WO2012155673A1 - 一种业务流限速值动态调整的方法及装置 - Google Patents

一种业务流限速值动态调整的方法及装置 Download PDF

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Publication number
WO2012155673A1
WO2012155673A1 PCT/CN2012/072856 CN2012072856W WO2012155673A1 WO 2012155673 A1 WO2012155673 A1 WO 2012155673A1 CN 2012072856 W CN2012072856 W CN 2012072856W WO 2012155673 A1 WO2012155673 A1 WO 2012155673A1
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Prior art keywords
flow rate
flow
service
limit value
speed limit
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PCT/CN2012/072856
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English (en)
French (fr)
Inventor
吴洲
Original Assignee
中兴通讯股份有限公司
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Publication of WO2012155673A1 publication Critical patent/WO2012155673A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00Traffic control in data switching networks
    • H04L47/10Flow control; Congestion control
    • H04L47/20Traffic policing

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and apparatus for dynamically adjusting a traffic rate limit value. Background technique
  • DSL Digital Subscriber Line
  • modem DSL client access device
  • a DSL line can carry multiple services, such as the above network, IPTV, and telephone, which all need to occupy a certain bandwidth.
  • the bandwidth of one service affects the bandwidth of another service.
  • the DSL line carries both Internet access and IPTV services. If the bandwidth of the Internet service is too large, it will cause IPTV. Video pause phenomenon; If the IPTV service bandwidth is too large, it will cause users to experience slow Internet access.
  • the existing user bandwidth allocation policy is to allocate a fixed bandwidth to the two types of services. For example, the bandwidth of the DSL line is 4M, the speed limit of the pre-configured Internet service is 1M, and the speed limit of the IPTV service is 3M.
  • the problem with this method is that if the user does not access the Internet, the bandwidth of 1M will be wasted and cannot be used for IPTV. If the user does not watch IPTV, the bandwidth of 3M cannot be used for Internet access, and thus cannot be more
  • the file transfer protocol (FTP, File Transfer Protocol) is downloaded at a high rate.
  • Another strategy is to allocate based on the principle of service priority, for example, to set IPTV as a high-priority service.
  • IPTV When there is an IPTV application, the IPTV will occupy the required bandwidth and the remaining bandwidth will be provided to the Internet service; when there is no IPTV application.
  • the Internet service will be able to use the entire bandwidth.
  • the disadvantage of this method is that there is no speed limit for all types of business. For example, the bandwidth of the DSL line is 10M.
  • the IPTV When there is an IPTV application, the IPTV will occupy the required 3M bandwidth, and the remaining 7M bandwidth will be used for the Internet service.
  • the bandwidth of the Internet service will affect the user's IPTV. For example, if the Thunder download is 7M.
  • the rate of downloading, the corresponding uplink bandwidth is also increased, which in turn affects the uplink bandwidth of the IPTV.
  • the most serious situation is that the uplink bandwidth is exhausted by the Internet service, which causes the operation of the IPTV to change the channel and the uplink traffic to fail.
  • Another existing method performs a fixed rate limit on a service that requires a strict rate limit based on the principle of service priority allocation.
  • the bandwidth of the DSL line is 10M.
  • the IPTV will occupy the required 3M bandwidth, and the remaining 7M bandwidth will only allocate 2M to the Internet service. This can solve the problem that the bandwidth of the Internet service is too large to affect the IPTV service.
  • this strategy exists. If IPTV does not use bandwidth, users can only use 2M bandwidth to access the Internet. Summary of the invention
  • the invention provides a method and a device for dynamically adjusting a traffic flow rate limit value, which are used to optimize a bandwidth allocation strategy and further improve the bandwidth usage rate.
  • the method for dynamically adjusting the rate limit of a service flow includes: when transmitting at least two service flows, controlling a flow rate of the service flow to be adjusted according to a flow rate of the service flow to be tracked.
  • An apparatus for dynamically adjusting a traffic rate limit value includes: a transmission unit, configured to transmit a service flow;
  • control unit configured to adjust a flow rate of the service flow to be tracked when transmitting at least two service flows Control the flow rate of the traffic to be adjusted.
