JP4472985B2 - 通信ネットワークのパケット交換ネットワークノードを過負荷から保護するための方法 - Google Patents
通信ネットワークのパケット交換ネットワークノードを過負荷から保護するための方法 Download PDFInfo
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- JP4472985B2 JP4472985B2 JP2003509789A JP2003509789A JP4472985B2 JP 4472985 B2 JP4472985 B2 JP 4472985B2 JP 2003509789 A JP2003509789 A JP 2003509789A JP 2003509789 A JP2003509789 A JP 2003509789A JP 4472985 B2 JP4472985 B2 JP 4472985B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
- H04W28/14—Flow control between communication endpoints using intermediate storage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/11—Identifying congestion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/29—Flow control; Congestion control using a combination of thresholds
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/30—Flow control; Congestion control in combination with information about buffer occupancy at either end or at transit nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
- H04W48/06—Access restriction performed under specific conditions based on traffic conditions
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Telephonic Communication Services (AREA)
Description
−資源の負荷状況を監視するステップと、
−負荷状況によって、監視している資源に何らかの過負荷状況が発生したことを検出するステップと、
−過負荷状況が検出された場合は、予め定めた規則に基づいて、過負荷を解消する対策を決定するステップとを実行する方法が得られる。
Claims (14)
- 通信ネットワークのパケット交換ネットワークノードを過負荷から保護する方法であって、前記パケット交換ネットワークノードは要求を処理するための資源及び前記資源を過負荷から保護するための過負荷保護タスク(OPT)を実行する手段を備え、前記資源は処理すべき要求のための少なくとも1つの入力キュー(Q1〜Q4)であって、制御シグナリング要求(R(CS))の受信用の第1の入力キュー(Q1)と、ユーザデータ要求(R(IP))の受信用第2の入力キュー(Q2、Q3、Q4)を含む入力キュー(Q1〜Q4)と、要求処理を行うためのプロセッサ(CPU)と、要求処理に関するデータを格納するためのメモリ(M)とを有し、前記ユーザデータ要求(R(IP))がユーザデータパケットとして与えられるとともに、処理のための前記資源が制限されており、前記ネットワークノード、特に前記過負荷保護タスク(OPT)が、
−前記資源の負荷状況を監視するステップと、
−前記負荷状況によって、前記監視されている資源において発生した何らかの過負荷状況を検出するステップであって、前記過負荷状況を検出するステップが、メモリ消費が所定の第1の閾値を超えたかどうかを検出するステップと、プロセッサ負荷が所定のプロセッサ負荷限度を超えたかどうかを検出するステップと、前記入力キュー(Q1〜Q4)の占有率が所定占有率を超えたかどうかを検出するステップとを含み、
−検出された過負荷状況について、所定の規則に基づき、過負荷解消対策を決定するステップであって、前記メモリ消費が前記所定の第1の閾値を超えたか、前記プロセッサ負荷が前記所定のプロセッサ負荷限度を超えたか、前記第1の入力キュー(Q1)内の制御シグナリング要求(R(CS))の前記占有率が前記所定制御シグナリング要求占有率を超えた場合、前記決定される過負荷解消対策が、
−前記第1の入力キュー(Q1)において受信された制御シグナリング要求R(CS)の所定割合を拒否するステップを有するステップ、
とを実行することを特徴とする方法。 - 前記過負荷状況を検出するステップが、メモリ消費が前記所定の第1の閾値よりも大きい所定の第2の閾値を超えたかどうかを検出するステップをさらに有することを特徴とする請求項1記載の方法。
- 前記過負荷状況の検出ステップは、前記第1の入力キュー(Q1)内の制御シグナリング要求(R(CS))の占有率が所定制御シグナリング要求占有率を超えたかどうかを検出するステップをさらに有することを特徴とする請求項1又は請求項2に記載の方法。
- 前記過負荷状況の検出ステップは、前記第2の入力キュー(Q2、Q3、Q4)内のユーザデータ要求(R(IP))の占有率が所定ユーザデータ要求占有率を超えたかどうかを検出するステップをさらに有することを特徴とする請求項1乃至請求項3のいずれか1項に記載の方法。
- メモリ消費が前記所定の第1の閾値を超えた場合、前記決定される過負荷解消対策が、
−前記第2の入力キュー(Q2、Q3、Q4)から、前記ユーザデータパケットを破棄するステップをさらに有することを特徴とする請求項1乃至請求項4のいずれか1項に記載の方法。 - 前記メモリ消費が前記所定の第2の閾値を超えた場合、前記決定される過負荷解消対策が、
