JP3191658B2 - Performance management monitor method - Google Patents
Performance management monitor methodInfo
- Publication number
- JP3191658B2 JP3191658B2 JP02182996A JP2182996A JP3191658B2 JP 3191658 B2 JP3191658 B2 JP 3191658B2 JP 02182996 A JP02182996 A JP 02182996A JP 2182996 A JP2182996 A JP 2182996A JP 3191658 B2 JP3191658 B2 JP 3191658B2
- Authority
- JP
- Japan
- Prior art keywords
- cell
- performance
- measurement result
- point
- fmoam
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 17
- 238000005259 measurement Methods 0.000 claims description 37
- 230000015556 catabolic process Effects 0.000 claims description 22
- 238000006731 degradation reaction Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
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- Data Exchanges In Wide-Area Networks (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ＡＴＭ（Asynchro
nous Transfer Mode、非同期転送モード）網に好適な性
能管理モニタ方式に関し、特に性能劣化区間の特定を可
能にする性能管理モニタ方式に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ATM (Asynchro
The present invention relates to a performance management monitor method suitable for a nous transfer mode (asynchronous transfer mode) network, and particularly to a performance management monitor method capable of specifying a performance degradation section.
【０００２】[0002]
【従来の技術】従来、この種の性能管理モニタ方式で
は、ＶＰＣ（Virtual Path Connection、仮想パスコネ
クション）／ＶＣＣ（Virtual Channel Connection、仮
想チャネルコネクション）終端点間の性能管理を行うた
めに、ＶＰＣ／ＶＣＣ終端点間の伝送特性の性能測定結
果を表すバックワードレポーティング（以下「ＢＲ」と
略記する）ＯＡＭ（Operation, Administration and Ma
intenance、保守運用管理）セルをＶＰＣ／ＶＣＣ終端
点間の各中間点においてモニタしている。2. Description of the Related Art Conventionally, in this type of performance management monitoring system, a VPC (Virtual Path Connection) / VCC (Virtual Channel Connection) end point is managed in order to perform the performance management between a VPC (Virtual Path Connection) and a VCC (Virtual Channel Connection). Backward reporting (hereinafter abbreviated as "BR") representing the performance measurement result of the transmission characteristics between VCC termination points OAM (Operation, Administration and Ma
(intenance, maintenance operation management) The cell is monitored at each intermediate point between the VPC / VCC termination points.
【０００３】図２は、従来の性能管理モニタ方式の構成
ないし動作を説明するためのブロック図である。FIG. 2 is a block diagram for explaining the configuration or operation of a conventional performance management monitor system.
【０００４】図２を参照すると、ＶＰＣ／ＶＣＣ終端点
（以下単に「終端点」ともいう）Ａのフォワードモニタ
リング（以下「ＦＭ」と略記する）ＯＡＭセル送出部１
１は、ＦＭＯＡＭセル１０１を生成して順方向フローに
送出する。また、終端点ＡのＢＲＯＡＭセル検出部１２
は、逆方向フローのＢＲＯＡＭセル１１１をドロップす
る。Referring to FIG. 2, a forward monitoring (hereinafter abbreviated as "FM") OAM cell transmitting section 1 of a VPC / VCC termination point (hereinafter also simply referred to as "termination point") A
1 generates the FMOAM cell 101 and sends it out to the forward flow. The BROAM cell detector 12 at the terminal point A
Drops the BROAM cell 111 of the reverse flow.
【０００５】終端点ＢのＦＭＯＡＭセル検出部１３は、
順方向フローのＦＭＯＡＭセル１０１をドロップする。
また、終端点ＢのＢＲＯＡＭセル送出部１４は、ＢＲＯ
ＡＭセル１１１を生成して逆方向フローに送出する。[0005] The FMOAM cell detector 13 at the terminal point B
The FMOAM cell 101 of the forward flow is dropped.
In addition, the BROAM cell transmission unit 14 of the terminal point B
An AM cell 111 is generated and transmitted to the reverse flow.
