CN101335998B - QoS parameter processing method and system - Google Patents
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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 field of communications, and in particular, to a method and a system for processing qos parameters.
Background
With the development of the IP (Internet Protocol) technology, in order to meet the requirement of users on the Quality of Service (QoS) of packet Networks, Next Generation Networks (NGN) are proposed.
Based on packet technology, NGN adopts the techniques of mutual separation of service layer and transport layer, mutual separation of application and service control, and mutual separation of transport control and transport, and can support various existing access techniques, provide services of voice, data, video, stream media, etc., and can support various services on the existing mobile network, implement the integration of fixed network and mobile network, and according to the requirements of users, ensure the service quality of user services.
Fig. 1 is a structural architecture diagram of an NGN architecture, as shown in fig. 1, the NGN architecture mainly includes a network access control portion, a resource control portion, a transmission portion, a service control portion, and a user terminal/user network portion, and the following briefly introduces the components and functions of each portion:
the Network access Control part is used for providing information such as registration, authentication authorization, address allocation, parameter configuration, location management and the like for a user terminal/user Network accessed to the NGN Network, and the Network access Control part can be a Network Attachment Subsystem (NAS for short) in TISPAN NGN and a Network Attachment Control function entity (NACF for short) in the ITU-T NGN.
The Resource Control part is used for completing Admission Control and Resource reservation when the user terminal/user network accesses the network based on the Policy and the network Resource state, and the Resource Control part may include a Resource Admission Control Subsystem (RACS for short) in TISPAN NGN, a medium Resource Admission Control Function (RACF for short) in the ITU-T NGN, and a Policy and charging Rules Function (PCRF for short) in the 3GPP mobile network.
A transfer part, configured to complete information transfer, where the transfer part may be a Transfer Processing Function (TPF) in the tispan NGN, a Transfer Function (TF) in the ITU-T NGN, and a Policy and Charging Enforcement Function (PCEF) in the 3GPP mobile network.
The Service Control part belongs to a part of a Service layer and is used for completing registration, authentication authorization and resource Control on a Service layer, and the Service Control part can be TISPAN NGN Service Control Subsystems (SCS for short), ITU-TNGN Service Control Functions (SCF for short), and IMS (IMS for short) in a 3GPP mobile network.
User terminal/user network part: for providing Network access functions to users, such as TISPAN NGN and (Customer preferences Equipment, abbreviated as CPE)/(Customer preferences Network, abbreviated as CPN) in ITU-T NGN, mobile terminal/wireless side in 3GPP mobile networks.
The NGN includes different users and different services, where different users may have different security requirements and quality of service requirements, the same user may also have different security requirements and quality of service requirements for different services, and even the same user may also have different security requirements and quality of service requirements for the same service in different application environments.
When a legal user terminal/user network uses the NGN, in order to ensure the service quality, the resource control part will make admission control and network resource reservation decisions according to the service request (including parameters such as service priority, service bandwidth requirement) and the network resource status information, but the influence of security measures on the service quality is not considered in the process. In fact, the security measures and the service quality are mutually influenced, and if the service quality has no security measures to prevent various attacks, network congestion is caused; on the other hand, the implementation of the security measures also requires the use of certain network resources, and if the impact of the security measures is not considered during resource allocation, the service quality may be significantly affected, for example, the time delay of the processing procedure may be increased by the authentication or encryption process. However, when the current resource control part makes admission control and resource allocation decisions, the impact of security measures on the service quality is not considered, so the obtained conclusion may not meet the requirement of the service quality.
Disclosure of Invention
The present invention is proposed in consideration of the problem that the current resource control part cannot satisfy the requirement of the service quality without considering the influence of the security measure on the service quality when performing admission control and resource allocation decision in the related art, and therefore, the main object of the present invention is to provide a method and a system for processing the service quality parameters to solve the above problem.
According to one aspect of the invention, a quality of service parameter processing method is provided.
The method for processing the service quality parameters comprises the following steps: a designated network element for acquiring a service quality parameter and a security parameter or a security level receives a service request sent by a user terminal or a user network, wherein the service request carries a service ID of a requested service; the appointed network element obtains a service ID from the service request, obtains a security parameter or a security level according to the service ID, and obtains a service quality parameter in a preset mode; the designated network element sends the service quality parameters, the security parameters or the security levels to the resource control part, so that the resource control part revises the service quality parameters according to the security parameters or the security levels to obtain revised service quality parameters, wherein the obtaining of the service quality parameters in a predetermined manner specifically comprises the following steps: and acquiring the service quality parameters according to the service ID.
