WO2011023050A1 - 用户在线调整带宽的方法及远程认证拨号用户服务器 - Google Patents

用户在线调整带宽的方法及远程认证拨号用户服务器 Download PDF

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Publication number
WO2011023050A1
WO2011023050A1 PCT/CN2010/075534 CN2010075534W WO2011023050A1 WO 2011023050 A1 WO2011023050 A1 WO 2011023050A1 CN 2010075534 W CN2010075534 W CN 2010075534W WO 2011023050 A1 WO2011023050 A1 WO 2011023050A1
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WO
WIPO (PCT)
Prior art keywords
bandwidth
user client
user
nas device
radius server
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PCT/CN2010/075534
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English (en)
French (fr)
Inventor
吴沛东
潘大乾
丁柏
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to IN2391DEN2012 priority Critical patent/IN2012DN02391A/en
Priority to EP10811210.3A priority patent/EP2472815B1/en
Publication of WO2011023050A1 publication Critical patent/WO2011023050A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00Traffic control in data switching networks
    • H04L47/70Admission control; Resource allocation
    • H04L47/76Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0892Network architectures or network communication protocols for network security for authentication of entities by using authentication-authorization-accounting [AAA] servers or protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/10Network architectures or network communication protocols for network security for controlling access to devices or network resources

Definitions

  • the present invention relates to the field of bandwidth access technologies, and in particular, to a method for a user to adjust bandwidth online in an authentication system and a remote authentication dial-up user server.
  • the passive bandwidth limitation of the user is generally used, that is, in the user authentication phase, the uplink and downlink bandwidth information of the user is sent to the NAS in the authentication response packet (network access service)
  • the bandwidth of the user is limited by the NAS device, and the user bandwidth is not adjusted during the duration of the user session. Since the bandwidth is determined when the user logs in, the user cannot change the flexibility.
  • an object of the present invention is to provide a method for a user to adjust bandwidth online and a remote authentication dial-up user server, so that the user can actively adjust the bandwidth amount according to his own needs, thereby improving users in different network applications. Comfort.
  • the present invention provides a method for a user to adjust a bandwidth online.
  • the method includes: Step A: A remote user dial-up authentication service (RADIUS) server receives a request message for changing a current bandwidth sent by a user client; Step B: The RADIUS server obtains the bandwidth requested by the user client by using the request message for changing the current bandwidth, and sends the bandwidth requested by the user client to the network access.
  • a remote user dial-up authentication service (RADIUS) server receives a request message for changing a current bandwidth sent by a user client
  • Step B The RADIUS server obtains the bandwidth requested by the user client by using the request message for changing the current bandwidth, and sends the bandwidth requested by the user client to the network access.
  • RADIUS remote user dial-up authentication service
  • the service (NAS) device After the NAS device completes the bandwidth configuration according to the bandwidth, the RADIUS server sends a message that the bandwidth change succeeds to the user client.
  • the method further includes: calculating, by the RADIUS server, the preset user level value of the user client and the bandwidth requested by the user client. The requesting bandwidth weight of the user client; if the application bandwidth of the user client is not greater than the bandwidth weight of the preset NAS device, the step of sending the bandwidth requested by the user client to the NAS device is performed.
  • the method further includes: if the application bandwidth weight of the user client is greater than a bandwidth weight of the preset NAS device, adjusting the bandwidth requested by the user client, and according to the preset user level value of the user client And the amount of bandwidth applied by the adjusted user client, and the calculated bandwidth weight of the adjusted user client is calculated; if the applied bandwidth of the adjusted user client is not greater than the bandwidth weight of the preset NAS device, The amount of bandwidth requested by the adjusted user client is sent to the NAS device.
  • the method further includes: the RADIUS server authenticating the received authentication request packet from the NAS device, where the authentication request packet is the NAS The device is generated based on the login information submitted by the user client; after the authentication request packet is authenticated, the RADIUS server determines whether the NAS device accepts a preset initial bandwidth amount, and the preset initial bandwidth amount is used by the device. Determining an initial bandwidth setting of the user client login; if yes, the RADIUS server sets a preset initial bandwidth amount in the authentication response packet, and sends the authentication response packet to the NAS device; otherwise, the RADIUS service The initial bandwidth amount is adjusted until the adjusted initial bandwidth amount is accepted by the NAS device.
  • the step of determining, by the RADIUS server, whether the NAS device accepts the preset initial bandwidth the method further includes: calculating, by the RADIUS server, the user client according to the preset user level value of the user client and the preset initial bandwidth amount. Initially applying the bandwidth weight; determining whether the initial application bandwidth weight of the user client is not greater than the bandwidth weight of the preset NAS device.
  • the method further includes: after the initial bandwidth setting of the user client login is completed, the RADIUS server receives a billing request packet sent by the NAS device; and the RADIUS server is configured according to a preset bandwidth amount and a tariff.
  • the standard correspondence is performed for accounting settings on the Internet; after the accounting setting is completed, the RADIUS server sends a billing response packet to the NAS device.
  • the method further includes: the RADIUS server sets a correspondence between the bandwidth amount and the tariff standard; after performing the step 4, the method further includes: According to the correspondence between the bandwidth amount and the tariff standard, the RADIUS server selects a tariff standard corresponding to the changed bandwidth amount for accounting; the RADIUS server corresponds to the bandwidth amount before the change.
  • the tariff standard calculates the tariff before the bandwidth change.
  • the method further includes: sending, by the RADIUS server, all the optional bandwidths in the NAS device corresponding to the user client to the user client. end.
  • the request message for changing the current bandwidth is a request message for changing the current uplink bandwidth and/or a request message for changing the current downlink bandwidth.
  • the present invention further provides a remote authentication dialing user server, comprising: a request receiving module, configured to receive a request message for changing a current bandwidth sent by a user client; and a bandwidth resource receiving module, configured to obtain, according to the request message for changing a current bandwidth The amount of bandwidth requested by the user client, and the amount of the bandwidth requested by the user client is sent to the network access service NAS device; the response module is configured to: after the NAS device completes the bandwidth configuration according to the bandwidth, The message that the user client sends a successful bandwidth change.
  • the bandwidth resource receiving module includes: a bandwidth weight calculation unit, configured to calculate a bandwidth value of the application client according to a preset user level value of the user client and a bandwidth amount requested by the user client; a unit, configured to compare whether the bandwidth weight of the application is greater than a bandwidth weight of the preset NAS device, and if yes, trigger a bandwidth amount adjustment unit, otherwise, send the bandwidth amount requested by the user client to the NAS device;
  • the bandwidth adjustment unit is configured to adjust the bandwidth requested by the user client when the applied bandwidth weight is greater than the bandwidth weight corresponding to the bandwidth bearer value of the current NAS device.