【０００６】ＶＰＣ／ＶＣＣ中間点（以下単に「中間
点」ともいう）１〜ｎ（ｎは中間点の数）のＢＲＯＡＭ
セル検出部２１〜２ｎは、それぞれ逆方向フローのＢＲ
ＯＡＭセル１１１をモニタする。BROAM of VPC / VCC intermediate points (hereinafter, also simply referred to as "intermediate points") 1 to n (n is the number of intermediate points)
The cell detectors 21 to 2n respectively perform the reverse flow BR
The OAM cell 111 is monitored.
【０００７】次に、図２を参照して、従来の性能管理モ
ニタ方式の動作を説明する。Next, the operation of the conventional performance management monitor system will be described with reference to FIG.
【０００８】終端点Ａでは、ＦＭＯＡＭセル送出部１１
が順方向フローのユーザセル１００に対してＦＭＯＡＭ
セル１０１を生成して順方向フローに送出する。At the terminal point A, the FMOAM cell transmitting unit 11
Is FMOAM for the user cell 100 in the forward flow.
The cell 101 is generated and transmitted to the forward flow.
【０００９】終端点Ｂでは、ＦＭＯＡＭセル検出部１３
が順方向フローのユーザセル１００とＦＭＯＡＭセル１
０１とから終端点Ａ−Ｂ間の性能測定を行い、この性能
測定結果をＢＲＯＡＭセル１１１を用いて逆方向フロー
に送出することによって終端点Ａに通知する。ここで、
ＢＲＯＡＭセル１１１の生成及び送出はＢＲＯＡＭセル
送出部１４が行う。At the terminal point B, the FMOAM cell detector 13
Is the forward flow user cell 100 and FMOAM cell 1
01, the performance measurement between the end points AB is performed, and the performance measurement result is transmitted to the reverse flow using the BROAM cell 111 to notify the end point A. here,
The BROAM cell sending unit 14 generates and sends the BROAM cell 111.
【００１０】終端点Ａでは、ＢＲＯＡＭセル検出部１２
が逆方向フローのＢＲＯＡＭセル１１１から終端点Ａ−
Ｂ間の順方向フローの性能測定結果を検出する。また、
中間点１〜ｎでは、ＢＲＯＡＭセル検出部２１〜２ｎが
逆方向フローのＢＲＯＡＭセル１１１をモニタすること
によって終端点Ａ−Ｂ間の順方向フローの性能測定結果
を検出する。At the terminal point A, the BROAM cell detector 12
Is the terminal point A-
The performance measurement result of the forward flow between B is detected. Also,
At the intermediate points 1 to n, the BROAM cell detectors 21 to 2n detect the performance measurement result of the forward flow between the end points A and B by monitoring the BROAM cell 111 of the backward flow.
【００１１】[0011]
【発明が解決しようとする課題】しかしながら、前述し
た従来の性能管理モニタ方式では、ＶＰＣ／ＶＣＣ終端
点間の各中間点が終端点間の順方向フローの伝送特性の
性能測定結果を逆方向フローのＢＲＯＡＭセルをモニタ
することによって検出するため、終端点間のある区間で
性能劣化が生じた場合に、性能劣化の発生については検
出できるが、性能劣化区間を特定することができないと
いう問題がある。However, in the conventional performance management monitoring method described above, each intermediate point between the VPC / VCC termination points is used to determine the performance measurement result of the transmission characteristics of the forward flow between the termination points in the reverse flow. Is detected by monitoring the BROAM cell, the performance degradation can be detected when the performance degradation occurs in a certain section between the end points, but the performance degradation section cannot be specified. .
【００１２】従って、本発明は前記問題点に鑑みてなさ
れたものであり、性能劣化の発生を検出するだけでな
く、性能劣化区間の特定をも可能にする性能管理モニタ
方式を提供することを目的とする。[0012] Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide a performance management monitor method that not only detects the occurrence of performance degradation but also enables the specification of a performance degradation section. Aim.
