WO2009074090A1 - Procédé et appareil de détection de liaison - Google Patents
Procédé et appareil de détection de liaison Download PDFInfo
- Publication number
- WO2009074090A1 WO2009074090A1 PCT/CN2008/073281 CN2008073281W WO2009074090A1 WO 2009074090 A1 WO2009074090 A1 WO 2009074090A1 CN 2008073281 W CN2008073281 W CN 2008073281W WO 2009074090 A1 WO2009074090 A1 WO 2009074090A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- loopback
- cell
- request
- identification information
- unit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
Definitions
- the present invention relates to the field of network communications, and in particular, to a method and apparatus for detecting a link.
- ATM Advanced Technology Attachment
- the prior art provides a method for detecting a link, which sends a "request loopback" Loopback cell by using the Loo pback function at the origin of the ATM link; the response end of the ATM link receives the "" Request loopback to the Loopback cell and send a Loopback cell with "Response Loopback”; the initiator of the ATM link determines whether it receives the Loopback cell with "Response Loopback” within 5s; if it is received within 5s The link is normal; otherwise the link fails and the alarm is reported by the initiator of the ATM link.
- embodiments of the present invention provide a method and apparatus for detecting a link, which can be accurately detected in the case of multiple physical loopbacks or abnormal loopbacks. The actual situation of the ATM link.
- a specific embodiment of the present invention provides a method for detecting a link, where the method includes:
- the link is confirmed to be normal. If the loopback cell that responds to the loopback is not received within the set time, the alarm is reported. .
- a specific embodiment of the present invention further provides an apparatus for detecting a link, where the apparatus includes:
- Transmitting unit a loopback cell for transmitting a request loopback with identification information
- Receiving a request loopback unit for receiving a loopback cell requesting a loopback
- a judging unit determining whether the loopback cell of the request loopback received by the receiving request loopback unit is the same as the loopback cell of the request loopback with the identification information sent by the sending unit;
- the acknowledgment unit is configured to: when the judging unit judges that the same condition is obtained, and if the loopback cell that responds to the loopback is received in the setting period, confirm that the link is normal;
- the alarm unit is configured to report an alarm when the loopback cell that responds to the loopback is not received within the set time when the determining unit determines the same.
- the technical solution of the embodiment of the present invention inserts the identification information into the loopback cell that requests the loopback, and uses the identification information to determine whether the loop for requesting loopback is sent by the local end.
- the return element is used to detect the actual situation of the ATM link.
- FIG. 1 is a schematic diagram of a prior art ATM link in the case of multiple physical loopbacks or abnormal loopbacks. Inter-network situation.
- FIG. 2 is a flow chart of a method of detecting a link according to Embodiment 1 of the present invention.
- FIG. 3 is a structural diagram of an apparatus for detecting a link according to an embodiment of the present invention.
- Embodiments of the present invention provide a method of detecting a link.
- the method includes: first sending a loopback cell with a request loopback of the identification information; and after receiving the loopback cell requesting the loopback, determining the loopback cell that receives the request loopback and the strap Whether the loopback cells of the request loopback with the identification information are the same; if the loopback cell that responds to the loopback is received within the set time, it is confirmed that the link is normal, such as If the loopback cell that responded to the loopback is not received within the fixed time, the police will be reported. In the above method, if it is determined that the loopback cell that receives the request loopback is different from the loopback cell of the request loopback with the identification information, the loopback cell that responds to the loopback is sent. The above method can be completed by the originating end or the responding end of the ATM link.
- the specific operation of the loopback cell that sends the request loopback with the identification information in the above method may be: first, the optional field of the loopback cell requesting the loopback "Source"
- Section 7.2.4 has a detailed description, which is not mentioned here.
- the above identification information may preferably be a value of a local hardware controller, or may select other identification information that can distinguish between an ATM initiator and an ATM response terminal.
- the specific embodiment of the present invention does not limit the form of the identification information.
- the above method can also perform the following operations to check whether the alarm has been reported. If the alarm is reported, the reported alarm is restored. Report the alarm and end the operation. This operation can also be performed by the originating end or the responding end of the ATM link, and only needs to be the same as the operating body of the above method.