  • At least one of the foregoing technical solutions has the following beneficial effects: First, the user client actively sends a request message for changing the current bandwidth, and the RADIUS (remote dialing user server) delivers the changed bandwidth amount to the NAS device according to the request message, the NAS The device configures the bandwidth according to the changed bandwidth, so that the user can actively initiate the bandwidth change through the client software, and the user does not need to go offline when changing the bandwidth, compared with the method that the commonly used user passively allocates bandwidth.
  • the user has a greater initiative, and the bandwidth can be reasonably selected according to his own needs, achieving the effect of comfort and economy simultaneously.
  • FIG. 1 is a first flowchart of a method for a user to adjust bandwidth online according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for a user to adjust bandwidth online according to an embodiment of the present invention
  • 3 is a flow chart of determining the amount of bandwidth to be accepted in the embodiment of the present invention
  • FIG. 4 is a flowchart of a method for adjusting bandwidth of a user in an 802.IX authentication system according to an embodiment of the present invention
  • Step 101 The RADIUS server authenticates the received authentication request packet from the NAS device; The package is generated for the NAS device based on the login information submitted by the user client.
  • the user client When the user client performs a login operation, the user client first sends the login information to the NAS device.
  • the login information may be a username and a password, and then the NAS device may generate an authentication request packet according to the username and password, and send the authentication request packet.
  • the RADIUS server authenticates the authentication request packet.
  • the authentication method can be used to determine whether the username and password are correct.
  • the authentication request packet can be authenticated.
  • Step 102 After the authentication request packet is authenticated, the RADIUS server determines whether the NAS device can accept the preset initial bandwidth amount. If yes, go to step 103; otherwise, go to step 104. In this step, you can compare the user request bandwidth weight value.
  • the preset initial bandwidth amount can be set by the operator according to the specific situation. The setting mode only needs to ensure that when a certain amount of bandwidth is applied, the user with a high level will be preferentially obtained, and thus the specific value of the user level value may not be limited.
  • the bandwidth weight value of the above-mentioned preset NAS device is set by the operator according to the operation experience. For example, a correspondence between a NAS device and a plurality of bearer bandwidth values (including uplink and downlink) may be preset, and the bearer bandwidth value is set by an empirical value (set by an operator according to an operation experience), and may be set in multiple levels. Each level also sets the corresponding user application bandwidth weight, so that whether to accept the bandwidth request can be determined for different situations.
  • the admission algorithm for determining the amount of accepted bandwidth in this step is: When the allocated bandwidth of a certain NAS device does not exceed a certain level of bandwidth, the bandwidth of the application for limiting the user shall not be greater than a certain value. Otherwise, the application is rejected.
  • the bandwidth of the primary device is 100M, the bandwidth of the primary device is 15; the bandwidth of the secondary device is 1000M, and the bandwidth of the secondary device is 10; 10000M, the bandwidth of the third-level device is 5.
  • the bandwidth of the primary device is 100M, the bandwidth of the primary device is 15; the bandwidth of the secondary device is 1000M, and the bandwidth of the secondary device is 10; 10000M, the bandwidth of the third-level device is 5.
  • it is only required to ensure that users with high ranks will obtain priority when applying equal bandwidth amounts, and thus may not be limited to specific values of bandwidth weights of primary, secondary and tertiary devices.
  • the amount of bandwidth allocated by the NAS device reaches 500M at this time, when receiving from a silver card user.
  • the bandwidth weight (20) applied by the user is greater than the bandwidth weight of the secondary device (10), so the application can be rejected.
  • Step 103 The RADIUS server sets the preset initial bandwidth amount in the authentication response packet, and responds with an authentication response.
  • the packet is sent to the NAS device, and then step 105 is performed;
  • the RADIUS server sets the initial bandwidth that the NAS device can accept in the authentication response packet, and then sends the authentication response packet to the NAS device, and the NAS device completes the initial bandwidth setting of the user client login according to the initial bandwidth amount.
  • the authentication response packet further includes an IP address of the RADIUS server and a UDP (User Data Protocol) port number for monitoring the user client, and the IP address and the UDP port number can be set in the authentication response packet.
  • UDP User Data Protocol
  • the RADIUS server accumulates the initial bandwidth amount into the allocated amount of bandwidth of the NAS device, and updates the record of the allocated bandwidth of the NAS device, so as to serve as a basis for subsequent acceptance of other user clients.
  • Step 104 The RADIUS server adjusts the initial bandwidth, and then returns to step 102. When the NAS device does not accept the initial bandwidth, the RADIUS server needs to adjust the initial bandwidth, for example, using other smaller bandwidths as an initial The amount of bandwidth is then returned to step 102.
  • Step 105 After the initial bandwidth amount of the user client login is set, the RADIUS server receives the accounting request packet sent by the NAS device.
  • the RADIUS server has a preset bandwidth amount and a tariff standard.
  • Step 107 After the accounting setting is completed, the RADIUS server sends a billing response packet to the NAS device. At this point, the authentication and accounting processing of the user client is completed, and the user client can access the Internet normally. Continue to see Figure 2.
  • Step 108 The RADIUS server sends all the optional bandwidths of the NAS device corresponding to the user client to the user client.
  • the user client can actively send the RADIUS server according to the IP address and UDP port number of the RADIUS server obtained through the transparent transmission.
  • the RADIUS server can send all the optional bandwidths of the NAS device corresponding to the user client to the user client.
  • the bandwidth conversion operation can be performed according to the optional bandwidth amount obtained in this step.
  • Step 109 The RADIUS server receives the request message for changing the current bandwidth sent by the user client.
  • the RADIUS server may send the change to the RADIUS server according to the IP address and UDP port number of the RADIUS server.
  • the bandwidth request message; the request message for changing the current bandwidth may be a request message for changing the current uplink bandwidth and/or a request message for changing the current downlink bandwidth.
  • the amount of the changed bandwidth can be directly set in the request message for changing the current bandwidth. For example, when the user client wants to apply for the 5M bandwidth, the bandwidth of the user client is directly sent to the RADIUS server through the request message.
  • the RADIUS server parses the amount of bandwidth requested by the user client from the request message, and may also send the bandwidth requested by the user client to the RADIUS server by other means, for example, the RADIUS server requests the message.
  • the information related to the amount of bandwidth after the change is parsed, and the amount of bandwidth requested by the user client is queried through the information.
  • Step 110 The RADIUS server obtains the bandwidth requested by the user client according to the request message for changing the current bandwidth, and determines whether the NAS device can accept the bandwidth requested by the user client. If the step 4 is performed, the execution step 4 is 112; The RADIUS server determines the validity of the request message for changing the current bandwidth. If it is a legal request message, the bandwidth amount acceptance judgment mode in FIG.
