CN1859233A - Method for QoS delay detection in communication system - Google Patents

Method for QoS delay detection in communication system Download PDF

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CN1859233A
CN1859233A CN 200610032757 CN200610032757A CN1859233A CN 1859233 A CN1859233 A CN 1859233A CN 200610032757 CN200610032757 CN 200610032757 CN 200610032757 A CN200610032757 A CN 200610032757A CN 1859233 A CN1859233 A CN 1859233A
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qos
step
detected
node
communication system
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CN100358305C (en
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周艳
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华为技术有限公司
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Abstract

The present invention relates to a QoS time delay detection method in communication system. It contains the detected initial node determining detected ending node address and require detected QoS grade; detected initial node originating detection request to detected end node and labeling said detection request as said QoS grade data package; detected end node receiving detection request and according to QoS grade to make scheduling and processing, feeding back detection responding to detected initial node; detected initial node receiving detection responding and recording detection responding time stamping to make calculation to make calculation. Said method defines a method for obtaining QoS correlation classified data stream time delay in communication system, to make communication system capable of test QoS performance requirement, net element capable of selecting more suitable way transferring data package to obtain preferable QoS ensuring.

Description

在通信系统中进行QoS时延探测的方法 QoS delay detection method in a communication system

技术领域 FIELD

本发明涉及电通信技术领域,特别是一种在通信系统中进行QoS时延探测的方法。 TECHNICAL FIELD The present invention relates to communications, particularly to a method for detecting delay QoS in a communication system.

背景技术 Background technique

在通信系统中,如WiMax、WCDMA、GPRS,以及其他与IP分组业务相关的固定或移动通信系统,包含Internet网络,当需要选择切换的目的基站、数据流的路径、及服务的网络或网络实体时,往往需要考虑各个不同的网络或网络实体的时延特性,从而获得更好的QoS服务。 In the communication system, such as WiMax, WCDMA, GPRS, and other related IP packet traffic fixed or a mobile communication system, comprising the Internet, when selecting one of handover destination base station, path data stream, and service network or network entity , we often need to consider the different characteristics of the network or delay network entity, resulting in better QoS services.

目前,在通信系统的协议中,只有IP协议中有一个Ping(PacketInternet Grope,因特网包探索器)消息,可以简单测试网络的时延。 At present, the protocol communication system, only the IP protocol, there is a Ping (PacketInternet Grope, Internet Explorer package) message, you can simply test the network delay. Ping命令发送一个ICMP(Internet Control Message Protocol,Internet控制消息协议)回声请求消息给目的地并报告是否收到所希望的ICMP回声应答,可以得到传送和处理过程中的延时。 Ping command sends an ICMP (Internet Control Message Protocol, Internet Control Message Protocol) echo request message to the destination and report whether it has received the desired ICMP echo reply, you can get the transmission and processing delay. 但是这种方法不能提供QoS相关的分类数据流的时延依据,因为它不能区别不同类别的QoS数据流,并且Ping消息也只能应用于IP层,只能对单个数据流进行时延测试,而无法针对QoS各分类数据流。 However, this method can not provide QoS based on the relevant delay classification data stream because it can not distinguish between different classes of QoS data flow, the message can only be applied and Ping IP layer, only a single data stream delay test, can not flow QoS for each category of data.

发明内容 SUMMARY

本发明的目的是针对上述现有技术的不足,提供一种在通信系统中进行QoS时延探测的方法,使通信系统可以测试QoS的性能要求,从而选择更合适的途径来传递数据包,获得更好的QoS保证。 Object of the present invention is the above-described deficiencies of the prior art, to provide a method for detecting delay QoS in a communication system, the communication system may enable QoS performance requirements of the test, so as to select a more appropriate way to transfer data packets, to obtain better QoS guarantee.

为实现上述目的,本发明提供了一种在通信系统中进行QoS时延探测的方法,包括以下步骤:步骤1、被探测起始结点向被探测终止结点发出探测请求;步骤2、所述被探测终止结点接收所述探测请求并进行调度和处理,向所述被探测起始结点返回探测响应;步骤3、所述被探测起始结点收到所述探测响应后,记录探测响应时的时间戳,并依据探测发起时的时间戳及探测响应时的时间戳计算时延。 To achieve the above object, the present invention provides a method for detecting delay QoS in a communication system, comprising the following steps: Step 1, by detecting a probe request is issued to the node detecting the starting end node; step 2, the said detected end node receives a probe request and the scheduling and processing, to the detected start node returns a probe response; after step 3, the detected start node receives the probe response, the recording timestamp when the probe response, and calculated according to the time stamp of the time stamp and the time delay of the probe when the probe to initiate a response.

