WO2012119504A1 - 远程流量采集的方法、装置和*** - Google Patents

远程流量采集的方法、装置和*** Download PDF

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Publication number
WO2012119504A1
WO2012119504A1 PCT/CN2012/071090 CN2012071090W WO2012119504A1 WO 2012119504 A1 WO2012119504 A1 WO 2012119504A1 CN 2012071090 W CN2012071090 W CN 2012071090W WO 2012119504 A1 WO2012119504 A1 WO 2012119504A1
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Prior art keywords
packet
remote
router
collection
traffic
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PCT/CN2012/071090
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English (en)
French (fr)
Inventor
徐春松
唐保
王然
吕勇
刘奇峰
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中兴通讯股份有限公司
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Publication of WO2012119504A1 publication Critical patent/WO2012119504A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/50Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]

Definitions

  • the present invention relates to data communication technologies, and more particularly to a method, apparatus and system for remote traffic collection. Background technique
  • FIG. 1 it is a schematic structural diagram of most of the flow collection systems in the prior art. It enables traffic collection on router 10, collects incoming traffic, and sends it to collection analysis server 20. This type of collection can only collect traffic entering the router. If the carrier needs to collect traffic on multiple routers, the software version on each router needs to be the same as the version of the collection analyzer. This will result in software. The upgrade is not flexible enough. In addition, the data collected by the router needs to be processed locally, which causes the burden on the central processing unit (CPU) to be aggravated, especially for some routers with lower CPU performance. Summary of the invention
  • the main purpose of the present invention is to provide a method, device and system for remote traffic collection, which aims to provide a more flexible collection mode, which can collect traffic of other routers and avoid softness.
  • the version is inconsistent and cannot collect traffic. At the same time, it can also share the load of the traffic collection on the CPU.
  • the present invention provides a method for remote traffic collection, including the following steps:
  • the local router sends the multi-protocol label switching MPLS label to the router and the MPLS label for remote traffic collection to the remote router;
  • the remote router records the received MPLS label information in the configuration information.
  • the remote router collects the traffic, encapsulates the packet according to the configuration information, and passes the packet.
  • the MPLS network forwards the packet to the local router.
  • the local router receives and parses the packet, processes the packet according to the MPLS label, and sends the packet to the collection and analysis server.
  • the processing includes:
  • the data format is converted and matched according to the protocol agreed with the collection server.
  • the number of the local routers and/or the remote servers is multiple.
  • the present invention also provides an apparatus for remote traffic collection, which is configured to perform data interaction with a remote router and a collection and analysis server, and send the collected traffic to the collection and analysis server, including:
  • a sending module configured to send the multi-protocol label switching MPLS label that reaches the device and the MPLS label used for remote traffic collection to the remote router;
  • the packet parsing module is configured to parse the MPLS packet that is sent by the remote router and includes the remote router traffic information and the MPLS label.
  • a packet processing module is configured to process the packet according to the MPLS label, and then send the packet to the collection and analysis server.
  • the processing of the packet by the packet processing module specifically includes:
  • the data format is converted and matched according to the protocol agreed with the collection server.
  • the invention also provides a system for remote traffic collection, comprising:
  • a local router configured to send the multi-protocol label switching MPLS label that reaches the router and the MPLS label used for remote traffic collection to the remote router;
  • the remote router is configured to record the received MPLS label information into the configuration information, collect the traffic, encapsulate the packet according to the configuration information, and forward the packet to the local router through the MPLS network.
  • the local router is further configured to receive and parse the packet, process the packet according to the MPLS label, and send the packet to the collection and analysis server.
  • the method, device or system for remote traffic collection completes packet collection by cooperation of two or more routers, that is, collecting data on one end router, encapsulating the packet, and then transmitting the packet to the target router, the target The router then parses the packet and sends the packet to the collection and analysis server to implement remote traffic collection.
  • the router of the traffic entry needs only simple traffic extraction, and does not need to perform packet analysis. It only needs to send the obtained packet to another router. This can upgrade only the software version of the collection and analysis server. For all router software, you only need to upgrade the version of the local router.
  • the CPU load can be effectively reduced to optimize performance. Moreover, more flexible and powerful data collection functions can be realized.
  • FIG. 1 is a schematic structural diagram of a flow collection system in the prior art
  • FIG. 2 is a flow chart of steps of a remote traffic collection method according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a remote traffic collection system according to an embodiment of the present invention. detailed description
  • FIG. 2 shows a method flow of remote traffic collection in an embodiment of the present invention, the method flow comprising the following steps:
  • Step S10 The local router sends the MPLS (Multi-Protocol Label Switching) label of the router and the MPLS label for remote traffic collection to the remote router.
  • MPLS Multi-Protocol Label Switching
  • Step S10 The local router sends the MPLS (Multi-Protocol Label Switching) label of the router and the MPLS label for remote traffic collection to the remote router.
  • It before performing the step, It also includes the steps of enabling remote traffic collection on the remote router and the local router and configuring the IP address of the peer with each other.
  • MPLS Multi-Protocol Label Switching
  • Step S20 The remote router records the received MPLS label information in the configuration information.
  • the remote router collects the traffic, encapsulates the packet according to the configuration information, and forwards the packet to the local router through the MPLS network. ;
  • Step S40 The local router receives and parses the packet, processes the packet according to the MPLS label, and sends the packet to the collection and analysis server.
  • processing the packet according to the MPLS label includes: converting and matching the data format according to a protocol agreed with the collection server.
  • R1 is the remote router and R2 is the local router.
  • the specific process is as follows:
  • R2 distributes an MPLS label to R1 and an MPLS label for remote traffic collection to R1.
  • the R1 router obtains the label to R2 and the label for remote traffic collection, it notifies the internal traffic collection module that The label information is saved to the configuration information.
  • R1 collects the traffic and checks the configuration information to obtain the label information related to the remote router R2 to be sent. Then, R1 encapsulates the label into the collected packet header and sends it to R2 through the MPLS network.
  • R2 parses the MPLS packet, and obtains the information associated with the label according to the label value.
  • the packet is sent to the local processing module. The data is converted and matched according to the protocol agreed with the collection server, and then sent to the collection and analysis server to achieve the purpose of collecting R1 traffic on R2.
  • the number of local routers and remote servers There may be multiple, and is not limited to the number in FIG.
  • the method provided in the embodiment of the present invention completes packet collection by the cooperation of two or more routers, that is, collecting data on one end router, encapsulating the packet, and then sending the packet to the target router, and then performing resolution processing on the target router.
  • the router of the traffic entry needs only simple traffic extraction, and does not need to perform packet analysis. It only needs to send the obtained packet to another router. This can upgrade only the software version of the collection and analysis server without upgrading. For all router software, you only need to upgrade the version of the local router.
  • the CPU load can be effectively reduced to optimize performance. Moreover, more flexible and powerful data collection functions can be realized.
  • the present invention provides an apparatus for remote traffic collection, which is configured to perform data interaction with a remote router and a collection and analysis server, and send the collected traffic to a collection and analysis server, including:
  • a sending module configured to send the multi-protocol label switching MPLS label that reaches the device and the MPLS label used for remote traffic collection to the remote router;
  • the packet parsing module is configured to parse the MPLS packet that is sent by the remote router and includes the remote router traffic information and the MPLS label.
  • a packet processing module is configured to process the packet according to the MPLS label, and then send the packet to the collection and analysis server.
  • the packet processing module processes the message, including: converting and matching the data format according to a protocol agreed with the collection server.
  • the device for remote traffic collection can be arranged in the data traffic collection system, and can be regarded as the local router in FIG. 2 and FIG. 3 above.
  • the structure and function can be implemented by referring to the foregoing embodiment shown in FIG. 2 and FIG. .
  • the remote traffic collection function can be realized by the device for remote traffic collection of the present invention.
  • the remote router of the traffic portal only needs simple traffic extraction, and does not need to perform packet analysis, and only needs to send the obtained packet to the device in the embodiment of the present invention.
  • After upgrading the software version of the collection and analysis server, without upgrading the router software it is only necessary to upgrade the version of the device for remote traffic collection of the present invention.
  • CPU load can be effectively reduced to optimize performance, and more flexible and powerful data acquisition functions can be realized.
  • the invention also provides a system for remote traffic collection, comprising:
  • a local router configured to send the multi-protocol label switching MPLS label that reaches the router and the MPLS label used for remote traffic collection to the remote router;
  • the remote router is configured to record the received MPLS label information into the configuration information, collect the traffic, encapsulate the packet according to the configuration information, and forward the packet to the local router through the MPLS network.
  • the local router is further configured to receive and parse the packet, process the packet according to the MPLS label, and send the packet to the collection and analysis server.
  • the structure of the system for remote traffic collection can be referred to FIG. 2, and the implementation of the functions can be referred to the foregoing embodiment.
  • the invention completes the packet collection by the cooperation of the two ends or the multi-end routers, that is, collecting data on one end router, encapsulating the packet, and then sending the packet to the target router, and then the target router performs parsing processing, and sends the packet to the collection and analysis.
  • the server implements remote traffic collection.