【００１３】[0013]
【課題を解決するための手段】前記目的を達成するた
め、本発明は、仮想パスコネクション（ＶＰＣ）及び／
又は仮想チャネルコネクション（ＶＣＣ）の一の終端点
からフォワードモニタリングＯＡＭセル（ＦＭＯＡＭセ
ル）を順方向フローに送出し、該ＦＭＯＡＭセルを他の
終端点でモニタして前記一の終端点と前記他の終端点と
の間の順方向フローの伝送特性の性能測定を行い、該性
能測定結果を表すバックワードレポーティングＯＡＭセ
ル（ＢＲＯＡＭセル）を逆方向フローを用いて前記一の
終端点に送出して前記終端点間の伝送特性の性能管理を
行う性能管理モニタ方式において、前記一の終端点から
送出される前記ＦＭＯＡＭセルを前記終端点間の所定の
中間点でモニタして前記一の終端点と前記所定の中間点
との間の順方向フローの伝送特性の性能測定を行うＦＭ
ＯＡＭセルモニタ手段と、該ＦＭＯＡＭセルモニタ手段
が性能測定した性能測定結果を前記所定の中間点から逆
方向フローを用いて前記一の終端点に送出する性能測定
結果通知手段と、該性能測定結果通知手段から送出され
た前記性能測定結果を前記一の終端点で検出する性能測
定結果検出手段と、該性能測定結果検出手段が検出した
前記性能測定結果と、前記ＢＲＯＡＭセルと、を比較し
て前記終端点間の性能劣化区間を特定する性能劣化区間
特定手段と、を含むことを特徴とする性能管理モニタ方
式を提供する。In order to achieve the above object, the present invention provides a virtual path connection (VPC) and / or a virtual path connection (VPC).
Alternatively, a forward monitoring OAM cell (FMOAM cell) is transmitted in a forward flow from one termination point of a virtual channel connection (VCC), and the FMOAM cell is monitored at another termination point, and the one termination point and the other termination point are monitored. A performance measurement of the transmission characteristics of the forward flow to and from the terminal point is performed, and a backward reporting OAM cell (BROAM cell) representing the result of the performance measurement is sent to the one terminal point by using a reverse flow, and In a performance management monitor system for performing performance management of transmission characteristics between end points, the FMOAM cell transmitted from the one end point is monitored at a predetermined intermediate point between the end points, and the one end point and the FM for measuring performance of transmission characteristics of forward flow to and from a predetermined intermediate point
OAM cell monitoring means, performance measurement result notifying means for sending a performance measurement result measured by the FMOAM cell monitoring means from the predetermined intermediate point to the one end point using a reverse flow, and the performance measurement result notification means A performance measurement result detecting means for detecting the performance measurement result transmitted from the one end point; comparing the performance measurement result detected by the performance measurement result detection means with the BROAM cell; And a performance deterioration section specifying means for specifying a performance deterioration section between points.
【００１４】また、本発明の性能管理モニタ方式におい
て、前記性能劣化区間特定手段が、前記終端点間に存在
する複数の中間点のそれぞれについて前記性能測定結果
と前記ＢＲＯＡＭセルとを順に比較して前記性能劣化区
間を特定するようにしてもよい。Further, in the performance management monitoring method according to the present invention, the performance degradation section specifying means compares the performance measurement result and the BROAM cell in order for each of a plurality of intermediate points existing between the terminal points. The performance degradation section may be specified.