  • the embodiment of the present invention controls the flow rate of the service flow to be adjusted according to the flow rate of the traffic to be tracked. Therefore, the embodiment of the present invention can optimize the bandwidth allocation strategy and further improve the bandwidth usage rate when multiple service flows are parallel.
  • FIG. 1 is a schematic flow chart of a specific embodiment of a method for dynamically adjusting a traffic flow rate limit value according to the present invention
  • FIG. 1 is a schematic flowchart diagram of another specific embodiment of a method for dynamically adjusting a traffic flow rate limit value according to the present invention
  • FIG. 3 is a schematic structural view of an embodiment of a system of the present invention. detailed description
  • the flow rate of the traffic to be adjusted is controlled according to the flow rate of the traffic to be tracked.
  • FIG. 1 is a schematic flow chart of a specific embodiment of a method for dynamically adjusting a traffic flow rate limit value according to the present invention.
  • the specific process of dynamically adjusting the traffic rate limit value in the embodiment of the present invention is as follows:
  • Step 101 Transfer two service flows.
  • Step 102 Determine whether the flow rate of the traffic to be tracked exceeds a set flow rate threshold. If yes, go to step 103, otherwise go to step 104.
  • Step 103 Adjust the rate limit value of the service flow to the configured initial rate limit value.
  • Step 104 Adjust a speed limit value of the service flow to a configured target speed limit value.
  • the flow of the service flow to be adjusted may be controlled periodically according to the flow rate of the service flow to be tracked.
  • the speed, or the set interval controls the flow rate of the traffic to be adjusted according to the flow rate of the traffic to be tracked.
  • the flow rate of the adjusted traffic flow is performed by a transmitting end of the transport service flow, or is performed by a receiving end of the transport service flow, or a digital subscriber line access multiplexer for forwarding a traffic flow between the transmitting end and the receiving end ( DSLAM) execution.
  • FIG. is a schematic flowchart diagram of another specific embodiment of a method for dynamically adjusting a traffic flow rate limit value according to the present invention.
  • Step 201 Transmit two service flows.
  • Step 202 Obtain a flow rate of the traffic to be tracked.
  • Step 203 Determine whether the flow rate of the traffic to be tracked exceeds a set first flow rate threshold. If yes, step 204 is performed, otherwise step 205 is performed.
  • Step 204 Adjust the rate limit of the service flow to the configured initial rate limit, and return to the step.
  • Step 205 Determine whether the flow rate of the traffic to be tracked does not exceed the threshold of the set second flow rate. If yes, execute step 206, otherwise return to step 202.
  • Step 206 Adjust the rate limit value of the service flow to the configured target speed limit value, and return to the step.
  • step 203 is greater than the second flow rate threshold in step 205.
  • 3 is a schematic structural view of an embodiment of a device of the present invention.
  • an apparatus for dynamically adjusting a traffic flow rate limit value includes: a transmission unit 31, and a control unit 32.
  • a transmission unit 31, configured to transmit a service flow
  • the control unit 32 is configured to control, when the at least two service flows are transmitted, the flow rate of the service flow to be adjusted according to the flow rate of the service flow to be tracked.
  • control unit 32 is configured to determine whether the flow rate of the to-be-tracked service flow exceeds a setting.
  • the flow rate threshold if the set flow rate threshold is exceeded, the speed limit value of the service flow is adjusted to the configured initial speed limit value; if the set flow rate threshold is not exceeded, the speed limit value of the service flow is Adjusted to the configured target speed limit value, where the initial speed limit value is less than the target speed limit value.
  • the control unit 32 is configured to obtain a flow rate of the service flow to be tracked; if the flow rate of the service flow to be tracked exceeds the set first flow rate threshold, adjust the speed limit value of the service flow to the configured initial speed limit value. If the flow rate of the traffic to be tracked does not exceed the set second flow rate threshold, the speed limit value of the service flow is adjusted to the configured target speed limit value, wherein the initial speed limit value is less than the target speed limit value, A flow rate threshold is greater than a second flow rate threshold.
  • the control unit 32 is configured to periodically control the flow rate of the service flow to be adjusted according to the flow rate of the service flow to be tracked, or control the flow rate of the service flow to be adjusted according to the flow rate of the service flow to be tracked after the set interval time.