- the specific method for determining whether the loopback cell that receives the request loopback is the same as the loopback cell of the request loopback with the identification information in the foregoing method may be: first, determining the received request ring. Whether the loopback cell has the identification information, and after the identification information is the same as the identification information in the loopback cell with the request loopback with the identification information, the loopback of the received request is determined. The loopback cell is the same as the loopback cell of the request loopback with the identification information; If there is identification information or identification information but the identification information is different from the identification information in the loop back cell of the request loopback with the identification information, it is determined that the information is different.
- a specific embodiment of the present invention provides an embodiment.
- the embodiment provides a method for detecting a link.
- the technical scenario in this embodiment is that the operation body of the embodiment is an initiator of the ATM, and the identification information is local.
- the value of the hardware constantizer, the value of the local hardware constantizer is inserted in the optional field "Source ID" of the loopback cell requesting the loopback.
- This embodiment includes the following operations:
- Step 21 The sender of the originating end sends a loopback cell with a request loopback value of the value of the hardware fixer.
- Step 22 The receiving end of the originating end receives the loopback cell requesting the loopback;
- Step 23 The initiator judges whether the loopback cell that receives the request loopback is the same as the loopback cell that sends the request loopback with the value of the hardware timer;
- the initiator may determine whether the loopback cell that receives the request loopback is the same as the loopback cell that sends the request loopback with the value of the hardware timer. The initiator may determine the receipt. Whether the loopback cell requesting the loopback has a value of the hardware determinator, the loopback having the value of the hardware determinator and the value of the hardware splicer and the request loopback with the value of the hardware determinator After the value of the hardware determinator in the cell is the same, it is determined that the loopback cell that receives the request loopback is the same as the loopback cell of the request loopback with the value of the hardware determinator; If the value of the hardware timer or the value of the hardware controller is different from the identification information in the loopback cell of the request loopback with the identification information, it is determined that the value is not the same as the value of the hardware controller the same.
- Step 24 the initiator determines whether the loopback cell that receives the loopback is received within the set time; if it is received within the set time, proceed to step 25, otherwise proceed to step 26;
- the setting in this step is preferred for 5s. Of course, other situations can be selected in the actual situation. This embodiment does not limit the specific setting of the setting.
- Step 25 The initiator confirms that the link is normal.
- Step 26 Report the police on the originating side.
- Step 27 The initiator sends a loopback cell that responds to the loopback; after completing step 27, the initiator returns to step 24.
- the above method may further include the following operations:
- Step 28 the sender checks whether an alarm has been sent; in the case of detecting that the alarm has been sent, proceed to step 29, otherwise proceed to step 30;
- Step 29 The sender resumes the alarm.
- Step 30 End the operation.
- Steps 28 to 30 in Embodiment 1 are optional operations.
- the method provided by the embodiment of the present invention inserts the identification information into the loopback cell of the request loopback, and uses the identification information to determine whether the loopback cell of the request loopback sent by the local end is detected, thereby detecting the ATM. The actual situation of the link.
- An embodiment of the present invention further provides an apparatus for detecting a link.
- the apparatus includes a transmitting unit 31: a loopback cell for transmitting a request loopback with identification information; and a receiving unit 32.
- the loopback cell is configured to receive the loopback request.
- the determining unit 33 is configured to: after receiving the loopback cell that requests the loopback, the determining unit receives the loopback cell and the loopback requesting the loopback Whether the loopback cells of the request loopback with the identification information sent by the sending unit are the same; the confirming unit 34: configured to receive the same in the case that the determining unit 33 determines the same In response to the loopback cell of the loopback, the link is confirmed to be normal; and the alarm unit 35 is configured to: in the case where the determining unit 43 determines the same, the loopback message is not received in the set day. In the case of Yuan, the police are reported.
- the device for detecting a link may be an initiator end or a response end of an ATM link.
- the sending unit 31 may include: an inserting module 311: an optional field or an unused field for inserting the identification information into the loopback cell of the request loopback; the sending module 312, configured to identify in the inserting module 311 After the information is inserted into the loopback cell of the request loopback, the loopback cell that requests the loopback is sent.
- an inserting module 311 an optional field or an unused field for inserting the identification information into the loopback cell of the request loopback
- the sending module 312 configured to identify in the inserting module 311 After the information is inserted into the loopback cell of the request loopback, the loopback cell that requests the loopback is sent.
- the identification information has been described in detail in the method embodiment of the specific embodiment of the present invention, and is not mentioned here.
