystem among the TISPAN NGN; Abbreviate NAS as), the network attachment controlled function entity (Network Attachment Control Functions abbreviates NACF as) among the ITU-T NGN.
Resource control part; Based on strategy and network resource status; Admittance control, resource reservation when being used to accomplish user terminal/user network access network; This resource control part can comprise Resource and Admission Control Sub-system (the Resource andAdmission Control Subsystem among the TISPAN NGN; Abbreviate RACS as), the middle resource accommodating control function (Resource and Admission Control Functions abbreviates RACF as) of ITU-T NGN, strategy and the charging rule functions (Policy andCharging Rules Function abbreviates PCRF as) among the 3GPP mobile network.
Translator unit; Be used to the transmission of the information of accomplishing; This translator unit can be transmission processing capacity entity (the Transport Processing Functions among the TISPANNGN; Abbreviate TPF as), strategy and charging execution function entity (Policy andCharging Enforcement Function abbreviates PCEF as) among transmitting function entity (Transport Functions abbreviates TF as), the 3GPP mobile network among the ITU-T NGN.
Professional control section; Belong to the part in the operation layer; Be used on professional level, accomplishing registration, Authentication Authorization, resource control, this business control section can be business control function body (Service Control Functions among professional RACS among the TISPAN NGN (Service Control Subsystems abbreviates SCS as), the ITU-TNGN; Abbreviate SCF as), IMS (IP Multimedia Subsystem abbreviates IMS as) among the 3GPP mobile network.
User terminal/user network part: be used for network access facility being provided to the user; (Customer Premises Equipment among TISPAN NGN and the ITU-T NGN for example; Abbreviate CPE as)/(Customer Premises Network abbreviates CPN as), 3GPP mobile network in portable terminal/wireless side.
Comprise different users and different service among the NGN; Different users has different security demand and QoS requirement; Same user also has different security demand and QoS requirement for different service, even same user also possibly have different security demand and QoS requirement for same business under the different application environment.
When validated user terminal/subscriber network uses NGN; In order to guarantee service quality; Resource control part will be according to service request (comprising parameters such as service priority, service bandwidth demand) and network resource status information; Admit control and network resource reservation based on moving speed decision-making, but in this process, do not consider the influence of safety measure service quality.In fact, safety measure and service quality are interactional, if service quality does not have safety measure to take precautions against various attacks, and the network congestion that will cause; On the other hand, the realization of safety measure also need be used certain Internet resources, if do not consider the influence of safety measure during resource allocation, possibly cause service quality to receive obvious influence, and for example authentication or ciphering process can strengthen the time delay of processing procedure.But present resource control part is not considered the influence of safety measure to service quality when admitting control with resource allocation decisions, and the conclusion that therefore draws possibly be able to not satisfy the requirement of service quality.
Summary of the invention
Consider that the present resource control part that exists in the correlation technique is when admitting control with resource allocation decisions; Do not consider safety measure to the influence of service quality and can not satisfy service quality requirement problem and the present invention is proposed; For this reason; Main purpose of the present invention is to provide a kind of QoS parameter processing method and system, to address the above problem.
According to an aspect of the present invention, a kind of QoS parameter processing method is provided.
QoS parameter processing method according to the embodiment of the invention comprises: be used to obtain the appointment network element reception user terminal of QoS parameter and security parameter or safe class or the service request that user network sends; Wherein, carry the traffic ID of requested service to some extent in the service request; Specify network element from service request, to obtain traffic ID, obtain security parameter or safe class according to traffic ID, and obtain QoS parameter in a predefined manner; Specify network element that QoS parameter, security parameter or safe class are sent to resource control part; So that resource control part is revised QoS parameter according to security parameter or safe class; Obtain the revision QoS parameter; Wherein, obtaining QoS parameter in a predefined manner is specially: obtain QoS parameter according to traffic ID.
Preferably; Above-mentioned appointment network element sends to resource control part with QoS parameter, security parameter or safe class and is specially: specify network element to send resource reservation request to resource control part, and in resource reservation request, carry QoS parameter, security parameter or safe class.
Above-mentioned resource control part is revised QoS parameter according to security parameter or safe class, and carries out resource allocation decisions and resource reservation according to the revision QoS parameter.
One of below wherein, above-mentioned security parameter comprises at least: authentication parameter, confidentiality parameter, integrity parameters.
Wherein, above-mentioned appointment network element comprises: professional control section, translator unit, user network.
According to an aspect of the present invention, a kind of QoS parameter processing method is provided.