所述步骤1之前,还包括:步骤11、所述探测发起结点向所述被探测起始结点发送探测报告请求;步骤12、所述被探测起始结点判断是否已有被要求探测的内容,如果是,执行步骤4;否则执行步骤1;所述步骤3之后,还包括:步骤4、所述被探测起始结点向所述探测发起结点发送探测报告;步骤5、所述探测发起结点对探测报告进行处理。 Before the step 1, further comprising: a step 11, the detected detection initiating node to said source node transmitting the probe request report; step 12, the start node is determined whether the detection has been required to detect the content, if yes, step 4; otherwise step 1; 3, after said step, further comprising: a step 4, wherein the detected start detection initiating node to the node transmitting the probe reports; step 5, the said detection initiating node reports the detection process.

步骤1中所述探测请求包括,探测发起时的时间戳、发起者的地址、目的地址及QoS探测索引。 Step 1 includes the probe request, the probe timestamp when initiated, originator address, destination address and QoS index detection.

步骤2中所述探测响应包括:收到所述探测请求时的时间戳、按所述QoS等级调度完成并返回时的时间戳、本地地址、返回处的地址及QoS探测索引。 2 in the probe response comprises the step of: when a time stamp of the received probe request, completion of a time stamp, and returns the local address by said scheduling QoS class, QoS, and returns the address detection index.

步骤2中所述探测响应标记为与所述探测请求相同的QoS等级。 Step 2 The labeled probe response to the probe request with the same QoS level.

步骤11中所述探测报告请求包括:所述被探测起始结点地址、所述被探测终止结点的地址及被探测QoS等级信息。 Step 11 reports the probe request comprises: detecting the start node address is the address of the end node is detected and the detected QoS class information.

步骤4中所述探测报告包括:所述被探测起始结点的时间戳信息、所述被探测终止结点的时间戳信息及QoS等级记录。 4 reports the detection step comprises: the detected time stamp information of the starting node, the time stamp information is detected, and a recording end QoS level node.

采用本发明的技术方案,可以使通信系统可以测试QoS的性能要求,网元可以选择更合适的途经来传递数据包,获得更好的QoS保证。 Aspect of the present invention, a communication system can be made to test the performance of QoS requirements, network element may select a more appropriate to transfer data via packets get better QoS guarantee. 本发明为网络自优化提供一种实现方式,使通信系统的切换/迁移过程中,目标基站选择增添QoS时延依据,使通信系统可以探测迁移源、目的网元之间的时延,并提前决定丢弃源网元处的数据包,使切换/迁移后数据包的实时性得到更好保证。 The present invention is to provide a self-optimizing network implementation, handover of the communication system / migration, add the target base station selects based on QoS delay, so that the communication system can detect a migration source, the delay between the destination network element, and advance decide to discard the packet at the source network element, so that the real-time switching / packet after migration better guaranteed.

下面通过附图和实施例,对本发明的技术方案做进一步的详细描述。 The following drawings and embodiments, detailed description of the further aspect of the present invention.

附图说明 BRIEF DESCRIPTION

图1为本发明在通信系统中进行QoS时延探测方法的一实施例的流程图;图2为本发明在通信系统中进行QoS时延探测方法的另一实施例的流程图。 FIG flowchart of an embodiment of the present invention is a method of detecting QoS delay in a communication system; FIG. 2 is another method for detecting delay QoS flow diagram of the embodiment of the present invention in a communication system.

具体实施方式 Detailed ways

本发明提供了一种在通信系统中获得QoS相关分类数据流时延的方法,使通信系统可以测试QoS的性能要求。 The present invention provides a method of obtaining classification data stream QoS related delay in a communication system, the communication system may enable QoS performance requirements of the test.