  • Step 2 can also be used to determine whether the NAS device can accept the bandwidth requested by the user client. If the NAS device can receive the bandwidth, the RADIUS server can send the new bandwidth information to the NAS device through a dynamic authorization request packet (CoA-Request), and the NAS device performs bandwidth according to the changed bandwidth. Configuration. Step 111: After the NAS device completes the bandwidth configuration according to the changed bandwidth, the RADIUS server sends a message that the bandwidth change succeeds to the user client. Step 112: The RADIUS server calculates the tariff before the bandwidth change according to the tariff standard corresponding to the bandwidth before the change.
  • CoA-Request dynamic authorization request packet
  • Step 113 The correspondence between the preset bandwidth and the tariff standard, the RADIUS server selects the tariff standard corresponding to the changed bandwidth for accounting; in steps 111-113, the NAS device configures according to the dynamic authorization package information, and the success is performed.
  • COA-Response dynamic ⁇ authorized response packet
  • the RADIUS server restarts the session before the bandwidth change according to the corresponding tariff call list, and modifies the user session information from the change point.
  • the RADIUS server can also respond to the request message of the user client in step 109.
  • the result of the bandwidth change is sent to the user client. At this point, the user has completed an active change process of the user's online bandwidth.
  • Step 114 The RADIUS server adjusts the amount of bandwidth requested by the user client, and then returns to step 4 to gather 110.
  • the RADIUS server needs to adjust the bandwidth, for example, selecting other
  • the amount of bandwidth that the user client selects is the amount of bandwidth requested by the user client, and then returns to step 110.
  • the RADIUS server according to the The request message delivers the changed bandwidth amount to the NAS device, and the NAS device performs the bandwidth configuration according to the changed bandwidth amount, so that the user can actively initiate the bandwidth change through the client software, and the user does not need to change the bandwidth.
  • the user has greater initiative, and the bandwidth can be reasonably selected according to his own needs, and the effect of comfort and economy can be achieved simultaneously.
  • the above technical solutions can effectively improve user satisfaction, and help to improve the competitiveness of enterprises and ARPU (average revenue per user).
  • Steps 401 to 403, based on the 802.1X authentication mode, are used between the client and the NAS device.
  • EAPoL extensible Authentication Protocol over LAN Send authentication information.
  • the NAS device can obtain the username and password submitted by the user client.
  • a user tariff policy group may be preset in the bandwidth tariff management module, where the user tariff policy group includes multiple bandwidths selectable by the user client, and a tariff standard corresponding to the multiple bandwidths.
  • the bandwidth resource application is successful, a successful message is returned to the RADIUS server; if the bandwidth resource application is unsuccessful, the lower uplink and downlink bandwidth in the tariff policy group is selected, and the application is performed again until the application is successful, if If it is unsuccessful, the user client is denied online.
  • Step 406 After the authentication and the application for the bandwidth resource are successful, the RADIUS server sends an authentication response packet Access-Accept to the NAS device.
  • the above-mentioned authentication response packet includes uplink and downlink bandwidth information for which the bandwidth resource application is successful,
  • the upstream and downstream bandwidth information can be used for the NAS device to complete the initial bandwidth setting of the user client login.
  • the above information can be saved in TLV format (TLV ie type, length, value), placed in the replay-message attribute, and transparently transmitted to the user client.
  • Step 407 After receiving the authentication response packet, the NAS device performs initial uplink and downlink bandwidth configuration on the NAS device, and sends an EAP success packet to the user client, where the user authentication succeeds.
  • Step 408 After the user authentication succeeds, the NAS device also actively initiates a billing request packet, an Account-Request, to the RADIUS server.
  • Step 409 After receiving the accounting request packet, the RADIUS server establishes a memory session of the user; at this time, the RADIUS server also registers with the bandwidth resource admission module (receiving the accounting request packet indicates that the initial bandwidth amount has been successfully delivered), This initial amount of bandwidth is added to the corresponding NAS device allocated band Go in the width.
  • Step 410 The RADIUS server sends a response packet to the NAS device, and the user client can access the network normally after the user authentication and the length of the user are successful.
  • Step 411 The user client uses the transparently obtained RADIUS server IP address and UDP port number to actively query the RADIUS server to obtain all optional uplink and downlink bandwidth entries in the user tariff policy group.
  • Step 412 After the RADIUS server authenticates the user request to be legal, the RADIUS server sends the currently available uplink and downlink bandwidth entries of the user client to the user client.
  • Step 413 When the user client needs to adjust the bandwidth online, the user client uses the transparently obtained RADIUS server IP address and UDP port number to send a request for changing the bandwidth to the RADIUS server, and the request format is also sent in the TLV format. .
  • Step 415 The RADIUS server fills in the dynamic uplink request bandwidth (COA-Request) and sends the new uplink and downlink bandwidth information requested by the user client to the corresponding NAS according to the RFC3576 protocol.
  • the NAS device performs bandwidth configuration according to the bandwidth information of the dynamic authorization request packet.
  • the dynamic authorization response packet COA-Response
  • the dynamic authorization failure packet COA-Failure
  • the RADIUS server After receiving the dynamic authorization failure packet, the RADIUS server directly sends a bandwidth change request failure message to the user client.
  • Step 417 The RADIUS server changes the registration bandwidth to the bandwidth resource admission module. If the RADIUS server receives the dynamic authorization response packet (COA-Response), the bandwidth change is successful, and then the RADIUS server changes the registration bandwidth to the bandwidth resource admission module.
  • the main operation is to release the original bandwidth of the user client and increase the bandwidth of the new application (mainly more The amount of allocated bandwidth for the new NAS device).
  • the session information before the bandwidth change can also be calculated, and a bill is generated.
  • the corresponding tariff standard is the tariff standard corresponding to the amount of bandwidth before the change.
  • the starting time point for updating the user session is the bandwidth change point
  • the corresponding tariff standard is the tariff standard corresponding to the new bandwidth.
  • Step 418 The RADIUS server notifies the user client of the message that the bandwidth change is successful. If the bandwidth change fails, a message that the change failed is sent. Of course, when the user client goes offline, the amount of occupied bandwidth is released, so that subsequent users can continue to use it.
  • the user can change the current bandwidth in the online state, effectively satisfy the user's demand for the network application, and the user bandwidth and the tariff are linked, and the user can rationally plan the bandwidth according to his own needs. To achieve the comfort and economy of network applications, operators can also improve their competitiveness and ARPU value by using this method. It is a way to provide more personalized Internet access.