The QoS parameter processing method that provides according to the embodiment of the invention comprises: first specifies network element to receive first service request of user terminal or user network transmission, wherein, carries the traffic ID of requested service to some extent in first service request; First specifies network element from first service request, to obtain traffic ID, obtains QoS parameter according to traffic ID; Second specifies network element to receive second service request of user terminal or user network transmission, wherein, carries traffic ID in second service request; Second specifies network element from second service request, to obtain traffic ID, obtains security parameter or safe class according to traffic ID; First specifies network element and second to specify network element respectively QoS parameter, security parameter or safe class to be sent to resource control part; So that resource control part is revised QoS parameter according to security parameter or safe class, obtain the revision QoS parameter.
According to another aspect of the present invention, a kind of QoS parameter treatment system is provided.
QoS parameter treatment system according to the embodiment of the invention comprises professional control section, resource control part, translator unit and user network; Wherein, professional control section/translator unit/user network is used to receive the service request that user terminal sends; From service request, obtain traffic ID; Obtain security parameter or safe class according to traffic ID, obtain QoS parameter in a predefined manner, and send QoS parameter, security parameter or safe class to resource control part; Resource control part is used to receive QoS parameter, security parameter or safe class, and according to security parameter or safe class QoS parameter is revised, and obtains the revision QoS parameter.
Through above-mentioned at least one technical scheme of the present invention, through utilizing security parameter/safe class service quality to be revised, revised QoS parameter has satisfied the requirement of service quality.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the network structure according to the NGN system of correlation technique;
Fig. 2 is the flow chart according to the QoS parameter processing method of the inventive method embodiment one;
Fig. 3 is the processing sketch map according to the QoS parameter processing method of the inventive method embodiment one;
Fig. 4 is the flow chart according to the QoS parameter processing method of the inventive method embodiment two;
Fig. 5 is the processing sketch map according to the QoS parameter processing method of the inventive method embodiment two;
Fig. 6 is the sketch map of the QoS parameter treatment system of system according to the invention embodiment.
Embodiment
To combine accompanying drawing to describe the present invention in detail below.
Because Media Stream is relatively more responsive to time delay; Media Stream is carried out the enciphering/deciphering processing, when integrality is handled, service quality obviously descended, therefore; In order to guarantee that the business that the user asks has stable service quality; Need to consider the influence of safety measure, consider to utilize security parameter/safe class that qos parameter is revised, guarantee that reserved resource can meet professional needs time delay.Like this; Resource control part not only need obtain qos parameter, also need obtain security parameter and safe class, and the security parameter here is meant that authentication, confidentiality, integrality etc. possibly obviously influence the parameter of QoS performance; For example authentication parameter, confidentiality parameter, integrity parameters etc.; Resource control part increases qos parameter revision function, carrying out resource decision and dividing timing, utilizes the security parameter/safe class that obtains that qos parameter is revised; Obtain revising qos parameter, and utilize revision qos parameter request resource to reserve.
Method embodiment one
According to the embodiment of the invention, a kind of QoS parameter processing method is provided.
Fig. 2 is the flow chart according to the QoS parameter processing method of the embodiment of the invention, and is as shown in Figure 2, and this method may further comprise the steps:
Step S202; Be used to obtain the appointment network element reception service request that user terminal/user network sends of QoS parameter and security parameter; Wherein, carry the traffic ID of requested service to some extent in the service request, this appointment network element can be positioned at professional control section, translator unit, user network;
Step S204; Specify network element from service request, to obtain traffic ID; Obtain security parameter/safe class according to traffic ID, and obtain QoS parameter in a predefined manner, wherein; One of below security parameter can comprise at least: authentication parameter, confidentiality parameter, integrity parameters, safe class can be divided into safe class 1, safe class 2, safe class 3, safe class 4, safe class 5 etc.;
Step S206 specifies network element that QoS parameter, security parameter/safe class are sent to resource control part, so that resource control part is revised QoS parameter according to security parameter/safe class, obtains the revision QoS parameter.Wherein, resource control part has qos parameter revision function.
Afterwards, resource control part can be revised QoS parameter according to security parameter/safe class, and carries out resource allocation decisions and resource reservation according to this revision QoS parameter.
Through the technical scheme that the embodiment of the invention provides, through utilizing security parameter/safe class service quality to be revised, revised QoS parameter has satisfied the requirement of service quality.
Wherein, the above-mentioned QoS parameter that obtains in a predefined manner can be following two kinds of situation:
First kind of situation do not carried in service request under the situation of QoS parameter, can obtain QoS parameter according to traffic ID;
Second kind of situation carried in service request under the situation of QoS parameter, can from service request, obtain QoS parameter.