如图1所示,为本发明在通信系统中由被探测的结点发起,进行QoS时延探测方法的一实施例的流程图,包括以下步骤:步骤101、被探测起始结点确定被探测终止结点的地址,及需要探测的QoS等级;步骤102、被探测起始结点向被探测终止结点发出预先定义的探测请求消息,该探测请求消息包括:探测发起时的时间戳、发起者的地址、目的地址及QoS探测索引,并标识该探测请求为所述QoS等级的数据包;步骤103、被探测终止结点收到探测请求后,根据QoS等级进行调度和处理,并向被探测起始结点返回探测响应,该探测响应包括:收到探测请求时的时间戳、按QoS等级调度完成并返回时的时间戳、本地地址、返回目标地址及QoS探测索引,该探测响应标记为与探测请求相同的QoS等级;步骤104、被探测起始结点收到探测响应后,记录探测响应时的时间戳,并依据探 As shown, the present invention is initiated by a node is detected in a communication system, a method for detecting delay QoS flowchart of an embodiment comprising the following steps: Step 101, the detection is determined to be the starting node detecting termination node address, and the QoS level to be detected; step 102, the starting node is detected probe request message sent to the pre-defined end node is detected, the probe request message comprising: a time stamp of when the detection initiating, originator address, destination address and QoS index detection, and identification of the probe request is a QoS class of the data packet; step 103, after receiving the probe request, and performs scheduling according to the QoS level detection process termination node, and detected start node returns a probe response in response to the probe comprising: a probe request is received during a time stamp, QoS class are scheduled time stamp, and returns the local address, the destination address and return QoS index detection, the probe response labeled probe request the same QoS class; step 104, the detected initial node point probe response is received, the time stamp recorded when the probe response, and based on probe 测发起时的时间戳及探测响应时的时间戳计算时延。 When the time stamp and time stamp in response to detecting when the measured calculation delay initiated. 其中,时延的计算公式如下: Wherein the delay is calculated as follows:

被探测终止结点QoS处理时延=被探测终止结点探测响应发出时间-被探测终止结点探测请求收到时间;单向路程QoS时延=[(被探测发起结点收到响应的时间-被探测发起结点发出请求的时间)-被探测终止结点QoS处理时延]/2. End node to be detected = the detected QoS processing delay of the end node sent the probe response time - is detected termination node receives a probe request time; one-way delay from the QoS = [(the detection initiating node receives the response time - time detection initiating node is requesting) - is detected termination node processing delay QoS] / 2.

通信系统在做网络侧的路径自优化时,可以应用该方法,从基站向核心网寻找最佳路径,能够保证QoS的时延要求;也可以应用该方法对多个网络的QoS时延进行探测,来选择服务最好的网络。 When the communication system for network self-optimization path side, this method can find the optimal path from the base station to the core network, to ensure the QoS delay requirements; this method can also be applied to a plurality of network delay QoS probing to select the best network service.

