JP6028138B2 - ネットワーク要素位置へのネットワーク経路の推定を伴うネットワーク監視 - Google Patents
ネットワーク要素位置へのネットワーク経路の推定を伴うネットワーク監視 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/22—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks comprising specially adapted graphical user interfaces [GUI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
- H04N21/6168—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving cable transmission, e.g. using a cable modem
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Description
関連した主題が以下の特許出願で開示されているが、それらは、本出願と所有者が共通し、同時係属であり、それらの内容全体が参照により本明細書に組み込まれる:2012年4月27日に出願された、「MAPPING A NETWORK FAULT」という名称の米国特許出願第13/458435号(代理人整理番号CS39864);2012年4月27日に出願された、「ESTIMATING A SEVERITY LEVEL OF NETWORK FAULT」という名称の米国特許出願第13/458472号(代理人整理番号CS39865);および2012年4月27日に出願された、「ESTIMATING PHYSICAL LOCATIONS OF NETWORK FAULTS」という名称の米国特許出願第13/458504号(代理人整理番号CS39866)。
大規模なネットワーク監視および管理システムを実装しようとするネットワークオペレータは、ネットワーク監視および管理ソフトウェアによる使用のために、全てのネットワークトポロジー情報をデータベースに入力する必要性によって挑戦される。この手動データ入力プロセスは、極めて時間がかかり費用が高くつくが、達成されると、かかるデータベースおよび情報はネットワークオペレータにとって極めて有益な情報を提供できる。
顧客/加入者および彼らのネットワーク要素は、障害を地図上の適切な地理的位置に結び付けることを可能にする目的で、地図上の点にリンクされる必要がある。いくつかの事例では、ネットワーク監視システムによってアクセスされて、自動的にインポートされるために利用可能な最小限のネットワーク要素位置データのみがあり得る。最小限の情報が提供され得る場合、ネットワーク内の問題を地理的に位置付けて、障害を重大度順に優先順位を付けるために、次のプロセスが使用できる。
監視されたパラメータとネットワークトポロジー情報との組合せが、ケーブルネットワーク障害の起こり得る物理的位置を識別するために使用できる。このアプローチは、簡単な多数の分析を通してソフトウェアで実装されることが可能である。複雑な画像認識および人工知能は必要ない。加えて、いくつかの異なっていて、潜在的で、一見無関係な、問題が観察される場合でさえ、共通のネットワーク障害点の位置を突き止めるために下位アルゴリズムの組合せが使用できる。
大規模なネットワーク監視およびアラーム生成に関連した課題は、各アラームに対して重大度レベルを適切に判断して割り当てることである。例えば、これは、何百万もの顧客にわたって数千のアラームがあり得る、極めて大規模なネットワークに対処する場合に特に重要である。
Claims (20)
- ネットワーク経路をマッピングする方法であって、
端末ネットワーク要素に関連する一意のメディアアクセスコントロールアドレスを前記端末ネットワーク要素に関連する顧客の、前記ネットワーク要素の地理的地図上の物理的な地理的位置を示すサービスアドレスにリンクさせるステップと、
少なくとも1つのネットワークケーブルの地理的経路であってネットワーク構成要素の地理的位置から前記端末ネットワーク要素への前記地理的位置への少なくとも1つの通りに沿った最短の歩行方向に対応する地理的経路を、実際のネットワーク経路に関する手動で入力されたデータを使用せずに、電子的に推定するステップと、
前記地理的地図に、前記ネットワーク構成要素の前記地理的位置、前記端末ネットワーク要素の前記地理的位置、および前記地理的経路を追加するステップであって、前記地理的地図は、地理空間ソフトウェアを介して表示可能であるステップと、