In step S206, specify network element can pass through to send resource reservation request, and in resource reservation request, carry QoS parameter, security parameter/safe class to resource control part.
Fig. 3 is the processing sketch map according to the QoS parameter processing method of the inventive method embodiment, and in this method, resource control part is supported the Push pattern, and as shown in Figure 3, this method may further comprise the steps:
User terminal/user network sends the signaling request to professional control section, and certain business of request visit wherein, is carried the traffic ID and this professional qos parameter of institute's requested service in this signaling request, can also comprise this service security parameter/safe class;
Professional control section is under the situation that receives the signaling request; Obtain the qos parameter of institute's requested service, possibly obtain the security parameter/safe class of institute's requested service simultaneously, otherwise obtain the security parameter/safe class of institute's requested service according to above-mentioned traffic ID; And to resource control part transmission resource reservation request; Request QoS resource authorization and reservation wherein, are carried qos parameter, the security parameter/safe class of institute's requested service in this resource reservation request;
Method embodiment two
Fig. 4 is the flow chart according to the QoS parameter processing method of the inventive method embodiment, and is as shown in Figure 4, and this method may further comprise the steps:
Step S402, first specifies network element to receive first service request that user terminal/user network sends, and wherein, carries the traffic ID of requested service to some extent in first service request;
Step S404, first specifies network element from first service request, to obtain traffic ID, obtains QoS parameter according to traffic ID;
Step S406, second specifies network element to receive second service request that user terminal/user network sends, and wherein, carries traffic ID in second service request;
Step S408, second specifies network element from second service request, to obtain traffic ID, obtains security parameter/safe class according to traffic ID;
Step S410; First specifies network element and second to specify network element respectively QoS parameter, security parameter/safe class to be sent to resource control part; So that resource control part is revised QoS parameter according to security parameter, obtain the revision QoS parameter.
Fig. 5 is the processing sketch map according to the QoS parameter processing method of the inventive method embodiment, and in this method, resource control part is supported the Pull pattern, and as shown in Figure 5, this method may further comprise the steps:
Step 5, user network/translator unit receive above-mentioned resource request, and this resource request is sent to resource control part;
Step 6; Resource control part receives resource request; And, utilize the security parameter/safe class of institute's requested service that the qos parameter of institute's requested service is revised according to obtaining the qos parameter of institute's requested service, the security parameter/safe class of institute's requested service in the step 3, obtain the revision qos parameter; And policing rule Network Based, utilize the revision qos parameter that translator unit is carried out the resource reservation decision-making.
QoS parameter processing method according to the inventive method embodiment can also realize in another way that this implementation can be understood with reference to Fig. 5 equally, specifically comprises following processing:
Step 5; User network/translator unit receives above-mentioned service request; And obtain this service security parameter/safe class according to the traffic ID in this service request; And send second resource reservation request to resource control part, wherein, carry service security parameter/safe class in this second resource reservation request;
Step 6; Resource control part receives second resource reservation request; Obtain the security parameter/safe class of institute's requested service; Utilize the security parameter of institute's requested service that the qos parameter that obtains among the step S606 is revised, obtain the revision qos parameter, and based on user's registration information and business information in policing rule, resource state information, the network attachment control section; Utilize the revision qos parameter to accomplish and authorize and admit control, and send information such as admitting control, bag sign and allocated bandwidth decision-making to transport layer.
QoS parameter processing method according to the inventive method embodiment can also realize in another way that this implementation can be understood with reference to Fig. 5 equally, specifically comprises following processing:
System embodiment
Fig. 6 shows the QoS parameter treatment system sketch map according to the embodiment of the invention, and this system comprises professional control section 60, translator unit (also can be user network) 62 and resource control part 64, wherein,
Professional control section 60/ translator unit (also can be user network) 62; Be used to receive the service request that user terminal/user network sends; From service request, obtain traffic ID; Obtain security parameter/safe class according to traffic ID, obtain QoS parameter in a predefined manner, and QoS parameter, security parameter/safe class are sent to resource control part;
Resource control part 64 is used to receive QoS parameter, security parameter/safe class, and according to security parameter/safe class QoS parameter is revised, and obtains the revision QoS parameter.
Through the QoS parameter treatment system that the embodiment of the invention provides, through utilizing security parameter/safe class service quality to be revised, revised QoS parameter has satisfied the requirement of service quality.