如图2所示,为本发明在通信系统中由第三方结点发起,进行QoS时延探测方法的另一实施例的流程图,包括以下步骤:步骤201、探测发起结点确定需要探测的被探测起始结点地址、被探测终止结点地址及被探测的QoS等级;步骤202、探测发起结点向被探测起始结点发送探测报告请求,该报告请求包括被探测起始结点地址、被探测终止结点的地址及被探测QoS等级信息,该探测报告请求消息可以携带多个QoS等级;步骤203、被探测起始结点判断是否已有被要求探测的内容,如果是,执行步骤208;否则执行步骤204;步骤204、被探测起始结点确定被探测终止结点的地址,及需要探测的QoS等级;步骤205、被探测起始结点向被探测终止结点发起探测请求消息,标识该探测请求为步骤204中所述QoS等级的数据包,该探测请求消息包括,探测发起时的时间戳、发起者的地址 The flowchart as shown, the present invention is initiated by a third party node 2 in a communication system, the QoS delay detection method according to another embodiment, comprising the following steps: Step 201, the detection initiating node is determined to be detected detected start node address, the node address is detected and terminated QoS level is detected; step 202, the detection initiating node to the start node transmits the detected probe request report, the report request comprises detecting a home node address, node address is terminated and the probe is detected QoS class information, the probe report request message may carry a plurality of QoS classes; step 203, the detected point is determined whether the contents of the starting node is required to have detected, and if so, performing step 208; otherwise, executing step 204; step 204, is determined by detecting the address of the end node, the QoS level to be detected and detecting a home node; step 205, the detected starting point of an originating node to the terminating be detected probe request message, the identifier of the probe request is a QoS level in step 204 the data packet including the probe request message, the time stamp detection initiating, originator address 、目的地址及QoS探测索引;步骤206、被探测终止结点收到探测请求后,根据QoS等级进行调度和处理,并向被探测起始结点返回探测响应,该探测响应包括:收到探测请求时的时间戳、按QoS等级调度完成并返回时的时间戳、本地地址、返回目标地址及QoS探测索引,该探测响应标记为与探测请求相同的QoS等级;步骤207、被探测起始结点收到探测响应后,记录探测响应时的时间戳,并进行计算;该计算方法由于不同结点的时钟有可能不同,可以针对同一结点计算:被探测终止结点QoS处理时延=被探测终止结点探测响应发出时间-被探测终止结点探测请求收到时间;单向路程QoS时延=[(被探测发起结点收到响应的时间-被探测发起结点发出请求的时间)-被探测终止结点QoS处理时延]/2;步骤208、被探测起始结点向探测发起结点发送探测报告,探测报告包括:被探 , The destination address and the QoS index detection; After step 206, a probe request is received by end node to detect, according to the scheduling and processing QoS level, to be detected in response to the start node returns a probe, the probe response comprises: detecting receipt of when the time stamp request, when the QoS class are scheduled return time stamp and the local address, the destination address and return QoS index detection, the labeled probe response to the probe request the same QoS class; step 207, the detected initial node after point probe response is received, the time stamp recorded when the probe response and is calculated; this calculation method different nodes of the clock may be different, may be calculated for the same node: node QoS detected termination processing delay is = end node detecting a probe response sending time - the detection end node received the probe request time; one-way delay from the QoS = [(time response is received detection initiating node - requesting the time detection initiating node) - end node is detected QoS processing delay] / 2; step 208, the detected initial node transmits a probe reports to the detection initiating node, the detection report includes: a probe 起始结点的时间戳信息、被探测终止结点的时间戳信息及QoS等级记录,该探测报告消息可以携带多个QoS等级;步骤209、探测发起结点记录所有时间戳及QoS等级信息,并进行计算,计算公式同于步骤207。 Time stamp information starting node, the end node is detected and the time stamp information recording QoS level, the probe report message may carry a plurality of QoS classes; step 209, all the detection initiating node records the time stamp information and QoS class, and calculating, at step 207 the same calculation formula.

网络维护者应用该方法,可以通过测试QoS机制的执行性能,来优化网络;在通信系统的Relocation流程中,WCDMA(Wideband CDMA,宽带码分多址)要求RNC(Radio Network Controller,无线网络控制器)之间做数据包转发,WiMax(Worldwide Interoperability Microwave Access,微波接入全球互通)要求ASN(Access Service Network,接入服务网络)之间做数据转发,也可以应用该方法先行探测数据包转发是否会导致超时,并提前决定是否要做数据包转发,是否直接忽略这些数据包,继续后面的上下行数据流程;另外,在通信系统中选择切换的目的基站,当前服务基站向多个目标基站发送切换请求,根据切换响应中的QoS资源判断向哪个目标基站切换,此时可以使用该方法测试目标基站与核心网之间的通信时延,选择更合适的目标基站等等。 Network maintainer this method, the test may be performed by the performance of QoS mechanisms, to optimize the network; Relocation procedure in a communication system, WCDMA (Wideband CDMA, Wideband Code Division Multiple Access) in claim RNC (Radio Network Controller, the radio network controller do packet forwarding between), WiMax (worldwide interoperability microwave access, WiMAX) requires ASN (access service network, access service network) for data forwarding between, the method can also be applied to detect in advance whether to forward the packet results in a timeout, and the decision about whether to do packet forwarding, whether these packets are simply ignored, the process continues down the back of the line data; Further, the purpose of selecting the base station handover in a communication system, the current serving base station transmits a plurality of target base stations the handover request, the handover target base station to which QoS resources according to the handover response is determined, in which case the communication delay may be used between the target base station and the method for testing a core network, choose a more appropriate target base station and the like.

最后所应说明的是,以上实施例仅用以说明本发明的技术方案而非限制,尽管参照较佳实施例对本发明进行了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的精神和范围。 Finally, it should be noted that the above embodiments are intended to illustrate and not limit the present invention, although the present invention has been described in detail with reference to preferred embodiments, those of ordinary skill in the art should be understood that the techniques of the present invention program modifications or equivalent replacements without departing from the spirit and scope of the technical solutions of the present invention.