前記端末ネットワーク要素が故障を示しているときは、
前記端末ネットワーク要素から所定の地理的距離内のいずれの他の端末ネットワーク要素も故障を示さない場合において、前記地理的地図に、第1のアラームの視覚的表示を追加するか、又は
前記端末ネットワーク要素から前記所定の地理的距離内の1又はそれ以上の他の端末ネットワーク要素も故障を示すとき、前記地理的地図に、前記第1のアラームの視覚的表示より優先度が高い第2のアラームの視覚的表示を追加するステップと、
を含む、方法。 - 前記推定ステップ中に、キーホールマークアップ言語(KML)データを使用して、前記地理的経路を電子的に判断する、請求項1に記載の方法。
- 前記地理的地図の視覚形態を、前記ネットワーク構成要素、前記端末ネットワーク要素、および前記地理的経路が前記地理的地図の前記視覚形態上に図で示される、地理空間ソフトウェア実装KML符号化を用いて表示するステップをさらに含む、請求項1に記載の方法。
- 疑わしいネットワーク障害の地理的位置を、前記地理的地図の前記視覚形態上に図で示されるように、前記地理的地図上に追加するステップをさらに含む、請求項3に記載の方法。
- 前記ネットワーク構成要素および前記ネットワーク構成要素の前記地理的位置に関する情報を電子的に受信するステップをさらに含む、請求項1に記載の方法。
- 前記ネットワーク構成要素が光ファイバーノードであり、かつ、前記受信ステップが、前記情報をデータベースからケーブルモデム終端システム(CMTS)を介してインポートすることを含む、請求項5に記載の方法。
- 前記端末ネットワーク要素および前記端末ネットワーク要素の前記地理的位置に関する情報を電子的に受信するステップをさらに含む、請求項1に記載の方法。
- 前記受信ステップが、前記端末ネットワーク要素のサービスアドレスをデータベースからインポートすることと、前記端末ネットワーク要素の前記地理的位置を前記地理的地図上で前記サービスアドレスの地理的位置として印を付けることとを含む、請求項7に記載の方法。
- 前記地理的経路を推定する前記ステップが、前記端末ネットワーク要素のタップの位置を、前記サービスアドレスの前の通り上の位置として推定することを含む、請求項8に記載の方法。
- 前記地理的経路を推定する前記ステップが、ドロップケーブルの位置を前記サービスアドレスの前記地理的位置と前記タップの前記推定位置との間の接続として推定することを含む、請求項9に記載の方法。
- 前記地理的経路を推定する前記ステップが、前記地理的経路を前記ネットワーク構成要素と前記タップとの間として定義することとを含む、請求項9に記載の方法。
- 前記ネットワーク構成要素に接続された各端末ネットワーク要素に対して、前記推定ステップを繰り返すステップをさらに含み、かつ、前記推定ステップによって生成された前記地理的経路を、前記ネットワークの所定のサービスエリアに対して推定された全体的なネットワーク経路を生成するために、重ね合わせるステップをさらに含む、請求項1に記載の方法。
- どの端末ネットワーク要素が前記ネットワーク構成要素に接続されているかを判断するステップをさらに含む、請求項12に記載の方法。
- どの端末ネットワーク要素が接続されているかを判断する前記ステップが、DOCSISサービンググループに関する情報を電子的に受信することと、同じDOCSISサービンググループ内にあると判断される端末ネットワーク要素を、前記DOCSISサービンググループに対して責任があると判断される前記ネットワーク構成要素に接続することとを含む、請求項13に記載の方法。
- 前記ネットワーク構成要素が前記ネットワークのノードであり、かつどの端末ネットワーク要素が接続されているかを判断する前記ステップが、端末ネットワーク要素を前記ネットワークの物理的に最も近いノードに関連付けることを含む、請求項13に記載の方法。
- 地理的経路が交差する前記地理的地図上の位置を、タップとして既に識別されていない限り、スプリッターとして印を付けるステップをさらに含む、請求項12に記載の方法。
- ネットワーク電力レベルの不連続が前記地理的経路上で監視される場合に、前記地理的地図上の点を増幅器として印を付けるステップをさらに含む、請求項12に記載の方法。
- 対話型グラフィカルユーザーインタフェースの表示に、ネットワーク経路マッピング情報を追加するための信号処理電子装置であって、
端末ネットワーク要素に関連する一意のメディアアクセスコントロールアドレスを前記端末ネットワーク要素に関連する顧客の、前記ネットワーク要素の地理的地図上の物理的な地理的位置を示すサービスアドレスにリンクさせ、