- the determining unit 33 includes: a detecting module 331, configured to detect whether the loopback cell that receives the request loopback is
- the identification module 332 is configured to: when detecting the loopback cell that receives the request loopback, with the identification information, and the loopback cell that receives the request loopback carries the identification information and the The identification information in the loopback cell of the request loopback of the identification information is the same, and the same is determined, otherwise the judgment is different.
- the above apparatus may further include: an checking unit 36: configured to check whether an alarm has been reported after the confirming unit 34 confirms that the link is normal; and recover the alarm unit 37: used in the checking unit 36 If it is checked that the alarm has been reported, the reported alarm is resumed.
- the device inserts the identification information into the loopback cell requesting the loopback, and uses the identification information to determine whether the loopback cell requesting the loopback is sent by the local end, thereby Detect AT
- the technical solution provided by the specific embodiments of the present invention has the advantage of detecting the actual situation of the ATM link.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Description
检测链路的方法及装置
[1] 本申请要求于 2007年 12月 12日提交中国专利局, 申请号为 200710179387.1, 发 明名称为"检测链路的方法及装置"的中国专利申请的优先权, 其全部内容通过弓 用结合在本申请中。
[2] 技术领域
[3] 本发明涉及网络通信领域, 尤其涉及一种检测链路的方法及装置。
[4] 发明背景
Mode, ATM) 协议分为 4层结构: 高层、 ATM适配层、 ATM层、 物理层。 ATM 层虚通道 /虚信道 (Virtual Path I Virtual
Channel, VP/VC) 级的操作维护管理 F4F5是检测 ATM层链路通断的一套机制, 一般使用连续性检测 (Continuity
Check, CC) 功能做长吋间的连续性检测, 当发现问题吋, 用环回 Loopback功能 做环回测试, 检査链路是否不通。 高层利用这套机制判断 ATM链路是否可用, 然后分配业务承载。
[6] 现有技术提供了一种检测链路的方法, 该方法通过 ATM链路的发起端应用 Loo pback功能发送一个 "请求环回"的 Loopback信元; ATM链路的响应端接收到 "请求 环回"的 Loopback信元后发送一个"回应环回"的 Loopback信元; ATM链路的发起 端判断是否在 5s内收到 "回应环回"的 Loopback信元; 如是在 5s内收到则说明链路 正常; 否则链路发生故障, 并由 ATM链路的发起端上报告警。
[7] 发明人发现现有技术所述的方法存在如下问题:
[8] 以 ATM链路的 Loopback发起端为例说明, 通常 ATM链路的发起端和响应端即 是 Loopback发送端也是 Loopback接收端, 所以在出现多次物理环回或者出现异 常环回的情况下, 实际的组网情况如图 1所示。 当 ATM链路的 Loopback发起端发 出"请求环回"的 loopback信元后, 直接物理环回给发起端接收。 由于这是一个" 请求环回"的 loopback信元, 于是发起端发送一个 "回应环回"的 loopback信元, 继
续直接物理环回给发起端接收。 发起端在 5s内收到 "回应环回"的 loopback信元后 , 显示 ATM链路正常, 而此吋的实际情况是 ATM链路故障, 需上报告警。 由上 述描述可知, 现有技术所述的方法在出现多次物理环回或者出现异常环回的情 况下无法检测出 ATM链路的实际情况。