【００１５】本発明の性能管理モニタ方式によれば、Ｖ
ＰＣ／ＶＣＣ終端点間の順方向フローのユーザセルとＦ
ＭＯＡＭセルとを個々の中間点でモニタして終端点と各
中間点との間の性能測定を行い、この性能測定結果を逆
方向フローを用いて終端点に送出し、終端点において
は、逆方向フローから検出された終端点と各中間点との
間の性能測定結果と、ＢＲＯＡＭセルと、を比較して終
端点間における性能劣化区間を特定する。According to the performance management monitor method of the present invention, V
User cell and F of the forward flow between PC / VCC termination points
The MOAM cell is monitored at each intermediate point to measure the performance between the terminal point and each intermediate point, and the result of the performance measurement is sent to the terminal point using a reverse flow, and at the terminal point, the reverse measurement is performed. The performance measurement result between the terminal point detected from the directional flow and each intermediate point is compared with the BROAM cell, and the performance degradation section between the terminal points is specified.
【００１６】[0016]
【発明の実施の形態】以下、本発明の実施の形態につい
て図面を参照して説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１７】図１は、本発明の一実施形態に係る性能管
理モニタ方式の構成ないし動作を説明するためのブロッ
ク図である。図１において図２と同一の符号が付された
構成要素は、前述した従来の性能管理モニタ方式の対応
する構成要素と同一の機能を有している。ここでは、主
として従来の性能管理モニタ方式と異なる機能について
説明する。FIG. 1 is a block diagram for explaining the configuration or operation of the performance management monitor system according to one embodiment of the present invention. In FIG. 1, components denoted by the same reference numerals as those in FIG. 2 have the same functions as the corresponding components of the above-described conventional performance management monitor method. Here, functions different from those of the conventional performance management monitor method will be mainly described.
【００１８】図１を参照すると、ＶＰＣ／ＶＣＣ中間点
１〜ｎ（ｎは中間点の数）のＦＭＯＡＭセル検出部３１
〜３ｎは、順方向フローのユーザセル１００とＦＭＯＡ
Ｍセル１０１とをモニタする。Referring to FIG. 1, FMOAM cell detectors 31 at VPC / VCC intermediate points 1 to n (n is the number of intermediate points).
-3n are the user cells 100 of the forward flow and the FMOA
The M cell 101 is monitored.
【００１９】中間点１〜ｎのＭＢＲＯＡＭセル送出部４
１〜４ｎは、ＭＢＲＯＡＭセル１２１を生成して逆方向
フローに送出する。なお、終端点Ｂから送出されるＢＲ
ＯＡＭセル１１１と区別するために、中間点１〜ｎから
送出するＢＲＯＡＭセルをモニタ（以下「Ｍ」と略記す
る）ＢＲＯＡＭセルとしている。MBROAM cell transmitting section 4 at intermediate points 1 to n
1 to 4n generate the MBROAM cell 121 and transmit it to the reverse flow. The BR sent from the terminal point B
In order to be distinguished from the OAM cell 111, BROAM cells transmitted from the intermediate points 1 to n are set as monitor (hereinafter abbreviated as "M") BROAM cells.
【００２０】終端点ＡのＭＢＲＯＡＭセル検出部５１
は、逆方向フローのＭＢＲＯＡＭセル１２１をドロップ
する。The MBROAM cell detector 51 at the terminal point A
Drops the MBROAM cell 121 of the reverse flow.
【００２１】終端点Ａの性能劣化区間特定部５２は、Ｂ
ＲＯＡＭセル検出部１２が検出したＢＲＯＡＭセル１１
１と、ＭＢＲＯＡＭセル検出部５１が検出したＭＢＲＯ
ＡＭセル１２１と、を比較して性能劣化区間を特定す
る。The performance degradation section identification unit 52 at the terminal point A
BROAM cell 11 detected by ROAM cell detector 12
1 and the MBRO detected by the MBROAM cell detector 51.
The performance degradation section is identified by comparing the performance degradation section with the AM cell 121.
【００２２】次に、図１を参照して、本実施形態に係る
性能管理モニタ方式の動作を説明する。Next, the operation of the performance management monitor system according to this embodiment will be described with reference to FIG.