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

Description

远程流量采集的方法、 装置和*** 技术领域
本发明涉及数据通信技术, 尤其涉及一种远程流量采集的方法、 装置 和***。 背景技术
随着宽带互连网的迅速发展, 电信运营商的网络规模也不断扩张, 网 络业务也日趋丰富。 电信运营商需要通过可靠、 有效的网络业务流量监测 ***对其网络及网络所承载的各类业务进行及时、 准确的流量和流向分析, 进而挖掘网络资源潜力, 控制网络互联成本, 保证网络安全, 为业务发展 提供基本的依据。 这样, 就需要流量采集技术。 流量采集可对网络中传输 的各种类型数据包进行区分, 进行详细的行为模式分析和计量, 提供网络 运行的详细统计数据, 满足电信运营商的需求。
如图 1 所示, 为现有技术中大多数流量采集***的结构示意图。 其在 路由器 10上启用流量采集, 对到达的流量进行采集, 然后发送到收集分析 服务器 20。 这种采集只能对进入到本路由器的流量进行采集, 若假设运营 商有多个路由器上的流量需要采集, 那么每个路由器上的软件版本需要跟 收集分析器的版本一致, 这将导致软件的升级不够灵活。 此外, 路由器采 集的数据需要本地处理, 造成中央处理器(CPU, Central Processing Unit ) 的负担加重, 尤其是对一些 CPU性能较低的路由器影响较大。 发明内容
本发明的主要目的在于提供一种远程流量采集的方法、 装置及***, 旨在提供一种更为灵活的采集方式, 能够采集其他路由器的流量, 避免软 件版本不一致而不能采集流量的问题; 同时, 还能够分担流量采集对 CPU 的负荷。
为了实现上述目的, 本发明提供一种远程流量采集的方法, 包括以下 步驟:
本地路由器将到达本路由器的多协议标签交换 MPLS标签和用于远程 流量采集的 MPLS标签发送给远端路由器;
远端路由器将接收到的 MPLS标签信息记录到配置信息中;
远端路由器对流量进行采集, 根据配置信息对报文进行封装, 并通过
MPLS网络将报文转发到本地路由器;
本地路由器接收并解析报文, 根据 MPLS标签对报文进行处理, 再发 送到收集分析服务器。
优选地, 所述根据 MPLS标签对艮文进行处理包括:
按与收集服务器约定的协议对数据格式进行转换和匹配。
优选地, 所述本地路由器和 /或远端服务器的数量为多个。
本发明还提供一种用于远程流量采集的装置, 用于与远端路由器及收 集分析服务器进行数据交互, 将收集到的流量发送至收集分析服务器, 包 括:
发送模块, 用于将到达本装置的多协议标签交换 MPLS标签和用于远 程流量采集的 MPLS标签发送给远端路由器;
报文解析模块, 用于解析远端路由器发送的包含有远端路由器流量信 息及 MPLS标签的 MPLS报文;
报文处理模块, 用于根据 MPLS标签对报文进行处理, 再发送到收集 分析服务器。
优选地, 所述报文处理模块对报文的处理具体包括:
按与收集服务器约定的协议对数据格式进行转换和匹配。 本发明还提供一种远程流量采集的***, 包括:
本地路由器, 用于将到达本路由器的多协议标签交换 MPLS标签和用 于远程流量采集的 MPLS标签发送给远端路由器;
远端路由器, 用于将接收到的 MPLS标签信息记录到配置信息中; 对 流量进行采集, 根据配置信息对报文进行封装, 并通过 MPLS 网络将报文 转发到本地路由器;
所述本地路由器还用于接收并解析报文, 根据 MPLS标签对报文进行 处理, 再发送到收集分析服务器。
本发明所提供的远程流量采集的方法、 装置或***, 通过两端或者多 端路由器的协作, 完成报文采集, 即在一端路由器上采集数据, 将报文进 行封装, 然后发送到目标路由器, 目标路由器再进行解析处理, 将报文发 送给收集分析服务器, 可以实现远端流量采集功能。 同时, 流量入口的路 由器只需要简单的流量提取, 而不需要做报文分析, 只需要将获得的报文 发送到另外一台路由器, 这样可以仅对采集分析服务器的软件版本进行升 级, 不必升级所有路由器软件, 只需要对本地路由器的版本进行升级就行 了。 此外,对于处理能力比较低的路由器, 也可以有效地降低 CPU的负荷, 从而优化性能。 并且, 还可以实现更为灵活、 强大的数据采集功能。 附图说明
图 1为现有技术中流量采集***的结构示意图;
图 2为本发明的一个实施方式中远程流量采集方法的步驟流程图; 图 3为本发明的一个实施方式中远程流量采集***的结构示意图。 具体实施方式
应当理解, 此处所描述的具体实施例仅仅用以解释本发明, 并不用于 限定本发明。 图 2示出了本发明的一个实施方式中远程流量采集的方法流程, 该方 法流程包括以下步驟:
步驟 S10, 本地路由器将到达本路由器的多协议标签交换(MPLS, Multi-Protocol Label Switching )标签和用于远程流量采集的 MPLS标签发送 给远端路由器; 在一实施例中, 执行该步驟之前, 还包括在远端路由器和 本地路由器上开启远程流量采集功能, 并相互配置对端的 IP地址的步驟。
步驟 S20, 远端路由器将接收到的 MPLS标签信息记录到配置信息中; 步驟 S30,远端路由器对流量进行采集,根据配置信息对报文进行封装, 并通过 MPLS网络将报文转发到本地路由器;
步驟 S40, 本地路由器接收并解析报文, 根据 MPLS标签对报文进行 处理, 再发送到收集分析服务器。 该步驟中, 根据 MPLS标签对报文进行 处理包括: 按与收集服务器约定的协议对数据格式进行转换和匹配。
上述方法流程的具体步驟可参照图 3所示:
在路由器 Rl、 R2上启用远端流量采集功能, 其中 R1为远端路由器, R2为本地路由器。 其具体流程如下:
首先, R2向 R1分发一个到 R1的 MPLS标签和一个用于远端流量采集 的 MPLS标签; R1路由器获得至 R2的标签与用于远端流量采集的标签后, 通知内部的流量采集模块, 将标签信息保存到配置信息中; R1对流量进行 采集并查看配置信息, 得到需要发送的远端路由器 R2相关的标签信息, 然 后 R1将标签封装到采集的报文头上, 通过 MPLS网络发送到 R2; R2收到 报文后, 解析 MPLS报文, 根据标签值得到与之关联的信息, 判断出是远 端相关路由器 R1采集到的报文后, 将报文送到本地的处理模块, 对相关数 据按与收集服务器约定的协议对数据格式进行转换和匹配处理, 之后再发 送到收集分析服务器, 从而达到在 R2上采集到 R1流量的目的。
应当说明的是, 本发明实施方式中, 本地路由器、 远端服务器的数量 可以分别为多个, 并不局限于图 3中的数量。
本发明实施方式中所提供的方法, 通过两端或者多端路由器的协作, 完成报文采集, 即在一端路由器上采集数据, 将报文进行封装, 然后发送 到目标路由器, 目标路由器再进行解析处理, 将报文发送给收集分析服务 器, 可以实现远端流量采集功能。 同时, 流量入口的路由器只需要简单的 流量提取, 而不需要做报文分析, 只需要将获得的报文发送到另外一台路 由器, 这样可以仅对采集分析服务器的软件版本进行升级, 不用升级所有 路由器软件, 只需要对本地路由器的版本进行升级就行了。 此外, 对于处 理能力比较低的路由器, 也可以有效地降低 CPU的负荷, 从而优化性能。 并且, 还可以实现更为灵活、 强大的数据采集功能。
本发明提供一种用于远程流量采集的装置, 其用于与远端路由器及收 集分析服务器进行数据交互, 将收集到的流量发送至收集分析服务器, 包 括:
发送模块, 用于将到达本装置的多协议标签交换 MPLS标签和用于远 程流量采集的 MPLS标签发送给远端路由器;
报文解析模块, 用于解析远端路由器发送的包含有远端路由器流量信 息及 MPLS标签的 MPLS报文;
报文处理模块, 用于根据 MPLS标签对报文进行处理, 再发送到收集 分析服务器。 报文处理模块对报文进行处理包括: 按与收集服务器约定的 协议对数据格式进行转换和匹配。
本发明用于远程流量采集的装置可布置到数据流量采集***中, 可以 看作前述图 2及图 3中的本地路由器,其结构和功能的实现可参照前述图 2 及图 3 所示实施例。 利用本发明远程流量采集的装置, 可以实现远端流量 采集功能。 同时, 流量入口的远端路由器只需要简单的流量提取, 而不需 要做报文分析, 只需要将获得的报文发送到本发明实施方式中的装置, 这 样可以在采集分析服务器的软件版本升级后, 不用升级路由器软件, 只需 要对本发明用于远程流量采集的装置的版本进行升级就行了。 此外, 对于 处理能力比较低的路由器,也可以有效地降低 CPU的负荷,从而优化性能, 并且, 还可以实现更为灵活、 强大的数据采集功能。
本发明还提供一种远程流量采集的***, 包括:
本地路由器, 用于将到达本路由器的多协议标签交换 MPLS标签和用 于远程流量采集的 MPLS标签发送给远端路由器;
远端路由器, 用于将接收到的 MPLS标签信息记录到配置信息中; 对 流量进行采集, 根据配置信息对报文进行封装, 并通过 MPLS 网络将报文 转发到本地路由器;
所述本地路由器还用于接收并解析报文, 根据 MPLS标签对报文进行 处理, 再发送到收集分析服务器。
本发明实施方式中, 远程流量采集的***的结构可参照图 2所示, 其 功能的实现可参照前述实施例。
以上仅为本发明的优选实施例, 并非因此限制本发明的专利范围, 凡 是利用本发明说明书及附图内容所作的等效结构或等效流程变换, 或直接 或间接运用在其他相关的技术领域, 均同理包括在本发明的专利保护范围 内。
工业实用性
本发明通过两端或者多端路由器的协作, 完成报文采集, 即在一端路 由器上采集数据, 将报文进行封装, 然后发送到目标路由器, 目标路由器 再进行解析处理, 将报文发送给收集分析服务器, 实现了远端流量采集功 能。