  • other embodiments of the present invention also provide a remote authentication dial-up user server.
  • FIG. 5 is a structural block diagram of a RADIUS server according to an embodiment of the present invention.
  • the RADIUS server includes: a request receiving module 51, configured to receive a request message for changing a current bandwidth sent by a user client;
  • the module 52 is configured to obtain, according to the request message that changes the current bandwidth, the amount of bandwidth requested by the user client, and send the amount of bandwidth requested by the user client to the NAS device.
  • the response module 53 is configured to complete the bandwidth of the NAS device. After the bandwidth is configured, a message that the bandwidth change succeeds is sent to the user client.
  • the bandwidth resource admission module 52 includes: The bandwidth weight calculation unit 521 is configured to calculate the application bandwidth weight of the user client according to the preset user level value of the user client and the bandwidth amount requested by the user client; the bandwidth weight comparison unit 522 is configured to compare the application bandwidth. Whether the weight is greater than the bandwidth weight of the preset NAS device, if yes, triggering the bandwidth adjustment unit, otherwise, the bandwidth requested by the user client is sent to the NAS device; the bandwidth adjustment unit 523 is configured to apply for the bandwidth weight When the bandwidth weight corresponding to the bandwidth bearer value of the current NAS device is greater than that, the amount of bandwidth requested by the user client is adjusted.
  • the above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make thousands of improvements and retouchings without departing from the principles of the present invention. It should be considered as the scope of protection of the present invention.

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  • Telephonic Communication Services (AREA)

Description

用户在线调整带宽的方法及远程 正拨号用户服务器 技术领域 本发明属于带宽接入技术领域, 尤其涉及一种在认证系统中用户在线调 整带宽的方法及远程认证拨号用户月艮务器。 背景技术 在当前运营商开展的宽带业务中, 一般均釆用对用户被动的带宽限制, 即在用户认证阶段, 在认证响应包中将用户的上下行带宽信息下发到 NAS (网络接入服务)设备上, 因此在用户的整个上网阶段, 由 NAS 设备实现 对用户带宽的限制, 并且用户会话的存续期间不再进行用户带宽的调整。 由于带宽在用户登陆时就确定了, 用户无法再丈灵活改变, 然而用户在 实际使用网络的过程中,往往针对不同的应用对网络带宽的需求也是不同的。 例如当用户仅仅浏览网页时, 用户对带宽的要求较低, 过高的带宽设置导致 资源的浪费。 当用户需要看在线电影时, 往往希望有较高的带宽。 在实现本发明的过程中, 发现现有技术至少存在如下问题: 在釆用现有 的分配带宽技术中, 由于无法根据用户的实际需求来调整带宽, 导致这些用 户需求的差异性无法得到有效的满足。 发明内容 为了解决上述问题, 本发明的目的是提供一种用户在线调整带宽的方法 及远程认证拨号用户服务器, 使得用户能够自身的需求主动的对带宽量进行 调整, 可提高用户在不同网络应用中的舒适性。 为了达到上述目的, 本发明提供一种用户在线调整带宽的方法, 所述方 法包括: 步骤 A、 远程用户拨号认证服务 ( RADIUS )服务器接收用户客户端发 送的变更当前带宽的请求消息; 步骤 B、 所述 RADIUS服务器 居所述变更当前带宽的请求消息获取用 户客户端申请的带宽量, 并将所述用户客户端申请的带宽量发送给网络接入 服务 ( NAS )设备; 步骤 C、所述 NAS设备才艮据所述带宽量完成带宽配置后, 所述 RADIUS 服务器向所述用户客户端发送带宽变更成功的消息。 