发明内容
鉴于上述现有技术所存在的问题, 本发明实施方式提供一种检测链路的方法及 装置, 所述方法和装置能在出现多次物理环回或者出现异常环回的情况下, 准 确检测出 ATM链路的实际情况。
本发明的具体实施方式提供一种检测链路的方法, 所述方法包括:
发送带有识别信息的请求环回的环回信元, 并接收请求环回的环回信元; 判断收到的请求环回的环回信元与所述带有识别信息的请求环回的环回信元是 否相同;
如果相同, 且在设定吋间内收到回应环回的环回信元的情况下, 确认链路正常 , 如在设定吋间内未收到回应环回的环回信元, 则上报告警。
本发明具体实施方式还提供一种检测链路的装置, 所述装置包括:
发送单元: 用于发送带有识别信息的请求环回的环回信元;
接收请求环回单元: 用于接收请求环回的环回信元;
判断单元: 用于判断所述接收请求环回单元收到的请求环回的环回信元与所述 发送单元发送的带有识别信息的请求环回的环回信元是否相同;
确认单元: 用于在所述判断单元判断出相同的情况下, 且在设定吋间内收到回 应环回的环回信元的情况下, 确认链路正常;
告警单元: 用于在所述判断单元判断出相同的情况下, 在设定吋间内未收到回 应环回的环回信元的情况下, 上报告警。
由上述所提供的技术方案可以看出, 本发明实施例的技术方案将识别信息*** 到请求环回的环回信元内, 并通过该识别信息来判断是否为本端发送的请求环 回的环回信元, 以此来检测 ATM链路的实际情况。
附图简要说明
图 1为现有技术 ATM链路在出现多次物理环回或者出现异常环回的情况下的实
际组网情况。
[24] 图 2为本发明实施例 1的检测链路的方法的流程图。
[25] 图 3为本发明具体实施方式所述的检测链路的装置的结构图。
[26] 具体实施方式
[27] 本发明实施方式提供了一种检测链路的方法。
[28] 该方法包括: 首先发送带有识别信息的请求环回的环回信元; 在收到请求环回 的环回信元后, 判断所述收到请求环回的环回信元与所述带有识别信息的请求 环回的环回信元是否相同; 在判断出相同的情况下, 且在设定吋间内收到回应 环回的环回信元的情况下, 确认链路正常, 如在设定吋间内未收到回应环回的 环回信元, 则上报告警。 上述方法在判断出所述收到请求环回的环回信元与所 述带有识别信息的请求环回的环回信元不相同的情况下, 发送回应环回的环回 信元。 上述方法可以由 ATM链路的发起端或响应端完成。
[29] 上述方法中的发送带有识别信息的请求环回的 loopback信元的具体操作可以为 , 首先在请求环回的 loopback信元的可选字段" Source
ID"或未使用字段 "Unused"***识别信息, 再发送带有识别信息的请求环回的 loo pback信元。 上述 loopback信元的结构及格式在协议 1.610
7.2.4节有详细的描述, 这里就不在赞述。 上述识别信息可以优选本地硬件定吋 器的值, 也可以选择其它的能区别 ATM发起端和 ATM响应端的识别信息, 本发 明具体实施方式并不局限识别信息的形式。
[30] 上述方法在确认链路正常后, 还可以进行如下操作, 检査是否已上报告警, 在 检査出已上报告警的情况下, 恢复该上报的告警; 如检査出未上报告警, 则结 束操作。 该操作也可以由 ATM链路的发起端或响应端完成, 只需和上述方法的 操作主体相同即可。
[31] 上述方法中的判断所述收到请求环回的 loopback信元与所述带有识别信息的请 求环回的 loopback信元是否相同的具体方法可以为, 首先判断所述收到请求环回 的 loopback信元是否具有识别信息, 在具有识别信息且该识别信息与所述带有识 别信息的请求环回的 loopback信元中的识别信息相同吋, 判断出所述收到请求环 回的 loopback信元与所述带有识别信息的请求环回的 loopback信元相同; 在不具
有识别信息或具有识别信息但该识别信息与所述带有识别信息的请求环回的 loop back信元中的识别信息不相同的情况下, 判断出不相同。
[32] 为更好的描述本发明实施方式所述的方法, 现结合附图 2对本发明的具体实施 方式进行说明:
[33] 本发明的具体实施方式提供一实施例, 该实施例提供一种检测链路的方法, 本 实施例的技术场景为, 本实施例的操作主体为 ATM的发起端, 识别信息为本地 硬件定吋器的值, 该本地硬件定吋器的值***在请求环回的 loopback信元的可选 字段" Source ID"。 本实施例包括以下操作:
[34] 步骤 21、 发起端的发送端发送带有硬件定吋器的值的请求环回的 loopback信元
[35] 该步骤中的发送端发送带有硬件定吋器的值的请求环回的 loopback信元的具体 操作为, 将硬件定吋器的值***到请求环回的 loopback信元的可选字段" Source ID"后, 发送请求环回的 loopback信元。
[36] 步骤 22、 发起端的接收端收到请求环回的 loopback信元;
[37] 步骤 23、 发起端判断收到请求环回的 loopback信元与发送带有硬件定吋器的值 的请求环回的 loopback信元是否相同;
[38] 如果相同, 则进行步骤 24〜26, 如果不同, 则进行步骤 27 ;
