JP2002506543A - 分散型コンピュータネットワーク上のデータ配信のサーバ側最適化のためのシステムおよび方法 - Google Patents
分散型コンピュータネットワーク上のデータ配信のサーバ側最適化のためのシステムおよび方法Info
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1008—Server selection for load balancing based on parameters of servers, e.g. available memory or workload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/101—Server selection for load balancing based on network conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1021—Server selection for load balancing based on client or server locations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1038—Load balancing arrangements to avoid a single path through a load balancer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1014—Server selection for load balancing based on the content of a request
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1023—Server selection for load balancing based on a hash applied to IP addresses or costs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1029—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers using data related to the state of servers by a load balancer
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Information Transfer Between Computers (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.ファイルを受け取るために、分散型コンピュータネットワーク上に配置さ れている配信サイトを選択するためのシステムであって、 通信ネットワークと、 前記ネットワークに接続されている少なくとも1つのコンテンツプロバイダで あって、少なくとも1つのファイルを記憶するコンテンツプロバイダと、 前記ネットワークに接続されている少なくとも2つの配信サイトであって、そ れそれコンテンツプロバイダと同じファイルを記憶する配信サイトと、 前記ネットワークに接続されているリダイレクトサーバと、 前記ネットワークに接続されているユーザ端末と、 前記ネットワークを試験し、かつ、前記ネットワークに接続されている全ての 配信サイトから1つの好ましい配信サイトを選択するためのネットワーク試験装 置と、 前記リダイレクトサーバによって指定されている前記好ましい配信サイトから 前記ユーザ端末へファイルをダウンロードするためのダウンロード装置と、 を備えるシステム。 2.前記ネットワーク試験装置が前記ユーザ端末に接続されている第1の記憶 媒体を有し、 前記第1の記憶媒体は、前記ネットワークを試験し、かつ、前記ネットワーク に接続されているすべての配信サイトから1つの好ましい配信サイトを選択する ための、第1のソフトウェアプログラムを実現する、請求項1に記載のシステム 。 3.前記ダウンロード装置が前記ユーザ端末に接続されている第2の記憶媒体 を有し、 前記第2の記憶媒体は、前記好ましい配信サイトから前記ユーザ端末へファイ ルをダウンロードすることができる、第2のソフトウェアプログラムを実現する 、請求項2に記載のシステム。 4.前記リダイレクトサーバがデータベースを有する、請求項3に記載のシス テム。 5.前記第1のソフトウェアプログラムが前記データベースによって作成され る配信サイトのリストを使用する、請求項4に記載のシステム。 6.前記第1のソフトウェアプログラムが、配信サイトの前記リストから前記 好ましい配信サイトを選択するためのネットワーク分析手順からの結果を使用す る、請求項5に記載のシステム。 7.前記第1のソフトウェアプログラムが、好ましい配信サイトの優先順位が 付けられたリストを作成するためのネットワーク分析手順からの結果を使用する 、請求項5に記載のシステム。 8.前記ネットワーク分析手順が前記ユーザ端末において少なくとも部分的に 実行される、請求項6に記載のシステム。 9.前記ネットワーク分析手順が複数のネットワーク試験を含む、請求項8に 記載のシステム。 10.前記ネットワーク試験が前記データベース内に維持されている試験のリ ストから選択される、請求項9に記載のシステム。 11.前記ネットワーク試験からの結果が前記データベースに提供される、請 求項9に記載のシステム。 12.