优选的, 将所述用户客户端申请的带宽量发送给所述 NAS 设备之前, 所述方法还包括: 所述 RADIUS服务器根据用户客户端的预设用户级别值和用户客户端申 请的带宽量计算出用户客户端的申请带宽权值; 若所述用户客户端的申请带宽权值不大于预设的 NAS 设备的带宽权值 时, 执行将用户客户端申请的带宽量发送给所述 NAS设备的步骤。 优选的, 所述方法还包括: 若所述用户客户端的申请带宽权值大于预设的 NAS设备的带宽权值时, 调整用户客户端申请的带宽量, 并根据用户客户端的预设用户级别值和调整 后的用户客户端申请的带宽量,计算出调整后的用户客户端的申请带宽权重; 若所述调整后的用户客户端的申请带宽权值不大于预设的 NAS 设备的 带宽权值时, 将调整后的用户客户端申请的带宽量发送给所述 NAS设备。 优选的, 在执行所述步 4聚 A之前, 所述方法还包括: 所述 RADIUS 艮务器对接收到的来自所述 NAS设备的认证请求包进行 认证, 所述认证请求包为所述 NAS 设备基于所述用户客户端提交的登陆信 息生成; 在所述认证请求包通过认证后, 所述 RADIUS服务器判断所述 NAS设 备是否接纳预设初始带宽量, 所述预设初始带宽量用于所述用户客户端登陆 的初始带宽设置; 若是, 所述 RADIUS服务器将预设初始带宽量设置在认证回应包中, 并 将所述认证回应包发送给所述 NAS设备; 否则, 所述 RADIUS 艮务器对所述初始带宽量进行调整, 直至调整后的 初始带宽量被所述 NAS设备接纳。 优选的, 所述 RADIUS服务器判断所述 NAS设备是否接纳预设初始带 宽量的步骤具体包括: 所述 RADIUS服务器根据用户客户端的预设用户级别值和所述预设初始 带宽量计算出用户客户端的初始申请带宽权值; 判断所述用户客户端的初始申请带宽权值是否不大于预设的 NAS 设备 的带宽权值。 优选的, 所述方法还包括: 所述用户客户端登陆的初始带宽设置完成后, 所述 RADIUS服务器接收 所述 NAS设备发送的记账请求包; 所述 RADIUS服务器根据预先设置的带宽量与资费标准的对应关系进行 上网的记账设置; 所述记账设置完成后, 所述 RADIUS 艮务器向所述 NAS设备发送记账 回应包。 优选的, 在执行所述步 4聚 A之前, 所述方法还包括: 所述 RADIUS月艮务器设置带宽量与资费标准的对应关系; 在执行完步 4聚 C之后, 所述方法还包括: 才艮据所述带宽量与资费标准的对应关系, 所述 RADIUS月艮务器选取与变 更后的带宽量对应的资费标准进行记账; 所述 RADIUS服务器根据与变更前的带宽量对应的资费标准计算出带宽 变更前的资费。 优选的, 在执行所述步 4聚 A之前, 所述方法还包括: 所述 RADIUS月艮务器将与所述用户客户端对应的 NAS设备中的所有可 选带宽量发送给所述用户客户端。 优选的, 所述变更当前带宽的请求消息为变更当前上行带宽的请求消息 和 /或变更当前下行带宽的请求消息。 本发明还提供一种远程认证拨号用户服务器, 包括: 请求接收模块, 用于接收用户客户端发送的变更当前带宽的请求消息; 带宽资源接纳模块, 用于根据所述变更当前带宽的请求消息获取用户客 户端申请的带宽量, 并将所述用户客户端申请的带宽量发送给网络接入服务 NAS设备; 回应模块, 用于当所述 NAS 设备根据所述带宽量完成带宽配置后, 向 所述用户客户端发送带宽变更成功的消息。 优选的, 所述带宽资源接纳模块包括: 带宽权值计算单元, 用于根据用户客户端的预设用户级别值和用户客户 端申请的带宽量计算出用户客户端的申请带宽权值; 带宽权值比较单元, 用于比较所述申请带宽权值是否大于预设的 NAS 设备的带宽权值, 若是, 触发带宽量调整单元, 否则, 将所述用户客户端申 请的带宽量发送给所述 NAS设备; 带宽量调整单元, 用于在所述申请带宽权值大于与当前 NAS 设备的带 宽承载值对应的带宽权值时, 对用户客户端申请的带宽量进行调整。 上述技术中的至少一个技术方案具有如下有益效果: 首先用户客户端主 动发送改变当前带宽的请求消息, RADIUS (远程拨号用户服务器)根据该 请求消息向 NAS设备下发变更后的带宽量, 该 NAS设备根据变更后的带宽 量进行带宽配置, 从而使得用户能够通过客户端软件就可以主动发起带宽变 更, 而且在变更带宽时不需要用户下线, 与现在普遍使用的用户被动分配带 宽的方法相比, 在上述技术方案中用户有更大的主动权, 可根据自己的需要 合理选取带宽, 达到舒适性与经济性并举的效果。 并且对于运营商来说, 上 述技术方案可有效提高用户的满意度,有利于提高企业的竟争力和 ARPU(每 用户平均收益)值。 附图说明 图 1为本发明的实施例中用户在线调整带宽的方法流程图一; 图 2为本发明的实施例中用户在线调整带宽的方法流程图二 图 3 为本发明的实施例中判断接纳带宽量的流程图; 图 4为本发明的实施例中应用在 802. IX认证系统中的用户在线调整带宽 的方法流程图; 图 5为本发明的实施例中 RADIUS服务器的结构框图。 具体实施方式 为了使本发明实施例的目的、 技术方案和优点更加清楚明白, 下面结合 实施例和附图, 对本发明实施例做进一步详细地说明。 在此, 本发明的示意 性实施例及说明用于解释本发明, 但并不作为对本发明的限定。 如图 1所述, 为本发明的实施例中用户在线调整带宽的方法流程图, 具 体步 4聚如下: 步骤 101、 RADIUS服务器对接收到的来自 NAS设备的认证请求包进行 认证; 上述认证请求包为 NAS 设备基于用户客户端提交的登陆信息生成。 当 用户客户端进行登陆操作时, 该用户客户端首先将登陆信息送给 NAS设备, 该登陆信息可以是用户名和密码, 然后 NAS 设备可根据用户名和密码生成 认证请求包, 并将认证请求包发送给 RADIUS服务器, 该 RADIUS服务器对 该认证请求包进行认证, 认证的方式可以釆用判断用户名和密码是否正确, 当用户名和密码都正确时, 可该认证请求包通过认证。 步骤 102、 该认证请求包通过认证后, RADIUS服务器判断 NAS设备是 否能够接纳预设初始带宽量, 若是, 执行步骤 103; 否则, 执行步骤 104; 在本步骤中, 可以通过比较用户申请带宽权重值和预设的 NAS 设备的 带宽权重值的大小来判断 NAS是否能够接纳该预设初始带宽量; 上述用户申请带宽权重值可釆用如下公式计算: 用户申请带宽权重值 = 用户级别值 预设初始带宽量, 其中用户级别值可赋的数值为: 1 (金牌用 户)、 2 (银牌用户)和 3 (铜牌用户), 当然该用户级别值可赋的数值并不限 于此。 预设初始带宽量可由运营商根据具体情况进行设置, 设置方式只需保 证在申请相等的带宽量时, 等级高的用户将优先获得, 因此可并不限定用户 级别值的具体数值。 上述预设的 NAS 设备的带宽权重值由运营商根据运营经验来设置。 例 如, 可预先设置 NAS 设备与多个承载带宽值 (包括上行、 下行) 之间的对 应关系, 该承载带宽值釆用经验值设置(由运营商根据运营经验设置), 并且 可设置多级, 每个级别还设置对应的用户申请带宽权重, 从而可针对不同的 情况来判断是否接纳带宽申请。 此时, 本步骤中的判断接纳带宽量的接纳算法为: 当某一个 NAS 设备 的已分配带宽量不超过某级^载带宽值时, 限制此用户的申请带宽权值也不 得大于某一数值, 否则均拒绝申请。 参见图 2, 为本发明的实施例中判断接 纳带宽量的流程图。 首先可预先设置以下数值: 一级设备带宽承载值为 100M, —级设备带 宽权值为 15; 二级设备带宽承载值为 1000M, 二级设备带宽权值为 10; 三 级设备带宽承载值为 10000M, 三级设备带宽权值为 5。 当然在本实施例中只 需保证在申请相等的带宽量时, 等级高的用户将优先获得, 因此可并不限于 一级、 二级和三级设备带宽权值的具体数值。 假设此时该 NAS设备已分配的带宽量达到 500M, 当接收来自银牌用户