[39] 该步骤中发起端判断收到请求环回的 loopback信元与发送带有硬件定吋器的值 的请求环回的 loopback信元是否相同的具体操作可以为, 发起端判断所述收到请 求环回的 loopback信元是否具有硬件定吋器的值, 在具有硬件定吋器的值且该硬 件定吋器的值与所述带有硬件定吋器的值的请求环回的 loopback信元中的硬件定 吋器的值相同吋, 判断出所述收到请求环回的 loopback信元与所述带有硬件定吋 器的值的请求环回的 loopback信元相同; 在不具有硬件定吋器的值或具有硬件定 吋器的值但该硬件定吋器的值与所述带有识别信息的请求环回的 loopback信元中 的识别信息不相同的情况下, 判断出不相同。
[40] 步骤 24、 发起端判断是否在设定吋间内接收到回应环回的 loopback信元; 如在 设定吋间内收到, 则进行步骤 25, 否则进行步骤 26;
[41] 该步骤中的设定吋间优先选择 5s, 当然在实际情况中也可以选择其它的吋间,
本实施例不局限设定的具体吋间。
[42] 步骤 25、 发起端确认链路正常。
[43] 步骤 26、 发起端上报告警。
[44] 步骤 27、 发起端发送回应环回的 loopback信元; 在完成步骤 27后, 发起端返回 到步骤 24。
[45] 上述方法在完成步骤 25以后, 还可以包括以下操作:
[46] 步骤 28、 发送端检査是否已发送告警; 在检査出已发送告警的情况下, 进行步 骤 29, 否则进行步骤 30;
[47] 步骤 29、 发送端恢复告警。
[48] 步骤 30、 结束操作。
[49] 实施例 1中的步骤 28〜30为可选操作。
[50] 本发明实施方式提供的方法将识别信息***到请求环回的 loopback信元内, 并 通过该识别信息来判断是否为本端发送的请求环回的 loopback信元, 以此来检测 ATM链路的实际情况。
[51] 本发明的实施方式还提供一种检测链路的装置, 如图 3所示, 该装置包括发送 单元 31 : 用于发送带有识别信息的请求环回的环回信元; 接收单元 32: 用于接 收请求环回的环回信元; 判断单元 33: 用于在所述接收单元收到所述请求环回 的环回信元后, 判断收到所述请求环回的环回信元与所述发送单元发送的所述 带有识别信息的请求环回的环回信元是否相同; 确认单元 34: 用于在所述判断 单元 33判断出相同的情况下, 且在设定吋间内收到回应环回的环回信元的情况 下, 确认链路正常; 告警单元 35: 用于在所述判断单元 43判断出相同的情况下 , 在设定吋间内未收到回应环回的环回信元的情况下, 上报告警。 本发明具体 实施方式所述的检测链路的装置可以为 ATM链路的发起端或响应端。
[52] 上述发送单元 31可以包括: ***模块 311 : 用于将识别信息***请求环回的环 回信元的可选字段或未使用字段; 发送模块 312, 用于在所述***模块 311将识 别信息***请求环回的环回信元后, 发送所述请求环回的环回信元。 该识别信 息已在本发明具体实施方式中的方法实施例中详细说明, 这里就不在赞述。 上 述判断单元 33包括: 检测模块 331, 用于检测所述收到请求环回的环回信元是否
带有识别信息; 判断模块 332, 用于在检测出所述收到请求环回的环回信元带有 识别信息且所述收到请求环回的环回信元带有识别信息与所述带有识别信息的 请求环回的环回信元中的识别信息相同吋, 判断出相同, 否则判断出不相同。
[53] 上述装置还可以包括, 检査单元 36: 用于在所述确认单元 34确认链路正常后, 检査是否已上报告警; 恢复告警单元 37: 用于在所述检査单元 36检査出已上报 告警的情况下, 恢复所述已上报告警。
[54] 发明具体实施方式所述的装置, 将识别信息***到请求环回的环回信元内, 并 通过该识别信息来判断是否为本端发送的请求环回的环回信元, 以此来检测 AT
M链路的实际情况。
[55] 综上所述, 本发明具体实施方式提供的技术方案, 具有检测 ATM链路的实际情 况的优点。
[56] 可以理解的是, 附图中或实施例中所示仅仅是示意性的, 表示逻辑结构, 其中 所述作为分离部件显示的单元可能是或者可能不是物理上分开的, 作为单元显 示的部件可能是或者可能不是物理单元, 即可以位于一个地方, 或者分布到几 个网络单元上。
[57] 以上所述, 仅为本发明较佳的具体实施方式, 但本发明的保护范围并不局限于 此, 任何熟悉本技术领域的技术人员在本发明实施例揭露的技术范围内, 可轻 易想到的变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保 护范围应该以权利要求的保护范围为准。
Claims
[1] 一种检测链路的方法, 其特征在于, 所述方法包括:
发送带有识别信息的请求环回的环回信元, 并接收请求环回的环回信元; 判断收到的请求环回的环回信元与所述带有识别信息的请求环回的环回信 元是否相同;
如果相同, 且在设定吋间内收到回应环回的环回信元的情况下, 确认链路 正常, 如在设定吋间内未收到回应环回的环回信元, 则上报告警。
[2] 根据权利要求 1所述的方法, 其特征在于, 所述判断收到的请求环回的环回 信元与所述带有识别信息的请求环回的环回信元是否相同包括: 检测所述收到的请求环回的环回信元是否带有识别信息, 在检测出所述收 到的请求环回的环回信元带有识别信息且所述收到请求环回的环回信元带 有识别信息与所述带有识别信息的请求环回的环回信元中的识别信息相同 吋, 判断出相同, 否则判断出不相同。