  • the transmission unit 31 is located at the transmitting end of the transport service stream, or at the receiving end of the transport service stream, or a digital subscriber line access multiplexer located at the forwarding traffic between the sender and the receiver.
  • the embodiment of the present invention controls the flow rate of the service flow to be adjusted according to the flow rate of the traffic to be tracked. Therefore, the embodiment of the present invention can optimize the bandwidth allocation strategy and further improve the bandwidth usage rate when multiple service flows are parallel.
  • the invention controls the flow rate of the service flow to be adjusted according to the flow rate of the service flow to be tracked when transmitting at least two service flows, so that the bandwidth can be optimized when multiple service flows are paralleled. Matching strategy to further increase bandwidth usage

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Description

一种业务流限速值动态调整的方法及装置 技术领域
本发明涉及通信技术领域, 特别是一种业务流限速值动态调整的方法 及装置。 背景技术
随着互联网络迅猛发展和普及, 以及一些热点应用如交互式网络电视
( IPTV, Internet Protocol Television )、 网络电话 ( VOIP, Voice over Internet Protocol ), 视频监控、 会议电视、 高速上网等增值业务不断推出, 个人及商 业用户对宽带接入的需求日益提高。 当前几种宽带接入技术中, 多种数字 用户线路( DSL, Digital Subscriber Line )技术因能充分利用现有铜线资源, 使用户独享稳定带宽, 保密性好, 性能日趋成熟, 成为宽带接入的主流手 段。 数字用户线路访问多路复用器( DSLAM, Digital Subscriber Line Access Multiplexer )是 DSL局端接入设备。 DSL用户端接入设备称为调制解调器
( Modem )。
DSL线路作为一个通道, 之上可以 载多种业务, 如上网、 IPTV、 电 话等, 这些业务都需要占用一定的带宽。 实际使用中有这样一种情况, 即 一种业务的带宽会影响到另外一种业务的带宽, 例如, DSL 线路上承载上 网、 IPTV两类业务, 如果上网业务的带宽过大, 则会造成 IPTV视频停顿 现象; 如果 IPTV业务带宽过大, 则会造成用户上网网速慢的体验。
现有的用户带宽分配策略, 一种是给两类业务分配固定的带宽, 例如, DSL线路带宽 4M, 预配置上网业务限速 1M, IPTV业务限速 3M。 这种方 法存在的问题是, 如果用户不上网, 那么 1M 的带宽将浪费不能使用于 IPTV, 如果用户不看 IPTV, 那么 3M的带宽不能用于上网, 从而不能以更 高的速率进行文件传输协议 ( FTP, File Transfer Protocol ) 下载。
