JP2014501003A - 遠隔通信ネットワーク・アプリケーションのための、ロックレスでゼロ・コピーのメッセージング・スキーム - Google Patents
遠隔通信ネットワーク・アプリケーションのための、ロックレスでゼロ・コピーのメッセージング・スキーム Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/546—Message passing systems or structures, e.g. queues
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/90—Buffering arrangements
- H04L49/9031—Wraparound memory, e.g. overrun or underrun detection
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/544—Buffers; Shared memory; Pipes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/545—Interprogram communication where tasks reside in different layers, e.g. user- and kernel-space
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
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Abstract
Description
Claims (10)
- コンピュータ実装方法であって、複数の処理コアごとに、
カーネル空間からユーザ空間に(K−U)マッピングされたバッファおよび対応するバッファ記述子を取得するステップと、
データ・パケットを前記バッファに挿入するステップと、
前記バッファ記述子を循環バッファに挿入するステップと
を含む、方法。 - 前記K−Uマッピングされたバッファのポインタを含むフレーム記述子を作成するステップと、
前記フレーム記述子を、IPアドレスをフレーム・キューにマッピングする動的なPCDルールによって指定されたフレーム・キューに挿入するステップと、
前記フレーム記述子からバッファ記述子を作成するステップと
をさらに含む、請求項1に記載の方法。 - 前記データ・パケットがTCPまたはUDPパケットである、請求項1に記載の方法。
- 前記循環バッファは、ユーザ空間内で実行している処理が、前記カーネル内で実行している処理によって作成または処理されたバッファへのロックレスな、ゼロ・コピーのアクセスをすることを可能にする、K−Uマッピングされたバッファ記述子のリングであり、
前記循環バッファは、ユーザ空間内で実行している前記処理が、プロトコル・スタックを使用せずに前記データ・パケットを処理することを可能にする、
請求項3に記載の方法。 - K−Uマッピングされたバッファの前記取得、前記データ・パケットの前記バッファへの挿入、および前記バッファ記述子の前記循環バッファへの前記挿入が、ハードウェア・コンポーネントとともに1つまたは複数のカーネル・スレッドによって実行され、前記方法が、
定期的な間隔でウェークアップするユーザ空間スレッドを実行するステップをさらに含み、
前記ユーザ空間スレッドは、ウェークアップすると、前記循環バッファ内に何らかの未処理のバッファ記述子があるかどうかを決定するために前記循環バッファに問い合わせ、
前記循環バッファ内に未処理のバッファ記述子があることを決定すると、同じまたは異なるユーザ空間スレッドを使用して前記バッファ内の前記データ・パケットを処理する、
請求項1に記載の方法。 - ユーザ空間処理とカーネル空間処理との間のバッファへのロックレスな、ゼロ・コピーのアクセスを提供するための装置であって、
モデム・ボードと、
前記モデム・ボードに取り付けられた複数のプロセッサ・コアを含むマルチコア・プロセッサであって、前記モデム・ボードがカーネル空間とユーザ空間とを含む、マルチコア・プロセッサと、
カーネル空間からユーザ空間に(K−U)マッピングされたバッファ記述子を格納するように適合されたプロセッサ・コアごとの循環バッファと
を備える、装置。 - 前記カーネル空間が、前記カーネル、カーネル拡張、およびデバイス・ドライバを実行するために確保され、
前記ユーザ空間が、ユーザ・モード・アプリケーションが実行されるメモリ領域である、請求項6に記載の装置。 - データ・パケットを受信するためのイーサネット・インターフェースと、
カーネル空間からユーザ空間に(K−U)マッピングされたバッファ、および対応するバッファ記述子を取得するためのバッファ・マネージャと、
受信したデータ・パケットを前記K−Uマッピングされたバッファに挿入して、
前記対応するバッファ記述子を前記循環バッファの待ち行列に入れる
ように適合されたフレーム・マネージャと
をさらに備える、請求項6に記載の装置。 - 前記データ・パケットがTCPまたはUDPパケットである、請求項8に記載の装置。
- 定期的な間隔でウェークアップするように適合されたユーザ空間スレッドをさらに備え、
ウェークアップすると、前記ユーザ・スレッドが、
前記循環バッファ内に何らかの未処理のバッファ記述子があるかどうかを決定するために前記循環バッファに問い合わせ、
前記循環バッファ内に未処理のバッファ記述子があることを決定すると、同じまたは異なるユーザ空間スレッドを使用して前記バッファ内の前記データ・パケットを処理する
ように適合される、
請求項8に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/945,146 | 2010-11-12 | ||
US12/945,146 US8737417B2 (en) | 2010-11-12 | 2010-11-12 | Lock-less and zero copy messaging scheme for telecommunication network applications |
PCT/US2011/056829 WO2012064471A1 (en) | 2010-11-12 | 2011-10-19 | Lock-less and zero copy messaging scheme for telecommunication network applications |
Publications (2)
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JP2014501003A true JP2014501003A (ja) | 2014-01-16 |
JP5726316B2 JP5726316B2 (ja) | 2015-05-27 |
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JP2013538754A Active JP5726316B2 (ja) | 2010-11-12 | 2011-10-19 | 遠隔通信ネットワーク・アプリケーションのための、ロックレスでゼロ・コピーのメッセージング・スキーム |
Country Status (8)
Country | Link |
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US (1) | US8737417B2 (ja) |
EP (1) | EP2638467B1 (ja) |
JP (1) | JP5726316B2 (ja) |
KR (1) | KR101549422B1 (ja) |
CN (1) | CN103210619B (ja) |
ES (1) | ES2848846T3 (ja) |
TW (1) | TWI451339B (ja) |
WO (1) | WO2012064471A1 (ja) |
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