[3] 根据权利要求 1所述的方法, 其特征在于, 所述带有识别信息的请求环回的 环回信元为:
将识别信息***请求环回的环回信元的可选字段或未使用字段。
[4] 根据权利要求 1〜3任一所述的方法, 其特征在于, 所述识别信息为本地硬 件定吋器的值。
[5] 根据权利要求 1所述的方法, 其特征在于, 所述方法在确认链路正常后, 还 包括如下操作:
检査是否已上报告警;
在检査出已上报告警的情况下, 恢复所述已上报告警。
[6] 根据权利要求 1所述的方法, 其特征在于, 所述方法进一步包括:
在判断出不相同的情况下, 发送回应环回的环回信元。
[7] 一种检测链路的装置, 其特征在于, 所述装置包括:
发送单元: 用于发送带有识别信息的请求环回的环回信元; 接收请求环回单元: 用于接收请求环回的环回信元;
判断单元: 用于判断所述接收请求环回单元收到的请求环回的环回信元与
所述发送单元发送的带有识别信息的请求环回的环回信元是否相同; 确认单元: 用于在所述判断单元判断出相同的情况下, 且在设定吋间内收 到回应环回的环回信元的情况下, 确认链路正常;
告警单元: 用于在所述判断单元判断出相同的情况下, 在设定吋间内未收 到回应环回的环回信元的情况下, 上报告警。
[8] 根据权利要求 7所述的装置, 其特征在于, 所述发送单元包括:
***模块: 用于将识别信息***请求环回的环回信元的可选字段或未使用 字段;
发送模块, 用于在所述***模块将识别信息***请求环回的环回信元后, 发送所述请求环回的环回信元。
[9] 根据权利要求 7所述的装置, 其特征在于, 所述判断单元包括:
检测模块, 用于检测所述收到请求环回的环回信元是否带有识别信息; 判断模块, 用于在检测出所述收到请求环回的环回信元带有识别信息且所 述收到请求环回的环回信元带有识别信息与所述带有识别信息的请求环回 的环回信元中的识别信息相同吋, 判断出相同, 否则判断出不相同。
[10] 根据权利要求 7所述的装置, 其特征在于, 所述装置还包括:
检査单元: 用于在所述确认单元确认链路正常后, 检査是否已上报告警; 恢复告警单元: 用于在所述检査单元检査出已上报告警的情况下, 恢复所 述已上报告警。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007101793871A CN101202677B (zh) | 2007-12-12 | 2007-12-12 | 检测链路的方法及装置 |
CN200710179387.1 | 2007-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009074090A1 true WO2009074090A1 (fr) | 2009-06-18 |
Family
ID=39517656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2008/073281 WO2009074090A1 (fr) | 2007-12-12 | 2008-12-01 | Procédé et appareil de détection de liaison |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN101202677B (zh) |
WO (1) | WO2009074090A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101202677B (zh) * | 2007-12-12 | 2010-11-03 | 华为技术有限公司 | 检测链路的方法及装置 |
CN101511100B (zh) * | 2009-01-16 | 2012-07-04 | 华为技术有限公司 | 一种链路检测的方法、装置和*** |
CN102223238B (zh) * | 2010-04-16 | 2013-11-06 | 鸿富锦精密工业(深圳)有限公司 | 交换设备及其环回侦测方法 |
CN105871569B (zh) * | 2015-01-19 | 2020-08-04 | 中兴通讯股份有限公司 | Otn 网络故障节点自动检测的方法及装置 |
CN109104338B (zh) * | 2018-11-12 | 2020-10-16 | 北京天融信网络安全技术有限公司 | 链路智能探测方法、存储介质及计算机设备 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH114231A (ja) * | 1997-06-11 | 1999-01-06 | Nec Corp | ループバックセル制御方式及び装置 |
US6545979B1 (en) * | 1998-11-27 | 2003-04-08 | Alcatel Canada Inc. | Round trip delay measurement |
CN1691609A (zh) * | 2004-04-20 | 2005-11-02 | 北京润光泰力科技发展有限公司 | 一种以太网转换器线路侧环回检测的方法和装置 |
CN1866849A (zh) * | 2005-05-16 | 2006-11-22 | 华为技术有限公司 | 一种检测以太网用户线状态的方法 |
CN101202677A (zh) * | 2007-12-12 | 2008-06-18 | 华为技术有限公司 | 检测链路的方法及装置 |