As stated, by means of QoS parameter processing method provided by the invention and/or system, through utilizing security parameter/safe class service quality is revised, revised QoS parameter has satisfied the requirement of service quality.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a QoS parameter processing method is characterized in that, comprising:
Be used to obtain the appointment network element reception user terminal of QoS parameter and security parameter or safe class or the service request that user network sends, wherein, carry the traffic ID of requested service to some extent in the said service request;
Said appointment network element obtains said traffic ID from said service request, obtain said security parameter or safe class according to said traffic ID, and obtains said QoS parameter in a predefined manner;
Said appointment network element sends to resource control part with said QoS parameter and said security parameter or safe class; So that said resource control part is revised said QoS parameter according to said security parameter or safe class, obtain the revision QoS parameter.
2. method according to claim 1 is characterized in that, saidly obtains said QoS parameter in a predefined manner and is specially:
Obtain said QoS parameter according to said traffic ID.
3. method according to claim 1 is characterized in that, said appointment network element sends to resource control part with said QoS parameter and said security parameter or safe class and is specially:
Said appointment network element sends resource reservation request to said resource control part, and in said resource reservation request, carries said QoS parameter and said security parameter or safe class.
4. according to claim 1 or 3 described methods, it is characterized in that,
Said resource control part is revised QoS parameter according to said security parameter or safe class, and carries out resource allocation decisions and resource reservation according to the revision QoS parameter.
One of 5. according to each described method in the claim 1 to 3, it is characterized in that, below said security parameter comprises at least: authentication parameter, confidentiality parameter, integrity parameters.
6. according to each described method in the claim 1 to 3, it is characterized in that it is one of following that said appointment network element comprises: professional control section, translator unit, user network.
7. a QoS parameter processing method is characterized in that, comprising:
First specifies network element to receive first service request of user terminal or user network transmission, wherein, carries the traffic ID of requested service to some extent in said first service request;
Said first specifies network element from said first service request, to obtain said traffic ID, obtains QoS parameter according to said traffic ID;
Second specifies network element to receive second service request of said user terminal or user network transmission, wherein, carries said traffic ID in said second service request;
Said second specifies network element from said second service request, to obtain said traffic ID, obtains security parameter or safe class according to said traffic ID;
Said first specifies network element and said second to specify network element respectively said QoS parameter and said security parameter or safe class to be sent to resource control part; So that said resource control part is revised said QoS parameter according to said security parameter or safe class, obtain the revision QoS parameter.
8. a QoS parameter treatment system is characterized in that, comprises professional control section, resource control part, translator unit and user network, wherein,
Professional control section/translator unit/user network; Be used to receive the service request that user terminal sends; From said service request, obtain traffic ID; Obtain security parameter or safe class according to said traffic ID, obtain QoS parameter in a predefined manner, and send said QoS parameter and said security parameter or safe class to said resource control part;
Resource control part is used to receive said QoS parameter and said security parameter or safe class, and according to said security parameter or safe class said QoS parameter is revised, and obtains the revision QoS parameter.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014094258A1 (en) * | 2012-12-19 | 2014-06-26 | 华为技术有限公司 | 3gpp system and method for acquiring user equipment service quality |
| CN104243441A (en) * | 2014-04-09 | 2014-12-24 | 深圳深讯和科技有限公司 | Method and system for controlling streaming media service quality |
| CN114978935B (en) * | 2022-05-16 | 2023-10-20 | 咪咕视讯科技有限公司 | Method, device and storage medium for applying for service quality resource |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1747400A (en) * | 2004-09-08 | 2006-03-15 | 华为技术有限公司 | System and realization for dynamic cooperating service quality in next generation network |
| EP1796312A1 (en) * | 2005-06-13 | 2007-06-13 | Huawei Technologies Co., Ltd. | An edge/packet gateway control system and a method for achieving the control by the edge/packet gateway |
| EP1816789A1 (en) * | 2005-07-30 | 2007-08-08 | Huawei Technologies Co., Ltd. | A method and system for controlling the selection of the transmitting path for the media flow in the next generation network |
| CN101188518A (en) * | 2004-09-08 | 2008-05-28 | 华为技术有限公司 | System for dynamic service quality negotiation of next-generation network and its realization method |
-
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1747400A (en) * | 2004-09-08 | 2006-03-15 | 华为技术有限公司 | System and realization for dynamic cooperating service quality in next generation network |
| CN101188518A (en) * | 2004-09-08 | 2008-05-28 | 华为技术有限公司 | System for dynamic service quality negotiation of next-generation network and its realization method |
| EP1796312A1 (en) * | 2005-06-13 | 2007-06-13 | Huawei Technologies Co., Ltd. | An edge/packet gateway control system and a method for achieving the control by the edge/packet gateway |
| EP1816789A1 (en) * | 2005-07-30 | 2007-08-08 | Huawei Technologies Co., Ltd. | A method and system for controlling the selection of the transmitting path for the media flow in the next generation network |
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