A发起的申请 10M带宽时(步骤 301 ), 当判断 NAS设备已分配的带宽大于 一级设备带宽承载值,而小于二级设备带宽承载值时(步骤 302和步骤 304 ), 接着判断用户申请的带宽权值是否大于二级设备带宽权值 (步骤 305 )„ 由上述可知, 该用户申请的带宽权值 =2 (银牌用户的用户级别值) 10 (用户申请带宽量) =20, 由于计算得到的用户申请的带宽权值 (20 ) 大于 二级设备带宽权值 ( 10 ), 所以可拒绝此申请。 当用户的带宽申请被拒绝后, 可对用户申请的带宽量进行调整 (将申请 带宽由 10M调整为 5M ), 该银牌用户 A发起申请 5M带宽的请求, 此时调 整后的用户申请的带宽权值 =2 (银牌用户的用户级别值) X 5 (用户申请带 宽量) =10, 由于计算得到的用户申请的带宽权值 ( 10 ) 不大于二级设备带 宽权值 ( 10 ), 所以可批准此申请。 由于用户申请带宽权值包含了用户级别的信息(例如用户级别值), 因此 可以保证在带宽资源紧张时, 级别高的用户可以申请到更大的带宽量。 步骤 103、 RADIUS服务器将预设初始带宽量设置在认证回应包中, 并 将认证回应包发送给 NAS设备, 然后执行步骤 105; RADIUS服务器将 NAS设备能够接纳的初始带宽设置在认证回应包中, 然后将该认证回应包发送给 NAS设备, 由 NAS设备根据该初始带宽量完成 用户客户端登陆的初始带宽设置。 当然, 在该认证回应包中还包括 RADIUS月艮务器的 IP地址和用于监听 用户客户端的 UDP (用户数据 4艮协议)端口号, 该 IP地址和 UDP端口号可 设置在认证回应包中的 replay-message属性中, 并且该 IP地址和 UDP端口 号最终会透传给用户客户端。 在本步骤中, 该 RADIUS服务器将该初始带宽量累加到 NAS设备已分 配的带宽量中, 并更新该 NAS 设备已分配带宽量的记录, 以便作为后续是 否接纳其他用户客户端的依据。 步骤 104、 RADIUS服务器对初始带宽量进行调整, 然后返回步骤 102; 当 NAS设备不接纳初始带宽量时, 该 RADIUS 艮务器需要对初始带宽 量进行调整, 例如选用其他较小的带宽量作为初始带宽量, 然后返回步骤 102; 步骤 105、 用户客户端登陆的初始带宽量设置完成后, RADIUS服务器 接收 NAS设备发送的记账请求包; 步骤 106、 RADIUS服务器 居预先设置的带宽量与资费标准的对应关 系进行上网的记账设置; 在本实施例中, 可预先设置带宽量与资费标准的对应关系, 因此可使得 RADIUS服务器根据不同的带宽设置选用不同的资费标准进行记账, 使得用 户可 居自己的应用需求, 在选用不同的带宽后, 可实现资费相应变化, 能 够达到网络应用的舒适性和经济性并举的目的。 对运营商来说这种方法无疑 也会大大增加市场竟争力。 步骤 107、 记账设置完成后, RADIUS服务器向 NAS设备发送记账回应 包。 至此, 用户客户端的认证和记账处理均完成,用户客户端可以正常上网。 继续参见图 2。 步骤 108、 RADIUS服务器将与用户客户端对应的 NAS设备中的所有可 选带宽量发送给用户客户端; 用户客户端可根据透传得到的 RADIUS服务器的 IP地址和 UDP端口号, 主动向 RADIUS服务器发起查询请求,当 RADIUS服务器对该查询请求验证 为合法后, 可将与用户客户端对应的 NAS 设备中的所有可选带宽量发送给 用户客户端。 当用户需要在线调整带宽时, 可根据本步骤中获取的可选带宽 量来进行变换带宽的操作。 步骤 109、 RADIUS服务器接收用户客户端发送的变更当前带宽的请求 消息; 当用户客户端需要变更带宽时,可根据透传得到的 RADIUS服务器的 IP 地址和 UDP端口号, 主动向 RADIUS服务器发送变更当前带宽的请求消息; 该变更当前带宽的请求消息可以是变更当前上行带宽的请求消息和 /或变更 当前下行带宽的请求消息。 在本实施例中, 该变更当前带宽的请求消息中可直接设置变更后的带宽 量, 例如当用户客户端想申请 5M带宽时, 直接通过请求消息将用户客户端 申请的带宽量发送给 RADIUS服务器,然后 RADIUS服务器从该请求消息中 解析出用户客户端申请的带宽量, 当然也可通过其他方式将用户客户端申请 的带宽量发送给 RADIUS月艮务器,例如 RADIUS月艮务器从请求消息中解析出 与变更后带宽量相关的信息,再通过该信息查询出用户客户端申请的带宽量。 步骤 110、 RADIUS服务器根据变更当前带宽的请求消息获取用户客户 端申请的带宽量, 判断 NAS 设备是否能够接纳用户客户端申请的带宽量, 若是执行步 4聚 111 , 否则执行步 4聚 112; 首先 RADIUS服务器对该变更当前带宽的请求消息进行合法性判断, 如 果为合法的请求消息, 则同样可釆用图 2中的带宽量接纳判断方式判断 NAS 设备是否能够接纳用户客户端申请的带宽量, 若能够该 NAS 设备能够接纳 该带宽量, 该 RADIUS服务器可将新的带宽量的信息, 通过动态授权请求包 ( CoA-Request )下发给 NAS设备, NAS设备根据该变更后的带宽量进行带 宽配置。 步骤 111、 当 NAS设备根据变更后的带宽量完成带宽配置后, RADIUS 服务器向用户客户端发送带宽变更成功的消息; 步骤 112、 RADIUS服务器根据与变更前的带宽对应的资费标准计算出 带宽变更前的资费。 步骤 113、 居预设的带宽与资费标准的对应关系, RADIUS服务器选 取与变更后的带宽对应的资费标准进行记账; 在步骤 111〜113中, NAS设备根据动态授权包信息进行配置, 成功则发 回一个动态 ^受权回应包 ( COA-Response ) 给 RADIUS月艮务器。 