-
2007
- 2007-12-12 CN CN2007101793871A patent/CN101202677B/zh not_active Expired - Fee Related
-
2008
- 2008-12-01 WO PCT/CN2008/073281 patent/WO2009074090A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH114231A (ja) * | 1997-06-11 | 1999-01-06 | Nec Corp | ループバックセル制御方式及び装置 |
US6545979B1 (en) * | 1998-11-27 | 2003-04-08 | Alcatel Canada Inc. | Round trip delay measurement |
CN1691609A (zh) * | 2004-04-20 | 2005-11-02 | 北京润光泰力科技发展有限公司 | 一种以太网转换器线路侧环回检测的方法和装置 |
CN1866849A (zh) * | 2005-05-16 | 2006-11-22 | 华为技术有限公司 | 一种检测以太网用户线状态的方法 |
CN101202677A (zh) * | 2007-12-12 | 2008-06-18 | 华为技术有限公司 | 检测链路的方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101202677A (zh) | 2008-06-18 |
CN101202677B (zh) | 2010-11-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7590053B2 (en) | Multiple endpoint protection using SPVCs | |
EP2458797A1 (en) | Method, device and system for updating ring network topology information | |
WO2009074090A1 (fr) | Procédé et appareil de détection de liaison | |
US9459830B2 (en) | Method and apparatus for recovering memory of user plane buffer | |
US7715307B2 (en) | Communication connection control systems and methods | |
JP2002505064A (ja) | 順次ホップ・ループバック | |
WO2009124499A1 (zh) | 信令传送的保护方法、装置及通信*** | |
WO2012149856A1 (zh) | 一种rrpp环网中链路故障检测及处理方法、装置 | |
CN106452894A (zh) | 故障连接检测方法和设备 | |
TWI245507B (en) | System and method for network connection detection | |
TW200929912A (en) | Port failure communication in cross-connect applications | |
WO2011144124A2 (zh) | 基站控制***接口单元及其检测方法 | |
US6307856B1 (en) | Method of establishing connection | |
Cisco | ISDN through LCCOREDUMP | |
CN101247287B (zh) | 操作管理维护机制的故障检测方法 | |
CN114158070B (zh) | 专网中数据传输的方法和装置 | |
CN103546491A (zh) | 基于h.248终端的通信链路异常保护方法 | |
CN115842751B (zh) | 一种链路探测方法、装置、***、设备及可读存储介质 | |
CN109039728A (zh) | 基于bfd的流量拥塞检测方法及*** | |
JP5858177B2 (ja) | インターネットプロトコル(ip)ネットワーク装置、ネットワークシステムおよび方法 | |
JP3072731B2 (ja) | 予備系定周期監視によるvp切替方法及びシステム | |
KR100309187B1 (ko) | V5.2 링크 제어방법 | |
JP3574028B2 (ja) | 監視システム | |
CN100356745C (zh) | 基于信令异步传输模式适配层的数据传输方法及其应用 | |
US7593412B1 (en) | Method to manage SAAL resources in distributed implementation environment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 08858879 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 08858879 Country of ref document: EP Kind code of ref document: A1 |