Preferably, the sending, by the designated network element, the quality of service parameter, the security parameter, or the security level to the resource control part specifically includes: and the designated network element sends a resource reservation request to the resource control part, and carries the service quality parameters, the security parameters or the security level in the resource reservation request.
The resource control part revises the service quality parameter according to the security parameter or the security level and carries out resource allocation decision and resource reservation according to the revised service quality parameter.
Wherein the security parameters include at least one of: authentication parameters, confidentiality parameters, integrity parameters.
Wherein, the specified network element comprises: a service control part, a transmission part and a user network.
According to one aspect of the invention, a quality of service parameter processing method is provided.
The method for processing the service quality parameters provided by the embodiment of the invention comprises the following steps: a first designated network element receives a first service request sent by a user terminal or a user network, wherein the first service request carries a service ID of a requested service; the first appointed network element acquires a service ID from the first service request and acquires a service quality parameter according to the service ID; a second designated network element receives a second service request sent by a user terminal or a user network, wherein the second service request carries a service ID; the second appointed network element acquires the service ID from the second service request and acquires the security parameter or the security level according to the service ID; the first designated network element and the second designated network element respectively send the service quality parameters, the security parameters or the security levels to the resource control part, so that the resource control part revises the service quality parameters according to the security parameters or the security levels to obtain revised service quality parameters.
According to another aspect of the present invention, a quality of service parameter processing system is provided.
The service quality parameter processing system comprises a service control part, a resource control part, a transmission part and a user network, wherein the service control part/the transmission part/the user network is used for receiving a service request sent by a user terminal, acquiring a service ID from the service request, acquiring a safety parameter or a safety level according to the service ID, acquiring the service quality parameter in a preset mode and sending the service quality parameter, the safety parameter or the safety level to the resource control part; and the resource control part is used for receiving the service quality parameters, the security parameters or the security levels, revising the service quality parameters according to the security parameters or the security levels and obtaining revised service quality parameters.
Through at least one technical scheme of the invention, the service quality is revised by utilizing the safety parameters/safety levels, and the revised service quality parameters meet the requirements of the service quality.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a network structural diagram of an NGN architecture according to the related art;
fig. 2 is a flow chart of a method for processing qos parameters according to a first embodiment of the method of the present invention;
fig. 3 is a processing diagram of a qos parameter processing method according to a first embodiment of the present invention;
fig. 4 is a flow chart of a method of processing quality of service parameters according to a second embodiment of the method of the present invention;
fig. 5 is a processing diagram of a qos parameter processing method according to a second embodiment of the present invention;
fig. 6 is a schematic diagram of a system for processing quality of service parameters in accordance with an embodiment of the present system.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Since the media stream is sensitive to the delay, the quality of service may be significantly degraded when the encryption/decryption processing and integrity processing are performed on the media stream, so as to ensure that the service requested by the user has stable quality of service, the influence of the security measures on the delay needs to be considered, and the QoS parameter is revised by using the security parameter/security level, so as to ensure that the reserved resource can meet the service requirement. Thus, the resource control part not only needs to obtain the QoS parameters, but also needs to obtain the security parameters and the security level, wherein the security parameters refer to parameters which can obviously influence the QoS performance such as authentication, confidentiality, integrity and the like, for example, the authentication parameters, the confidentiality parameters, the integrity parameters and the like, the resource control part is added with a QoS parameter revision function, and when resource decision and allocation are carried out, the QoS parameters are revised by using the obtained security parameters/security level to obtain revised QoS parameters, and resource reservation is requested by using the revised QoS parameters.
Method embodiment one
According to an embodiment of the present invention, a method for processing a quality of service parameter is provided.
Fig. 2 is a flowchart of a method for processing a quality of service parameter according to an embodiment of the present invention, as shown in fig. 2, the method includes the following steps:
step S202, a designated network element for obtaining service quality parameters and security parameters receives a service request sent by a user terminal/user network, wherein the service request carries a service ID of a requested service, and the designated network element can be located in a service control part, a transmission part and a user network;
step S204, the designated network element obtains a service ID from the service request, obtains a security parameter/security level according to the service ID, and obtains a quality of service parameter in a predetermined manner, where the security parameter may include at least one of the following: authentication parameters, confidentiality parameters and integrity parameters, wherein the security level can be divided into a security level 1, a security level 2, a security level 3, a security level 4, a security level 5 and the like;
step S206, the appointed network element sends the service quality parameter and the security parameter/security level to the resource control part, so that the resource control part revises the service quality parameter according to the security parameter/security level to obtain the revised service quality parameter. Wherein the resource control part has a QoS parameter revision function.