RADIUS 务器在收到此包后, 将带宽变更前的会话按照对应的资费出话单, 并修改用 户会话信息从变更点重新开始, RADIUS服务器也可回应步骤 109中用户客 户端的请求消息, 将带宽变更的结果发给用户客户端。 至此用户完成了一次 用户在线带宽的主动变更过程。 当用户客户端下线时, 按照相应的资费标准进行出话单, 并释放用户客 户端最后申请的带宽, 以便后续用户客户端继续申请。 步骤 114、 RADIUS服务器对用户客户端申请的带宽量进行调整, 然后 返回步 4聚 110; 当 NAS设备不接纳用户客户端申请的带宽量时, 该 RADIUS服务器需 要对带宽量进行调整, 例如选用其他较 d、的用户客户端可选的带宽量作为用 户客户端申请的带宽量, 然后返回步骤 110; 由上述技术方案可知, 当用户客户端主动发送改变当前带宽的请求消息 后, RADIUS服务器根据该请求消息向 NAS设备下发变更后的带宽量, 该 NAS设备 居变更后的带宽量进行带宽配置,从而使得用户能够通过客户端 软件就可以主动发起带宽变更, 而且在变更带宽时不需要用户下线, 与现在 普遍使用的用户被动分配带宽的方法相比, 在上述技术方案中用户有更大的 主动权, 可根据自己的需要合理选取带宽, 可达到舒适性与经济性并举的效 果。 并且对于运营商来说, 上述技术方案可有效提高用户的满意度, 有利于 提高企业的竟争力和 ARPU (每用户平均收益)值。 下面以 802. IX认证为例,结合图 4对用户在线主动调整带宽的流程做进 一步描述, 具体步 4聚如下: 步骤 401〜403、 基于 802.1X认证方式在客户端和 NAS设备之间是使用 基于局 i或网的扩展十办议( EAPoL, extensible Authentication Protocol over LAN ) 传送认证信息。 通过步骤 401〜403的交互, NAS设备可获得用户客户端提交的用户名和 密码。 步骤 404、NAS设备向 RADIUS月艮务器发出认证请求包 Access-Request; 步骤 405、 RADIUS服务器在接收到认证请求包后, 进行认证处理; 首先该 RADIUS服务器查询预先设置的初始带宽量向带宽资源管理模块 申请带宽资源。 例如可在带宽资费管理模块中预先设置用户资费策略组, 该用户资费策 略组中包括用户客户端可选用的多条带宽, 以及与该多条带宽对应的资费标 准。 在本步骤中, 若带宽资源申请成功, 则向 RADIUS服务器返回成功的消 息; 若带宽资源申请不成功, 则选用资费策略组中较低的上下行带宽, 再次 进行申请, 直至申请成功, 如果均不能成功, 则拒绝用户客户端上线。 步骤 406、 在认证和申请带宽资源成功后, RADIUS服务器向 NAS设备 发送认证回应包 Access- Accept。 在上述认证回应包中包括有带宽资源申请成功的上下行带宽信息、
RADIUS服务器的 IP地址, 及 RADIUS服务器和用户客户端通信的 UDP端 口信息, 其中上下行带宽信息可用于 NAS 设备完成用户客户端登陆的初始 带宽设置。 上述信息可釆用 TLV 格式 (TLV 即类型、 长度、 值) 保存, 放在 replay-message属性中, 并透传到用户客户端。 步骤 407、 NAS设备接收到认证回应包后, 对 NAS设备进行初始的上 下行带宽配置, 并发送 EAP success包给用户客户端, 用户认证成功。 步骤 408、 NAS 设备在用户认证成功后, 还会主动发起记账请求包 Account-Request给 RADIUS月艮务器。 步骤 409、 RADIUS服务器在收到记账请求包后, 建立用户的内存会话; 此时 RADIUS服务器还要向带宽资源接纳模块注册(收到记账请求包表 明初始带宽量已下发成功), 将此初始带宽量累加到对应 NAS设备已分配带 宽量中去。 步骤 410 、 RADIUS 月艮务器向 NAS 设备发 出 ΐ己贝长回应 包 Account-Response, 用户认证、 ΐ己贝长均成功后, 用户客户端可以正常上网。 步骤 411、 用户客户端釆用透传得到的 RADIUS服务器 IP地址和 UDP 端口号, 主动向 RADIUS服务器进行查询, 获得此用户资费策略组中所有可 选的上下行带宽条目。 步骤 412、 RADIUS服务器对用户请求进行验证为合法后, 将用户客户 端当前可选的上下行带宽条目发给用户客户端。 步骤 413、 当用户客户端需要在线调整带宽时, 用户客户端釆用透传得 到的 RADIUS服务器 IP地址和 UDP端口号,向 RADIUS服务器发送需要变 更带宽的请求, 请求格式也釆用 TLV格式进行发送。 步骤 414、 RADIUS服务器获得变更带宽的请求后, 首先验证是否是合 法请求, 然后向带宽资源接纳模块进行申请带宽。 在本步骤中, 如果申请被拒绝, 则 RADIUS服务器可向用户客户端发送 请求失败应答。 如果申请被同意, 则进行后续步骤; 步骤 415、 RADIUS服务器遵照 RFC3576协议, 将用户客户端申请的新 的上下行带宽信息填充到动态授权请求包 ( COA-Request ) 中, 下发给对应 的 NAS设备 步骤 416、 NAS设备根据动态授权请求包的带宽信息进行带宽配置; 在本步骤中, 如果 NAS设备配置成功, 则向 RADIUS服务器发送动态 授权回应包 ( COA-Response )。 如果 NAS设备配置失败, 则向 RADIUS服 务器发送动态授权失败包 (COA-Failure ), RADIUS 服务器在接收到动态授 权失败包后, 则直接向用户客户端发送带宽变更请求失败的消息。 步骤 417、 RADIUS服务器向带宽资源接纳模块进行注册带宽的变更; 如果 RADIUS服务器收到动态授权回应包 ( COA-Response ), 表示带宽 变更已经成功, 然后 RADIUS服务器向带宽资源接纳模块进行注册带宽的变 更, 主要操作为释放用户客户端原来的带宽, 增加新申请的带宽 (主要是更 新 NAS设备对应的已分配带宽量)。 在本步骤中, 还可对对带宽变更前的会话信息进行计算, 并生成话单。 相应的资费标准为变更前带宽量对应的资费标准。 当然, 更新用户会话的开 始时间点为带宽变更点, 对应的资费标准为新带宽对应的资费标准。 步骤 418、 RADIUS服务器将带宽变更成功的消息通知给用户客户端。 如果带宽变更失败, 则发送变更失败的消息。 当然当用户客户端下线时, 要释放占用的带宽量, 以便后续用户继续使用。 经过以上步骤, 可实现用户在线状态下对当前带宽进行变更, 有效满足 用户对网络应用的需求, 并且用户带宽和资费是联动的, 用户可以 居自己 的需求合理规划带宽。 达到网络应用的舒适性和经济性并举的目的, 运营商 釆用此方法也能提高企业竟争力和 ARPU值, 是提供更人性化上网月艮务的一 条途径。 为了实现上述的方法实施例, 本发明的其他实施例还提供了一种远程认 证拨号用户服务器。 