【００２３】本実施形態に係る性能管理モニタ方式は、
ＶＰＣ／ＶＣＣ終端点間で性能劣化が発生している場合
に実行され、ＦＭＯＡＭセル１０１を送出する終端点Ａ
に近い中間点１から中間点ｎまでの各中間点について以
下のように動作する。The performance management monitor method according to the present embodiment comprises:
Termination point A that is executed when performance degradation occurs between VPC / VCC termination points and that transmits FMOAM cell 101
Operates as follows for each intermediate point from intermediate point 1 to intermediate point n.
【００２４】例えば、中間点１では、ＦＭＯＡＭセル検
出部３１が、モニタした順方向フローのユーザセル１０
０とＦＭＯＡＭセル１０１とから終端点Ａ−中間点１間
の性能測定を行い、この性能測定結果をＭＢＲＯＡＭセ
ル１２１を用いて逆方向フローに送出することによって
終端点Ａに通知する。ここで、ＭＢＲＯＡＭセル１２１
の生成及び送出はＭＢＲＯＡＭセル送出部４１が行う。For example, at the intermediate point 1, the FMOAM cell detector 31 detects the user cell 10 of the monitored forward flow.
0 and the FMOAM cell 101 to measure the performance between the terminal point A and the intermediate point 1 and transmit the result of the performance measurement to the terminal point A by sending the result of the performance measurement to the reverse flow using the MBROAM cell 121. Here, the MBROAM cell 121
Is generated and transmitted by the MBROAM cell transmission unit 41.
【００２５】終端点Ａでは、ＭＢＲＯＡＭセル検出部５
１が、逆方向フローのＭＢＲＯＡＭセル１２１から終端
点Ａ−中間点１間の順方向フローの性能測定結果を検出
する。また、性能劣化区間特定部５２は、ＭＢＲＯＡＭ
セル検出部５１が検出した終端点Ａ−中間点１間の順方
向フローの性能測定結果と、ＢＲＯＡＭセル検出部１２
が検出したＢＲＯＡＭセル１１１、すなわち終端点Ａ−
Ｂ間の順方向フローの性能測定結果と、を比較する。At the terminal point A, the MBROAM cell detector 5
1 detects the performance measurement result of the forward flow between the end point A and the intermediate point 1 from the MBROAM cell 121 of the backward flow. In addition, the performance degradation section identification unit 52 determines whether the MBROAM
The performance measurement result of the forward flow between the terminal point A and the intermediate point 1 detected by the cell detector 51, and the BROAM cell detector 12
Detects the BROAM cell 111, that is, the termination point A-
The performance measurement result of the forward flow between B and B is compared.
【００２６】以上の動作を中間点１〜ｎについて順に実
行することにより、終端点Ａ−Ｂ間において性能劣化が
発生している性能劣化区間を特定することができる。By sequentially performing the above operations for the intermediate points 1 to n, it is possible to specify a performance degradation section in which performance degradation has occurred between the end points A and B.
【００２７】以上、本発明の一実施形態について説明し
てきたが、本発明はこのような実施の形態に限定される
ことなく、本発明の原理に準ずる各種の実施の形態を含
む。While one embodiment of the present invention has been described above, the present invention is not limited to such an embodiment but includes various embodiments according to the principle of the present invention.
【００２８】[0028]
【発明の効果】以上説明したように、本発明の性能管理
モニタ方式によれば、ＶＰＣ／ＶＣＣ終端点間の各中間
点で順方向フローのＦＭＯＡＭセルをモニタして終端点
と個々の中間点との間の性能測定を行い、この性能測定
結果を逆方向フローを用いて終端点に通知するため、終
端点では、終端点間の性能測定結果（ＢＲＯＡＭセル）
と、各中間点から送出される終端点−中間点間の性能測
定結果（ＭＢＲＯＡＭセル）と、を比較することによっ
て終端点間の性能劣化区間を特定することが可能にな
る。As described above, according to the performance management monitoring method of the present invention, the FMOAM cell of the forward flow is monitored at each intermediate point between the VPC / VCC terminal points, and the terminal point and the individual intermediate points are monitored. Is performed, and the performance measurement result is notified to the termination point using the reverse flow. Therefore, at the termination point, the performance measurement result between the termination points (BROAM cell)
By comparing this with the performance measurement result (MBROAM cell) between the terminal point and the intermediate point transmitted from each intermediate point, it becomes possible to specify the performance degradation section between the terminal points.