Claims (8)

1.一种在通信系统中进行QoS时延探测的方法,其特征在于,执行以下步骤:步骤1、被探测起始结点向被探测终止结点发出探测请求,标识该探测请求为需要探测的QoS等级的数据包;步骤2、所述被探测终止结点接收所述探测请求并进行调度和处理,向所述被探测起始结点返回探测响应。 1. A method for detecting delay QoS in a communication system, wherein the following steps: Step 1, by detecting a home node issuing a probe request to the terminating node is detected, identifies the probe request is a need to detect QoS class of data packet; step 2, the detected termination node receives a probe request and the scheduling and processing, to the detected start node returns a probe response.
2.根据权利要求1所述的在通信系统中进行QoS时延探测的方法,其特征在于,在所述步骤2之后,还包括以下步骤:步骤3、所述被探测起始结点收到所述探测响应后,记录探测响应时的时间戳,并依据探测发起时的时间戳及探测响应时的时间戳计算时延。 The QoS delay detection method in a communication system according to claim 1, wherein, after said step 2, further comprising the steps of: Step 3, the node receives a detected start after the probe response, the time stamp recorded when the probe response and calculates a delay time based on the time stamp and time stamp detecting initiation response time of the probe.
3.根据权利要求2所述的在通信系统中进行QoS时延探测的方法,其特征在于,所述步骤1之前,还包括以下步骤:步骤11、所述探测发起结点向所述被探测起始结点发送探测报告请求;步骤12、所述被探测起始结点判断是否已有被要求探测的内容,如果是,执行步骤4;否则执行步骤1;所述步骤3之后,还包括以下步骤:步骤4、所述被探测起始结点向所述探测发起结点发送探测报告;步骤5、所述探测发起结点对探测报告进行处理。 The QoS delay detection method in a communication system according to claim 2, wherein, before the step 1, further comprising the following steps: Step 11, the detection initiating node is to detect the the starting node sends a probe request report; step 12, the probe is determined whether the starting node is required to have detected content, if yes, step 4; otherwise step 1; after the step 3, further comprising the following steps: step 4, the detected starting node sends a probe reports to the detection initiating node; step 5, the detection initiating node reports the detection process.
4.根据权利要求1、2或3所述的在通信系统中进行QoS时延探测的方法,其特征在于,步骤1中所述探测请求包括,探测发起时的时间戳、发起者的地址、目的地址及QoS探测索引。 The QoS delay detection method in the communication system 1, 2 or claim 3, wherein, in the step 1 comprises a probe request, an address timestamp when the detection initiation, the initiator, destination address and QoS detection index.
5.根据权利要求1、2或3所述的在通信系统中进行QoS时延探测的方法,其特征在于,步骤2中所述探测响应包括:收到所述探测请求时的时间戳、按所述QoS等级调度完成并返回时的时间戳、本地地址、返回处的地址及QoS探测索引。 5. A method for detecting delay QoS in a communication system according to 1, 2 or claim 3, wherein, in the step 2 in response to the probe comprising: a probe request when receiving the time stamp, press timestamp when the QoS level scheduling is completed and returned, the local address, return address and the QoS index at the probe.
6.根据权利要求1、2或3所述的在通信系统中进行QoS时延探测的方法,其特征在于,步骤2中所述探测响应标记为与所述探测请求相同的QoS等级。 The QoS delay detection method in the communication system 1, 2 or claim 3, wherein, in step 2 the QoS class labeled probe response to the probe request of the same.
7.根据权利要求3所述的在通信系统中进行QoS时延探测的方法,其特征在于,步骤11中所述探测报告请求包括:所述被探测起始结点地址、所述被探测终止结点的地址及被探测QoS等级信息。 7. A method for detecting delay QoS in a communication system according to claim 3, wherein the step of detecting said request report 11 comprises: the starting point of an address is detected, the detection is terminated and the node address of the detected QoS class information.
8.根据权利要求3所述的在通信系统中进行QoS时延探测的方法,其特征在于,步骤4中所述探测报告包括:所述被探测起始结点的时间戳信息、所述被探测终止结点的时间戳信息及QoS等级记录。 8. QoS delay detection method in a communication system according to claim 3, wherein said detecting step comprises Report 4: the detected time stamp information of the starting node, to be the detecting time stamp information and a recording end QoS level node.
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