Claims

权利要求书
1、 一种远程流量采集的方法, 其特征在于, 包括以下步驟: 本地路由器将到达本路由器的多协议标签交换 MPLS标签和用于远程 流量采集的 MPLS标签发送给远端路由器;
远端路由器将接收到的 MPLS标签信息记录到配置信息中;
远端路由器对流量进行采集, 根据配置信息对报文进行封装, 并通过 MPLS网络将报文转发到本地路由器;
本地路由器接收并解析报文, 根据 MPLS标签对报文进行处理, 再发 送到收集分析服务器。
2、 根据权利要求 1所述的远程流量采集的方法, 其特征在于, 所述根 据 MPLS标签对报文进行处理包括:
按与收集服务器约定的协议对数据格式进行转换和匹配。
3、 根据权利要求 1或 2所述的远程流量采集的方法, 其特征在于, 所 述本地路由器和 /或远端服务器的数量为多个。
4、 一种用于远程流量采集的装置, 其特征在于, 用于与远端路由器及 收集分析服务器进行数据交互, 将收集到的流量发送至收集分析服务器, 包括:
发送模块, 用于将到达本装置的多协议标签交换 MPLS标签和用于远 程流量采集的 MPLS标签发送给远端路由器;
报文解析模块, 用于解析远端路由器发送的包含有远端路由器流量信 息及 MPLS标签的 MPLS报文;
报文处理模块, 用于根据 MPLS标签对报文进行处理, 再发送到收集 分析服务器。
5、 根据权利要求 4所述的装置, 其特征在于, 所述报文处理模块对报 文的处理具体包括: 按与收集服务器约定的协议对数据格式进行转换和匹配。
6、 一种远程流量采集的***, 其特征在于, 包括:
本地路由器, 用于将到达本路由器的多协议标签交换 MPLS标签和用 于远程流量采集的 MPLS标签发送给远端路由器;
远端路由器, 用于将接收到的 MPLS标签信息记录到配置信息中; 对 流量进行采集, 根据配置信息对报文进行封装, 并通过 MPLS 网络将报文 转发到本地路由器;
所述本地路由器还用于接收并解析报文, 根据 MPLS标签对报文进行 处理, 再发送到收集分析服务器。
7、 根据权利要求 6所述的***, 其特征在于, 所述本地路由器包括: 报文处理模块, 用于根据 MPLS标签对报文进行处理, 所述处理具体 包括: 按与收集服务器约定的协议对数据格式进行转换和匹配。
8、 根据权利要求 6或 7所述的***, 其特征在于, 所述本地路由器和 /或远端服务器的数量为多个。
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