另一种策略是基于业务优先级的原则分配,例如设定 IPTV为高优先级 的业务, 那么当有 IPTV应用时, IPTV将占用需要的带宽, 剩余的带宽给 上网业务; 当没有 IPTV应用时, 上网业务将可以使用整个带宽。 这种方法 的缺点在于, 对于各类业务没有限速。 比如, DSL线路带宽为 10M, 当有 IPTV应用时, IPTV将占用需要的 3M带宽, 剩余的 7M全部带宽给上网业 务, 但上网业务带宽过大会影响到用户的 IPTV, 如迅雷下载如果以 7M的 速率下载, 相应的上行带宽也增加, 反过来会影响 IPTV的上行带宽, 最严 重的情况是上行带宽被上网业务耗尽,导致 IPTV换台等需要上行流量的操 作失败。
作为上述策略的改进, 现有的另一种方法在基于业务优先级的原则分 配的基础上, 对需要严格限速的业务进行固定限速。 比如, DSL线路带宽 为 10M, 当有 IPTV应用时, IPTV将占用需要的 3M带宽, 剩余的 7M带 宽中只分配 2M给上网业务,这样可以解决上网业务带宽过大对 IPTV业务 影响的问题。 但这种策略存在如果 IPTV 不使用带宽, 用户还是只能使用 2M带宽上网的问题。 发明内容
本发明提供一种业务流限速值动态调整的方法及装置, 用以优化带宽 分配策略, 进一步提高带宽的使用率。
本发明实施例提供的一种业务流限速值动态调整的方法包括: 在传输至少两种业务流时, 根据待跟踪业务流的流速控制待调整业务 流的流速。
本发明实施例提供的一种业务流限速值动态调整的装置包括: 传输单元, 用于传输业务流;
控制单元, 用于在传输至少两种业务流时, 根据待跟踪业务流的流速 控制待调整业务流的流速。
通过以上技术方案可知, 本发明实施例在传输至少两种业务流时, 根 据待跟踪业务流的流速控制待调整业务流的流速。 因此, 本发明实施例能 在多种业务流并行的情况下, 优化带宽分配策略, 进一步提高带宽的使用 率。 附图说明
图 1 为本发明业务流限速值动态调整的方法的一具体实施例的流程示 意图;
图 为本发明业务流限速值动态调整的方法的另一具体实施例的流程 示意图;
图 3为本发明系统实施例的结构示意图。 具体实施方式
在本发明实施例中, 在传输至少两种业务流时, 根据待跟踪业务流的 流速控制待调整业务流的流速。
图 1 为本发明业务流限速值动态调整的方法的一具体实施例的流程示 意图。
参见图 1 所示, 本发明实施例进行业务流限速值动态调整的具体过程 如下:
步驟 101: 传输两种业务流。
步驟 102:判断待跟踪业务流的流速是否超过设定的流速阈值,如果是, 则执行步驟 103, 否则执行步驟 104。
步驟 103: 将所述业务流的限速值调整为配置的初始限速值。
步驟 104: 将所述业务流的限速值调整为配置的目标限速值。
这里, 可以周期性地根据待跟踪业务流的流速控制待调整业务流的流 速, 或经过设定的间隔时间, 根据待跟踪业务流的流速控制待调整业务流 的流速。 所述调整业务流的流速为传输业务流的发送端执行, 或为传输业 务流的接收端执行, 或为转发发送端和接收端之间的业务流的数字用户线 路访问多路复用器(DSLAM )执行。
图 为本发明业务流限速值动态调整的方法的另一具体实施例的流程 示意图。
如图 2所示, 本实施例进行业务流限速值动态调整的具体过程如下: 步驟 201 : 传输两种业务流。
步驟 202: 获得待跟踪业务流的流速。
步驟 203: 判断待跟踪业务流的流速是否超过设定的第一流速阈值。如 果是, 则执行步驟 204, 否则执行步驟 205。
步驟 204: 将所述业务流的限速值调整为配置的初始限速值,返回步驟
202。
步驟 205 : 判断待跟踪业务流的流速是否未超过设定的第二流速的阈 值, 如果是, 则执行步驟 206, 否则返回步驟 202。
步驟 206: 将所述业务流的限速值调整为配置的目标限速值,返回步驟
202。
这里, 步驟 203中的第一流速阈值大于步驟 205中的第二流速阈值。 图 3为本发明装置实施例的结构示意图。
如图 3 所示, 本发明实施例提供的一种业务流限速值动态调整的装置 包括: 传输单元 31、 控制单元 32
传输单元 31 , 用于传输业务流;
控制单元 32, 用于在传输至少两种业务流时, 根据待跟踪业务流的流 速控制待调整业务流的流速。
这里, 所述控制单元 32, 用于判断待跟踪业务流的流速是否超过设定 的流速阈值; 如果超过设定的流速阈值, 则将所述业务流的限速值调整为 配置的初始限速值; 如果未超过设定的流速阈值, 则将所述业务流的限速 值调整为配置的目标限速值, 其中, 初始限速值小于目标限速值。