【００２９】また、本発明の性能管理モニタ方式によれ
ば、ＶＰＣ／ＶＣＣ終端点間に性能劣化が発生した場合
にのみ実行されることになるため、通常時の伝送トラヒ
ックには影響を及ぼさない。Further, according to the performance management monitor method of the present invention, since it is executed only when the performance is deteriorated between the VPC / VCC termination points, it does not affect the normal transmission traffic. .
【図１】本発明の一実施形態に係る性能管理モニタ方式
の構成ないし動作を説明するためのブロック図である。FIG. 1 is a block diagram for explaining a configuration or operation of a performance management monitor method according to an embodiment of the present invention.
【図２】従来の性能管理モニタ方式の構成ないし動作を
説明するためのブロック図である。FIG. 2 is a block diagram for explaining the configuration or operation of a conventional performance management monitor method.
１１ ＦＭＯＡＭセル送出部 １２ ＢＲＯＡＭセル検出（ドロップ）部 １３ ＦＭＯＡＭセル検出（ドロップ）部 １４ ＢＲＯＡＭセル送出部 ２１〜２ｎ ＢＲＯＡＭセル検出（モニタ）部（ｎは中
間点の数） ３１〜３ｎ ＦＭＯＡＭセル検出（モニタ）部（ｎは中
間点の数） ４１〜４ｎ ＭＢＲＯＡＭセル送出部（ｎは中間点の
数） ５１ ＭＢＲＯＡＭセル検出（ドロップ）部 ５２ 性能劣化区間特定部 １００ ユーザセル １０１ ＦＭＯＡＭセル １１１ ＢＲＯＡＭセル １２１ ＭＢＲＯＡＭセルReference Signs List 11 FMOAM cell transmission unit 12 BROAM cell detection (drop) unit 13 FMOAM cell detection (drop) unit 14 BROAM cell transmission unit 21-2n BROAM cell detection (monitor) unit (n is the number of intermediate points) 31-3n FMOAM cell detection (Monitor) section (n is the number of intermediate points) 41 to 4n MBROAM cell transmission section (n is the number of intermediate points) 51 MBROAM cell detection (drop) section 52 Performance degradation section identification section 100 User cell 101 FMOAM cell 111 BROAM cell 121 MBROAM cell
フロントページの続き (56)参考文献 特開 平３−106247（ＪＰ，Ａ) 特開 平５−30128（ＪＰ，Ａ) 特開 平５−268257（ＪＰ，Ａ) 「絵ときＡＴＭネットワークバイブ ル」（平成７年２月28日）Ｐ88−92 「Ｂ−ＩＳＤＮ絵とき読本」（平成５ 年７月30日）Ｐ127−130 (58)調査した分野(Int.Cl.7，ＤＢ名) H04L 12/24 H04L 12/26 Continuation of the front page (56) References JP-A-3-106247 (JP, A) JP-A-5-30128 (JP, A) JP-A-5-268257 (JP, A) (February 28, 1995) P88-92 "B-ISDN Picture Book" (July 30, 1993) P127-130 (58) Fields surveyed (Int. Cl. 7 , DB name) H04L 12 / 24 H04L 12/26
Claims (2)
は仮想チャネルコネクション（ＶＣＣ）の一の終端点か
らフォワードモニタリングＯＡＭセル（ＦＭＯＡＭセ
ル）を順方向フローに送出し、該ＦＭＯＡＭセルを他の
終端点でモニタして前記一の終端点と前記他の終端点と
の間の順方向フローの伝送特性の性能測定を行い、該性
能測定結果を表すバックワードレポーティングＯＡＭセ
ル（ＢＲＯＡＭセル）を逆方向フローを用いて前記一の
終端点に送出して前記終端点間の伝送特性の性能管理を
行う性能管理モニタ方式において、 前記一の終端点から送出される前記ＦＭＯＡＭセルを前
記終端点間の所定の中間点でモニタして前記一の終端点
と前記所定の中間点との間の順方向フローの伝送特性の
性能測定を行うＦＭＯＡＭセルモニタ手段と、 該ＦＭＯＡＭセルモニタ手段が性能測定した性能測定結
果を前記所定の中間点から逆方向フローを用いて前記一
の終端点に送出する性能測定結果通知手段と、 該性能測定結果通知手段から送出された前記性能測定結
果を前記一の終端点で検出する性能測定結果検出手段
と、 該性能測定結果検出手段が検出した前記性能測定結果
と、前記ＢＲＯＡＭセルと、を比較して前記終端点間の
性能劣化区間を特定する性能劣化区間特定手段と、 を含むことを特徴とする性能管理モニタ方式。1. A forward monitoring OAM cell (FMOAM cell) is sent from one end point of a virtual path connection (VPC) and / or a virtual channel connection (VCC) to a forward flow, and the FMOAM cell is sent to another end point. To measure the performance of the transmission characteristics of the forward flow between the one termination point and the other termination point, and to transmit the backward reporting OAM cell (BROAM cell) representing the performance measurement result in the reverse flow direction. In the performance management monitor method for