−前記第1の入力キュー(Q1)において受信された制御シグナリング要求R(CS)の全てを拒否するステップと、
−前記第2の入力キュー(Q2、Q3、Q4)から、全てのユーザデータパケットを破棄するステップとを有することを特徴とする請求項2記載の方法。 - 前記プロセッサ負荷が前記所定のプロセッサ負荷限度を超えた場合、前記決定される過負荷解消対策が、
−前記第2の入力キュー(Q2、Q3、Q4)から、前記ユーザデータパケットを破棄するステップをさらに有することを特徴とする請求項1乃至請求項6のいずれか1項に記載の方法。 - 前記第2の入力キュー(Q2、Q3、Q4)内のユーザデータ要求(R(IP))の前記占有率が前記所定ユーザデータ要求占有率を超えた場合、前記決定される過負荷解消対策が、
−前記第2の入力キュー(Q2、Q3、Q4)から、前記ユーザデータパケットを破棄するステップとを有することを特徴とする請求項1乃至請求項7のいずれか1項に記載の方法。 - 前記決定された少なくとも1つの解消対策を実行して前記検出された過負荷状況を解消するステップを有することを特徴とする請求項1乃至請求項8のいずれか1項に記載の方法。
- 前記判定された過負荷状況が解消した場合には前記決定された過負荷解消対策の実行が一時停止されることを特徴とする請求項8記載の方法。
- 通信ネットワークのネットワークノード要素であって、要求を処理するための資源及び、この資源を過負荷から保護するための過負荷保護タスク(OPT)を実行する手段を備え、前記資源は、処理すべき要求のための少なくとも1つの入力キュー(Q1〜Q4)であって、制御シグナリング要求(R(CS))の受信用の第1の入力キュー(Q1)と、ユーザデータ要求(R(IP))の受信用第2の入力キュー(Q2、Q3、Q4)を含む入力キュー(Q1〜Q4)と、要求処理を行うためのプロセッサ(CPU)と、要求処理に関するデータを格納するためのメモリ(M)とを有し、前記ユーザデータ要求(R(IP))がユーザデータパケットとして与えられるとともに、前記ネットワークノードの、処理のための資源が制限されており、前記入力キュー(Q1〜Q4)を請求項1記載の方法に従って制御するための要求処理手段(RH)をさらに有することを特徴とするネットワークノード要素。
- 請求項11記載のネットワークノード要素を少なくとも1つ有する通信ネットワーク。
- ディジタル処理装置(CPU)の内部メモリ(M)にロード可能なコンピュータプログラムであって、前記ディジタル処理装置(CPU)で実行された際に請求項1乃至請求項10のいずれか1項に記載の方法における各ステップを制御するように適合されたソフトウェアコード部分を有することを特徴とするコンピュータプログラム。
- 請求項13記載のコンピュータプログラムを記録したコンピュータ読み取り可能な記録媒体。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01111656 | 2001-05-14 | ||
| EP01111663 | 2001-05-14 | ||
| PCT/EP2002/005308 WO2003003753A2 (en) | 2001-05-14 | 2002-05-14 | Method for protecting against overload of a packet switching network node of a communication network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004534460A JP2004534460A (ja) | 2004-11-11 |
| JP4472985B2 true JP4472985B2 (ja) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003509789A Expired - Fee Related JP4472985B2 (ja) | 2001-05-14 | 2002-05-14 | 通信ネットワークのパケット交換ネットワークノードを過負荷から保護するための方法 |
| JP2002590696A Pending JP2004531964A (ja) | 2001-05-14 | 2002-05-14 | 移動通信網における過負荷を防止するための方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002590696A Pending JP2004531964A (ja) | 2001-05-14 | 2002-05-14 | 移動通信網における過負荷を防止するための方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US7324543B2 (ja) |
| EP (2) | EP1388266B1 (ja) |
| JP (2) | JP4472985B2 (ja) |
| AU (1) | AU2002325213A1 (ja) |
| WO (2) | WO2003003753A2 (ja) |
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| AU2002325213A1 (en) | 2003-03-03 |
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| WO2003003753A2 (en) | 2003-01-09 |
| EP1388266A1 (en) | 2004-02-11 |
| JP2004531964A (ja) | 2004-10-14 |
| US20040185867A1 (en) | 2004-09-23 |
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