前記第1のソフトウェアプログラムが前記ユーザ端末と関連して前記ネ ットワーク試験を実行する、請求項9に記載のシステム。 13.前記結果が前記データベースに記憶される、請求項11に記載のシステ ム。 14.前記データベースが、前記ユーザ端末のためのアドレスを少なくとも1 つの配信サイトにマッピングする、請求項13に記載のシステム。 15.前記第2のソフトウェアプログラムが前記ユーザ端末と関連してダウン ロードを実行する、請求項14に記載のシステム。 16.前記第2のソフトウェアプログラムが前記データベースによって指定さ れるサーバからダウンロードを実行する、請求項15に記載のシステム。 17.前記第1のソフトウェアプログラムが任意の時点で実行可能な請求項1 2に記載のシステム。 18.前記第1のソフトウェアプログラムが、任意のファイルがダウンロード される前に、自動的に実行される、請求項17に記載のシステム。 19.前記ファイルがビデオクリップを含む請求項1に記載のシステム。 20.前記第2のソフトウェアプログラムが、優先順位が付けられているリス トを使用する、請求項7に記載のシステム。 21.前記第2のソフトウェアプログラムが前記データベースにアクセスする 、請求項20に記載のシステム。 22.前記第2のソフトウェアプログラムが、まず、優先順位が付けられてい るリストにおいて指定されている第1の配信サイトを使用することを試行する、 請求項21に記載のシステム。 23.前記第1の配信ファイルが故障すると、前記第2のソフトウェアプログ ラムが、優先順位が付けられているリストにおいて指定されている連続する配信 サイトを使用することを試行する、請求項22に記載のシステム。 24.優先順位が付けられているリストにおけるすべての配信サイトが故障す ると、前記第2のソフトウェアプログラムが前記コンテンツプロバイダから直接 ダウンロードすることを試行する、請求項23に記載のシステム。 25.前記ファイルがそれに関連している特徴の情報を有する、請求項1に記 載のシステム。 26.前記特徴の情報が前記ファイルに対応する「EMBED」ステートメン ト内に記憶される、請求項25に記載のシステム。 27.ネットワーク上の複数の配信サイトから好ましい配信サイトのセットを 決定するための方法であって、 配信サイトのリストを取得するステップと、 少なくとも1つのネットワーク試験を実行するステップと、 前記ネットワーク試験からの結果を処理するステップと、 前記試験の結果に従って、IPアドレスに前記配信サイトをマッピングするス テップと、 を含む方法。 28.前記実行するステップが前記リスト中の前記配信サイトのいくつかを試 験することを含む、請求項27に記載の方法。 29.前記実行するステップは、 前記リストから配信サイトのサブセットを選択することと、 前記サブセットにおけるそれぞれの配信サイトに対し、少なくとも1回の試験 を実行することと を含む、請求項28に記載の方法。 30.前記試験が複数の試験から選択される、請求項29に記載の方法。 31.前記複数の試験が前記ネットワークに接続されているデータベースにお いて指定される、請求項30に記載の方法。 32.前記試験が、前記データベースにおいて指定されている頻度に基づき、 ランダムな選択によって複数から選択される、請求項31に記載の方法。 33.前記ネットワークに接続されているデータベースに前記結果を送信する ステップをさらに含む、請求項27に記載の方法。 34.前記処理するステップが、前記結果を重み付けすることを含む、請求項 27に記載の方法。 35.前記マッピングするステップが、複数のアドレス範囲のそれぞれに対し 、好ましい順序で配信サイトのセットを記憶することを含む、請求項27に記載 の方法。 36.各アドレス範囲が、同じ第1バイトを有するすべてのIPアドレスに対 応する、請求項35に記載の方法。 37.前記好ましい順序が前記試験の結果によって決定される、請求項36に 記載の方法。 38.配信サイトの前記リストがデータベースから得られる、請求項27に記 載の方法。 39.配信サイトからユーザ端末へファイルをダウンロードするための方法で あって、 希望されているファイルを識別するステップと、 前記希望されているファイルが、1つまたは2つ以上の配信サイト上でミラー 化されているかどうかを判断するステップと、 前記希望されているファイルがミラー化されている場合、好ましい配信サイト をIPアドレスにマッピングされている配信サイトのリストにおいて見つけるス テップと、 前記好ましい配信サイトから前記希望されているファイルをダウンロードする ステップと、 を含む方法。 40.前記判断するステップが、リダイレクトサーバに問い合わせ、かつ、応 答を受け取るサブステップを含む、請求項39に記載の方法。 41.前記問い合わせるステップがスクリプトによって実行される、請求項4 0に記載の方法。 42.前記スクリプトがウェブページ内に埋め込まれている、請求項41に記 載の方法。 43.前記問い合わせるステップが、前記ユーザ端末にダウンロードされてい るプログラムによって実行される、請求項40に記載の方法。 44.検索するステップおよびダウンロードするステップが、前記ダウンロー ドするステップが成功するまで繰り返される、請求項40に記載の方法。 45.繰り返される検索およびダウンロードのステップが成功しない場合に、 コンテンツプロバイダのサイトから前記希望されているファイルをダウンロード するステップをさらに含む、請求項44に記載の方法。 46.