Thereafter, the resource control portion may revise the quality of service parameter according to the security parameter/security level, and make resource allocation decisions and resource reservations according to the revised quality of service parameter.
According to the technical scheme provided by the embodiment of the invention, the service quality is revised by utilizing the safety parameters/safety levels, and the revised service quality parameters meet the requirements of the service quality.
The obtaining of the qos parameter in the predetermined manner may be performed as follows:
in the first case, the qos parameter may be obtained according to the service ID when the service request does not carry the qos parameter;
in the second case, the qos parameter may be obtained from the service request when the service request carries the qos parameter.
In step S206, the designated network element may send a resource reservation request to the resource control part, and the resource reservation request carries the quality of service parameter, the security parameter, and the security level.
Fig. 3 is a processing schematic diagram of a qos parameter processing method according to an embodiment of the present invention, in which a resource control unit supports a Push mode, as shown in fig. 3, the method includes the following steps:
a user terminal/a user network sends a signaling request to a service control part to request to access a certain service, wherein the signaling request carries a service ID of the requested service and a QoS parameter of the service and can also contain a security parameter/security level of the service;
the service control part obtains the QoS parameter of the requested service under the condition of receiving the signaling request, possibly obtains the security parameter/security level of the requested service at the same time, otherwise obtains the security parameter/security level of the requested service according to the service ID, and sends a resource reservation request to the resource control part to request QoS resource authorization and reservation, wherein the QoS parameter, the security parameter/security level of the requested service are carried in the resource reservation request;
and 3, the resource control part receives the resource reservation request, obtains the QoS parameters of the requested service and the security parameters/security levels of the requested service, revises the QoS parameters of the requested service by using the security parameters/security levels of the requested service to obtain revised QoS parameters, and completes authorization and admission control by using the revised QoS parameters based on the policy rules, the resource state information and the user registration information in the network attachment control part.
Method embodiment two
Fig. 4 is a flow chart of a method for processing quality of service parameters according to an embodiment of the method of the present invention, as shown in fig. 4, the method comprising the steps of:
step S402, a first designated network element receives a first service request sent by a user terminal/a user network, wherein the first service request carries a service ID of a requested service;
step S404, the first appointed network element obtains a service ID from the first service request, and obtains a service quality parameter according to the service ID;
step S406, a second designated network element receives a second service request sent by a user terminal/user network, wherein the second service request carries a service ID;
step S408, the second appointed network element obtains a service ID from the second service request, and obtains a security parameter/security level according to the service ID;
step S410, the first designated network element and the second designated network element respectively send the quality of service parameter, the security parameter/the security level to the resource control portion, so that the resource control portion revises the quality of service parameter according to the security parameter to obtain a revised quality of service parameter.
Fig. 5 is a processing diagram of a qos parameter processing method according to an embodiment of the present invention, in which a resource control unit supports a Pull mode, as shown in fig. 5, the method includes the following steps:
step 5, the user network/transmission part receives the resource request and sends the resource request to the resource control part;
and 6, the resource control part receives the resource request, revises the QoS parameter of the requested service by utilizing the security parameter/security level of the requested service according to the QoS parameter of the requested service and the security parameter/security level of the requested service obtained in the step 3 to obtain a revised QoS parameter, and performs resource reservation decision on the transmission part by utilizing the revised QoS parameter based on the network policy rule.
The qos parameter processing method according to the embodiment of the present invention may also be implemented in another way, and the implementation manner may also be understood with reference to fig. 5, and specifically includes the following processing:
step 5, the user network/transmission part receives the service request, and obtains the security parameter/security level of the service according to the service ID in the service request, and sends a second resource reservation request to the resource control part, wherein the second resource reservation request carries the security parameter/security level of the service;
and 6, the resource control part receives the second resource reservation request, obtains the security parameters/security level of the requested service, revises the QoS parameters obtained in the step 606 by using the security parameters of the requested service to obtain revised QoS parameters, completes authorization and admission control by using the revised QoS parameters based on the policy rules, the resource state information, the user registration information and the service information in the network attachment control part, and sends information such as admission control, packet identification, bandwidth allocation decision and the like to the transmission layer.