ネットワーク構成要素の地理的位置と端末ネットワーク要素の前記地理的位置との間の少なくとも1つの通りに沿ったネットワークの推定された地理的経路を、実際のネットワーク経路に関する手動で入力されたデータを使用せずに、キーホールマークアップ言語(KML)データにより自動的に生成するように構成された少なくとも1つの処理装置を含み、前記少なくとも1つの処理装置が、前記地理的地図の表示に、前記ネットワーク構成要素の前記地理的位置、前記端末ネットワーク要素の前記地理的位置、および前記推定された地理的経路を追加するように構成され、
前記端末ネットワーク要素が故障を示しているときは、前記少なくとも1つの処理装置は、
前記端末ネットワーク要素から所定の地理的距離内のいずれの他の端末ネットワーク要素も故障を示さない場合において、前記地理的地図に、第1のアラームの視覚的表示を追加するか、又は
前記端末ネットワーク要素から前記所定の地理的距離内の1又はそれ以上の他の端末ネットワーク要素も故障を示すとき、前記地理的地図に、前記第1のアラームの視覚的表示より優先度が高い第2のアラームの視覚的表示を追加する、ように構成されている、信号処理電子装置。 - 前記信号処理電子装置がサーバーであり、前記地理的地図が、地理空間ソフトウェア実装KML符号化を介して表示可能であり、かつ、前記KMLデータが、前記ネットワーク構成要素の前記地理的位置と前記端末ネットワーク要素の前記地理的位置との間の最短の歩行距離に対応する経路を判断して、前記最短の歩行距離に対応する経路が、前記ネットワークの前記推定された地理的経路として使用されるようにするために、前記少なくとも1つの処理装置によって使用される、請求項18に記載の信号処理電子装置。
- その上にコンピュータプログラム命令が格納されている少なくとも1つの持続性コンピュータ可読記憶媒体であって、前記コンピュータプログラム命令が、少なくとも1つのプロセッサによって実行される場合、前記少なくとも1つのプロセッサに、
端末ネットワーク要素に関連する一意のメディアアクセスコントロールアドレスを前記端末ネットワーク要素に関連する顧客の、前記ネットワーク要素の地理的地図上の物理的な地理的位置を示すサービスアドレスにリンクさせることと、
ネットワーク構成要素の地理的位置と前記端末ネットワーク要素の前記地理的位置との間の少なくとも1つの通りに沿ったネットワークの地理的経路を、実際のネットワーク経路に関する手動で入力されたデータを使用せずに、キーホールマークアップ言語(KML)データにより電子的に推定することと、
前記地理的地図に、前記ネットワーク構成要素の前記地理的位置、前記ネットワーク要素の前記地理的位置、および前記地理的経路を追加することと、
を含む動作を実行させ、
ここで、前記推定ステップ中に、前記KMLデータが、前記ネットワーク構成要素の前記地理的位置と前記端末ネットワーク要素の前記地理的位置との間の最短の歩行距離に対応する経路を電子的に判断するために使用され、かつ、前記最短の歩行距離に対応する前記経路が、前記ネットワークの前記地理的経路として使用されるものであり、
前記端末ネットワーク要素が故障を示しているときは、
前記端末ネットワーク要素から所定の地理的距離内のいずれの他の端末ネットワーク要素も故障を示さない場合において、前記地理的地図に、第1のアラームの視覚的表示を追加すること、又は
前記端末ネットワーク要素から前記所定の地理的距離内の1又はそれ以上の他の端末ネットワーク要素も故障を示すとき、前記地理的地図に、前記第1のアラームの視覚的表示より優先度が高い第2のアラームの視覚的表示を追加すること、
を含む動作を実行させる、少なくとも1つの持続性コンピュータ可読記憶媒体。
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US13/458,368 US9003460B2 (en) | 2012-04-27 | 2012-04-27 | Network monitoring with estimation of network path to network element location |
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JP2015518351A (ja) | 2015-06-25 |
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US9003460B2 (en) | 2015-04-07 |
US20130291034A1 (en) | 2013-10-31 |
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