前記見つけるステップは、 前記ユーザ端末のためのアドレスを決定するサブステップと、 前記アドレスを、データベース内のアドレスのリストと比較するサブステップ と、 前記データベースに十分なデータが含まれている場合、前記アドレスに対応す る前記好ましい配信サイトの位置を突きとめるサブステップと、 前記データベースに十分なデータが含まれていない場合、デフォルトの配信サ イトの位置を突きとめるサブステップと を含む、請求項40に記載の方法。 47.前記比較するステップが、前記データベースをホストするコンピュータ において実行される、請求項46に記載の方法。 48.前記位置を突きとめる両ステップが、前記データベースをホストするコ ンピュータにおいて実行される、請求項47に記載の方法。 49.第1の前記位置を突きとめるステップは、 アドレスのサブリストを隔離するサブステップと、 前記サブリスト内で前記好ましい配信サイトを選択するサブステップと を含む、請求項46に記載の方法。 50.前記選択するステップが前記ユーザ端末において実行される、請求項4 9に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US08/878,385 US6112239A (en) | 1997-06-18 | 1997-06-18 | System and method for server-side optimization of data delivery on a distributed computer network |
US08/878,385 | 1997-06-18 | ||
PCT/US1998/012784 WO1998058315A1 (en) | 1997-06-18 | 1998-06-16 | System and method for server-side optimization of data delivery on a distributed computer network |
Publications (2)
Publication Number | Publication Date |
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JP2002506543A true JP2002506543A (ja) | 2002-02-26 |
JP4968975B2 JP4968975B2 (ja) | 2012-07-04 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP50484999A Expired - Lifetime JP4968975B2 (ja) | 1997-06-18 | 1998-06-16 | 分散型コンピュータネットワークにおけるコンテンツ配信方法 |
Country Status (8)
Country | Link |
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US (4) | US6112239A (ja) |
EP (1) | EP0990205B1 (ja) |
JP (1) | JP4968975B2 (ja) |
CN (1) | CN1109298C (ja) |
AU (1) | AU8153998A (ja) |
CA (1) | CA2294149A1 (ja) |
DE (1) | DE69835674T2 (ja) |
WO (1) | WO1998058315A1 (ja) |
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JP2002540677A (ja) * | 1999-03-23 | 2002-11-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | データネットワークの負荷管理 |
JP2003515845A (ja) * | 1999-12-03 | 2003-05-07 | 松下電器産業株式会社 | コンテンツ配信システム、レファレンスサーバ |
JP2003522360A (ja) * | 2000-02-04 | 2003-07-22 | リスン・コム・インコーポレーテッド | 分散型メディアネットワーク及びメタデータサーバを含んだシステム |
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CN1109298C (zh) | 2003-05-21 |
WO1998058315A9 (en) | 1999-04-08 |
US6799221B1 (en) | 2004-09-28 |
CA2294149A1 (en) | 1998-12-23 |
EP0990205B1 (en) | 2006-08-23 |
JP4968975B2 (ja) | 2012-07-04 |
US20080201488A1 (en) | 2008-08-21 |
DE69835674T2 (de) | 2006-12-28 |
US6112239A (en) | 2000-08-29 |
EP0990205A1 (en) | 2000-04-05 |
US20050063401A1 (en) | 2005-03-24 |
WO1998058315A1 (en) | 1998-12-23 |
AU8153998A (en) | 1999-01-04 |
CN1264476A (zh) | 2000-08-23 |
DE69835674D1 (de) | 2006-10-05 |
US7366793B2 (en) | 2008-04-29 |
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