The qos parameter processing method according to the embodiment of the present invention may also be implemented in another way, and the implementation manner may also be understood with reference to fig. 5, and specifically includes the following processing:
and 3, the resource control part receives the resource reservation request, obtains the QoS parameters and the security parameters/security levels of the requested service, revises the QoS parameters by using the security parameters/security levels of the requested service to obtain revised QoS parameters, completes authorization and admission control by using the revised QoS parameters based on the policy rules, the resource state information, the user registration information and the service information in the network attachment control part, and sends information such as admission control, packet identification, bandwidth allocation decision and the like to the transmission layer.
System embodiment
Fig. 6 shows a schematic diagram of a qos parameter processing system according to an embodiment of the present invention, which includes a traffic control part 60, a transport part (which may also be a user network) 62, and a resource control part 64, wherein,
a service control part 60/transmission part (also can be a user network) 62, configured to receive a service request sent by a user terminal/user network, obtain a service ID from the service request, obtain a security parameter/security level according to the service ID, obtain a quality of service parameter in a predetermined manner, and send the quality of service parameter, the security parameter/security level to the resource control part;
and a resource control part 64 for receiving the service quality parameter and the security parameter/security level, and revising the service quality parameter according to the security parameter/security level to obtain a revised service quality parameter.
According to the service quality parameter processing system provided by the embodiment of the invention, the service quality is revised by using the security parameter/security level, and the revised service quality parameter meets the requirement of the service quality.
As described above, by means of the qos parameter processing method and/or system provided by the present invention, the qos is revised by using the security parameter/security level, and the revised qos parameter satisfies the qos requirement.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A method for processing quality of service parameters is characterized by comprising the following steps:
a designated network element for acquiring a service quality parameter and a security parameter or a security level receives a service request sent by a user terminal or a user network, wherein the service request carries a service ID of a requested service;
the designated network element acquires the service ID from the service request, acquires the security parameter or the security level according to the service ID, and acquires the service quality parameter in a predetermined mode;
and the designated network element sends the service quality parameters and the security parameters or the security levels to a resource control part, so that the resource control part revises the service quality parameters according to the security parameters or the security levels to obtain revised service quality parameters.
2. The method according to claim 1, wherein the obtaining the quality of service parameters in a predetermined manner is specifically:
and acquiring the service quality parameter according to the service ID.
3. The method according to claim 1, wherein the sending, by the specified network element, the quality of service parameter and the security parameter or the security level to a resource control part specifically comprises:
and the specified network element sends a resource reservation request to the resource control part, and the service quality parameter and the security parameter or the security level are carried in the resource reservation request.
4. The method according to claim 1 or 3,
the resource control part revises the service quality parameter according to the security parameter or the security level and carries out resource allocation decision and resource reservation according to the revised service quality parameter.
5. The method according to any of claims 1 to 3, wherein the security parameters comprise at least one of: authentication parameters, confidentiality parameters, integrity parameters.
6. The method according to any of claims 1 to 3, wherein the specified network element comprises one of: a service control part, a transmission part and a user network.
7. A method for processing quality of service parameters is characterized by comprising the following steps:
a first designated network element receives a first service request sent by a user terminal or a user network, wherein the first service request carries a service ID of a requested service;
the first appointed network element acquires the service ID from the first service request and acquires a service quality parameter according to the service ID;
a second designated network element receives a second service request sent by the user terminal or the user network, wherein the second service request carries the service ID;
the second designated network element acquires the service ID from the second service request, and acquires a security parameter or a security level according to the service ID;
and the first specified network element and the second specified network element respectively send the service quality parameters and the security parameters or the security levels to a resource control part, so that the resource control part revises the service quality parameters according to the security parameters or the security levels to obtain revised service quality parameters.
8. A quality of service parameter processing system comprising a traffic control part, a resource control part, a transmission part and a user network, wherein,
a service control part/a transmission part/a user network, which is used for receiving a service request sent by a user terminal, acquiring a service ID from the service request, acquiring a security parameter or a security level according to the service ID, acquiring a service quality parameter in a preset mode, and sending the service quality parameter and the security parameter or the security level to the resource control part;
and the resource control part is used for receiving the service quality parameters and the security parameters or the security levels, and revising the service quality parameters according to the security parameters or the security levels to obtain revised service quality parameters.
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| CN104054358B (en) * | 2012-12-19 | 2018-01-16 | 华为技术有限公司 | A kind of method and 3GPP system for obtaining user apparatus 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 |
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| 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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| 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 |
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