所述控制单元 32, 用于获得待跟踪业务流的流速; 如果待跟踪业务流 的流速超过设定的第一流速阈值, 则将所述业务流的限速值调整为配置的 初始限速值; 如果待跟踪业务流的流速未超过设定的第二流速阈值, 则将 所述业务流的限速值调整为配置的目标限速值, 其中, 初始限速值小于目 标限速值, 第一流速阈值大于第二流速阈值。
所述控制单元 32, 用于周期性地根据待跟踪业务流的流速控制待调整 业务流的流速, 或经过设定的间隔时间, 根据待跟踪业务流的流速控制待 调整业务流的流速。
所述传输单元 31位于传输业务流的发送端, 或位于传输业务流的接收 端, 或位于转发发送端和接收端之间的业务流的数字用户线路访问多路复 用器。
通过以上技术方案可知, 本发明实施例在传输至少两种业务流时, 根 据待跟踪业务流的流速控制待调整业务流的流速。 因此, 本发明实施例能 在多种业务流并行的情况下, 优化带宽分配策略, 进一步提高带宽的使用 率。
显然, 本领域的技术人员可以对本发明进行各种改动和变型而不脱离 本发明的精神和范围。 这样, 倘若对本发明的这些修改和变型属于本发明 权利要求及其等同技术的范围之内, 则本发明也意图包含这些改动和变型 在内。
工业实用性
本发明通过在传输至少两种业务流时, 根据待跟踪业务流的流速来控 制待调整业务流的流速, 从而能在多种业务流并行的情况下, 优化带宽分 配策略, 进一步提高带宽的使用率

Claims

权利要求书
1、 一种业务流限速值动态调整的方法, 其中, 该方法包括:
在传输至少两种业务流时, 根据待跟踪业务流的流速控制待调整业务 流的流速。
2、 根据权利要求 1所述的方法, 其中, 根据待跟踪业务流的流速控制 待调整业务流的流速, 包括:
判断待跟踪业务流的流速是否超过设定的流速阈值;
如果超过设定的流速阈值, 则将所述业务流的限速值调整为配置的初 始限速值;
如果未超过设定的流速阈值, 则将所述业务流的限速值调整为配置的 目标限速值, 其中, 初始限速值小于目标限速值。
3、 根据权利要求 1所述的方法, 其中, 根据待跟踪业务流的流速控制 待调整业务流的流速, 包括:
获得待跟踪业务流的流速;
如果待跟踪业务流的流速超过设定的第一流速阈值, 则将所述业务流 的限速值调整为配置的初始限速值;
如果待跟踪业务流的流速未超过设定的第二流速阈值, 则将所述业务 流的限速值调整为配置的目标限速值, 其中, 初始限速值小于目标限速值, 第一流速阈值大于第二流速阈值。
4、 根据权利要求 1所述的方法, 其中, 根据待跟踪业务流的流速控制 待调整业务流的流速, 包括: 周期性地根据待跟踪业务流的流速控制待调 整业务流的流速, 或经过设定的间隔时间, 根据待跟踪业务流的流速控制 待调整业务流的流速。
5、 根据权利要求 1所述的方法, 其特征在于, 所述调整业务流的流速 由传输业务流的发送端执行, 或由传输业务流的接收端执行, 或由转发发 送端和接收端之间的业务流的数字用户线路访问多路复用器执行。
6、 一种业务流限速值动态调整的装置, 其特征在于, 包括: 传输单元, 用于传输业务流;
控制单元, 用于在传输至少两种业务流时, 根据待跟踪业务流的流速 控制待调整业务流的流速。
7、 根据权利要求 6所述的装置, 其特征在于, 所述控制单元, 用于判 断待跟踪业务流的流速是否超过设定的流速阈值; 如果超过设定的流速阈 值, 则将所述业务流的限速值调整为配置的初始限速值; 如果未超过设定 的流速阈值, 则将所述业务流的限速值调整为配置的目标限速值, 其中, 初始限速值小于目标限速值。
8、 根据权利要求 6所述的装置, 其特征在于, 所述控制单元, 用于获 得待跟踪业务流的流速; 如果待跟踪业务流的流速超过设定的第一流速阈 值, 则将所述业务流的限速值调整为配置的初始限速值; 如果待跟踪业务 流的流速未超过设定的第二流速阈值, 则将所述业务流的限速值调整为配 置的目标限速值, 其中, 初始限速值小于目标限速值, 第一流速阈值大于 第二流速阈值。
9、 根据权利要求 6所述的装置, 其特征在于, 所述控制单元, 用于周 期根据待跟踪业务流的流速控制待调整业务流的流速, 或经过设定的间隔 时间, 根据待跟踪业务流的流速控制待调整业务流的流速。
10、 根据权利要求 6所述的装置, 其特征在于, 所述传输单元位于传 输业务流的发送端, 或位于传输业务流的接收端, 或位于转发发送端和接 收端之间的业务流的数字用户线路访问多路复用器。
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