performing performance management of the transmission characteristics between the termination points by transmitting the FMOAM cells to the one termination point by using the FMOAM cells transmitted from the one termination point, An FMOAM cell monitor that monitors at an intermediate point and measures the performance of the transmission characteristics of the forward flow between the one end point and the predetermined intermediate point And a performance measurement result notifying means for transmitting the performance measurement result measured by the FMOAM cell monitoring means from the predetermined intermediate point to the one end point by using a reverse flow; and transmitting from the performance measurement result notifying means. Performance measurement result detecting means for detecting the obtained performance measurement result at the one termination point; and comparing the performance measurement result detected by the performance measurement result detection means with the BROAM cell, and comparing the performance measurement result with the BROAM cell. And a performance degradation section identifying means for identifying a performance degradation section of the performance management monitor method.
間に存在する複数の中間点のそれぞれについて前記性能
測定結果と前記ＢＲＯＡＭセルとを順に比較して前記性
能劣化区間を特定することを特徴とする請求項１記載の
性能管理モニタ方式。2. The method according to claim 1, wherein the performance degradation section identifying means identifies the performance degradation section by sequentially comparing the performance measurement result with the BROAM cell for each of a plurality of intermediate points existing between the terminal points. 2. The performance management monitor system according to claim 1, wherein:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02182996A JP3191658B2 (en) | 1996-01-12 | 1996-01-12 | Performance management monitor method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02182996A JP3191658B2 (en) | 1996-01-12 | 1996-01-12 | Performance management monitor method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09200228A JPH09200228A (en) | 1997-07-31 |
| JP3191658B2 true JP3191658B2 (en) | 2001-07-23 |
Family
ID=12065966
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02182996A Expired - Fee Related JP3191658B2 (en) | 1996-01-12 | 1996-01-12 | Performance management monitor method |
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| Country | Link |
|---|---|
| JP (1) | JP3191658B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000269999A (en) | 1999-03-19 | 2000-09-29 | Fujitsu Ltd | Communication device between networks |
| US9264332B2 (en) | 2011-07-04 | 2016-02-16 | Nec Corporation | Transmission system, transmission device, packet loss ratio measurement method, and packet loss ratio measurement program |
-
1996
- 1996-01-12 JP JP02182996A patent/JP3191658B2/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| 「Ｂ−ＩＳＤＮ絵とき読本」（平成５年７月３０日）Ｐ１２７−１３０ |
| 「絵ときＡＴＭネットワークバイブル」（平成７年２月２８日）Ｐ８８−９２ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09200228A (en) | 1997-07-31 |
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