另需首先说明的是, 由于下述的实施例是为实现前述的 方法实施例, 故该服务器中的模块都是为了实现前述方法的各步骤而设, 但 本发明并不限于下述的实施例, 任何可实现上述方法的 艮务器和模块都应包 含于本发明的保护范围。 并且在下面的描述中, 与前述方法相同的内容在此 省略, 以节约篇幅。 如图 5 , 为本发明的实施例中 RADIUS服务器的结构框图, 由图中可知, 该 RADIUS服务器包括: 请求接收模块 51 , 用于接收用户客户端发送的变更当前带宽的请求消 息; 带宽资源接纳模块 52, 用于根据变更当前带宽的请求消息获取用户客户 端申请的带宽量, 并将用户客户端申请的带宽量发送给 NAS设备; 回应模块 53 , 用于当所述 NAS设备 居带宽量完成带宽配置后, 向用 户客户端发送带宽变更成功的消息。 在本发明的另一实施例中, 带宽资源接纳模块 52包括: 带宽权值计算单元 521 , 用于根据用户客户端的预设用户级别值和用户 客户端申请的带宽量计算出用户客户端的申请带宽权值; 带宽权值比较单元 522 , 用于比较所述申请带宽权值是否大于预设的 NAS设备的带宽权值, 若是, 触发带宽量调整单元, 否则, 将用户客户端申 请的带宽量发送给 NAS设备; 带宽量调整单元 523 ,用于在申请带宽权值大于与当前 NAS设备的带宽 承载值对应的带宽权值时, 对用户客户端申请的带宽量进行调整。 以上所述仅是本发明的优选实施方式, 应当指出, 对于本技术领域的普 通技术人员来说, 在不脱离本发明原理的前提下, 还可以作出若千改进和润 饰, 这些改进和润饰也应视为本发明的保护范围。

Claims

权 利 要 求 书
1. 一种用户在线调整带宽的方法, 其特征在于, 所述方法包括:
步骤 A、 远程用户拨号认证服务 RADIUS服务器接收用户客户端 发送的变更当前带宽的请求消息;
步骤 B、 所述 RADIUS服务器根据所述变更当前带宽的请求消息 获取用户客户端申请的带宽量,并将所述用户客户端申请的带宽量发送 给网络接入服务 NAS设备;
步骤 C、 所述 NAS 设备 居所述带宽量完成带宽配置后, 所述 RADIUS服务器向所述用户客户端发送带宽变更成功的消息。
2. 根据权利要求 1所述的方法, 其特征在于, 将所述用户客户端申请的 带宽量发送给所述 NAS设备之前, 所述方法还包括:
所述 RADIUS 服务器根据用户客户端的预设用户级别值和所述用 户客户端申请的带宽量计算出用户客户端的申请带宽权值;
若所述用户客户端的申请带宽权值不大于预设的 NAS设备的带宽 权值时, 执行将所述用户客户端申请的带宽量发送给所述 NAS设备的 步骤。
3. 根据权利要求 2所述的方法, 其特征在于, 所述方法还包括:
若所述用户客户端的申请带宽权值大于预设的 NAS设备的带宽权 值时, 调整用户客户端申请的带宽量, 并根据用户客户端的所述预设用 户级别值和调整后的用户客户端申请的带宽量,计算出调整后的用户客 户端的申请带宽权重;
若所述调整后的用户客户端的申请带宽权值不大于所述预设的 NAS 设备的带宽权值时, 将所述调整后的用户客户端申请的带宽量发 送给所述 NAS设备。
4. 根据权利要求 1所述的方法, 其特征在于, 在执行所述步骤 A之前, 所述方法还包括:
所述 RADIUS服务器对接收到的来自所述 NAS设备的认证请求包 进行认证, 所述认证请求包为所述 NAS设备基于所述用户客户端提交 的登陆信息生成;
在所述认证请求包通过认证后, 所述 RADIUS 月艮务器判断所述 NAS 设备是否接纳预设初始带宽量, 所述预设初始带宽量用于所述用 户客户端登陆的初始带宽设置;
若是, 所述 RADIUS 服务器将所述预设初始带宽量设置在认证回 应包中, 并将所述认证回应包发送给所述 NAS设备;
否则, 所述 RADIUS 月艮务器对所述预设初始带宽量进行调整, 直 至调整后的初始带宽量被所述 NAS设备接纳。
5. 根据权利要求 4所述的方法, 其特征在于, 所述 RADIUS服务器判断 所述 NAS设备是否接纳预设初始带宽量包括:
所述 RADIUS 服务器根据用户客户端的预设用户级别值和所述预 设初始带宽量计算出用户客户端的初始申请带宽权值;
判断所述用户客户端的初始申请带宽权值是否不大于预设的 NAS 设备的带宽权值。
6. 根据权利要求 4所述的方法, 其特征在于, 所述方法还包括:
所述用户客户端登陆的初始带宽设置完成后, 所述 RADIUS 服务 器接收所述 NAS设备发送的记账请求包;
所述 RADIUS 月艮务器 居预先设置的带宽量与资费标准的对应关 系进行上网的记账设置;
所述记账设置完成后, 所述 RADIUS服务器向所述 NAS设备发送 ΐ己贝长回应包。
7. 根据权利要求 1所述的方法, 其特征在于, 在执行所述步骤 Α之前, 所述方法还包括:
所述 RADIUS服务器设置带宽量与资费标准的对应关系; 在执行完步 4聚 C之后, 所述方法还包括:
才艮据所述带宽量与资费标准的对应关系, 所述 RADIUS 月艮务器选 取与变更后的带宽量对应的资费标准进行记账;
所述 RADIUS 服务器根据与变更前的带宽量对应的资费标准计算 出带宽变更前的资费。
8. 根据权利要求 1所述的方法, 其特征在于, 在执行所述步骤 A之前, 所述方法还包括:
所述 RADIUS服务器将与所述用户客户端对应的 NAS设备中的所 有可选带宽量发送给所述用户客户端。
9. 根据权利要求 1所述的方法, 其特征在于, 所述变更当前带宽的请求 消息为变更当前上行带宽的请求消息和 /或变更当前下行带宽的请求 消息。
10. —种远程认证拨号用户月艮务器, 其特征在于, 包括: 请求接收模块,用于接收用户客户端发送的变更当前带宽的请求消 息;
带宽资源接纳模块,用于根据所述变更当前带宽的请求消息获取用 户客户端申请的带宽量,并将所述用户客户端申请的带宽量发送给网络 接入服务 NAS设备;
回应模块,用于当所述 NAS设备才艮据所述带宽量完成带宽配置后 , 向所述用户客户端发送带宽变更成功的消息。
11. 居权利要求 10所述的远程认证拨号用户月艮务器, 其特征在于, 所述 带宽资源接纳模块包括:
带宽权值计算单元,用于才艮据用户客户端的预设用户级别值和所述 用户客户端申请的带宽量计算出用户客户端的申请带宽权值;
带宽权值比较单元, 用于比较所述申请带宽权值是否大于预设的 NAS 设备的带宽权值, 若是, 触发带宽量调整单元, 否则, 将所述用 户客户端申请的带宽量发送给所述 NAS设备;
带宽量调整单元, 用于在所述申请带宽权值大于与当前 NAS设备 的带宽承载值对应的带宽权值时, 对用户客户端申请的带宽量进行调 整。
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