JP2005184846A - 接続管理システムおよびトランスポートオフロードエンジン - Google Patents
接続管理システムおよびトランスポートオフロードエンジン Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/40—Network security protocols
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1441—Countermeasures against malicious traffic
- H04L63/1458—Denial of Service
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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]
- H04L69/163—In-band adaptation of TCP data exchange; In-band control procedures
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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
ネットワーク過負荷の問題を避ける様式でネットワーク接続試行を管理するより有効な技法を提供すること。
【解決手段】
本発明は、ネットワーク接続を確立するための方法であって:ネットワーク上の接続を確立するための試行を識別する工程;および該接続に関連するデータを記憶するためのメモリの部分を割り当てる工程、を包含する、方法を提供する。メモリ過負荷の派生を避けながらネットワーク接続を確立するためのオフロードサブシステムであって:ネットワーク上の接続を確立する試行を識別し、かつ該接続と関連するデータを記憶するためのメモリの部分を割り当てるためのオフロードエンジンを備え、ここで、該メモリの部分が、該メモリの過負荷をされるために上書きされる、オフロードサブシステムもまた提供される。
【選択図】 図2
Description
本発明は、ネットワーク通信を管理すること、そしてより詳細には、ネットワーク接続管理に関する。
先行技術の図1は、先行技術によってネットワーク通信が確立される方法100を示す。種々のプロトコル(TCPなど)を利用するネットワーク通信(例えば、インターネット通信など)は、しばしば、接続を確立するための努力で開始される。
ネットワーク接続を確立するためのシステムおよび方法が提供される。最初に、ネットワーク上の接続を確立するための試行が識別される。次いで、メモリの一部分が、この接続に関連するデータを記憶するために割り当てられる。
ネットワーク上の接続を確立するための試行を識別する工程;および
上記接続に関連するデータを記憶するためのメモリの部分を割り当てる工程、を包含する、方法。
ネットワーク上の接続を確立する試行を識別し、かつ上記接続と関連するデータを記憶するためのメモリの部分を割り当てるためのオフロードエンジンを備え、
ここで、上記メモリの部分が、上記メモリの過負荷をされるために上書きされる、オフロードサブシステム。
プロセッサ;
バスを経由して上記プロセッサおよびネットワークと通信するオフロードエンジンであって、上記ネットワーク上の接続を確立する試行を識別し、かつ上記接続と関連するデータを記憶するためのメモリの部分を割り当てるためのオフロードエンジン;を備え、
ここで、上記メモリの部分が、上記メモリの過負荷をされるために上書きされる、システム。
図2は、1つの実施形態による、ネットワークシステム200を示す。示されるようにネットワーク202が提供される。本発明のネットワークシステム200の文脈では、ネットワーク202は、制限されないで、ローカルエリアネットワーク(LAN)、インターネットのようなワイドエリアネットワーク(WAN)などを含む任意の形態をとり得る。
ネットワーク接続を確立するためのシステムおよび方法が提供される。最初、ネットワーク上の接続を確立するための試行が識別される。メモリの一部分が、次に、この接続に関連するデータを記憶するために割り当てられる。
Claims (22)
- ネットワーク接続を確立するための方法であって:
ネットワーク上の接続を確立するための試行を識別する工程;および
該接続に関連するデータを記憶するためのメモリの部分を割り当てる工程、を包含する、方法。 - 請求項1に記載の方法であって、接続を確立するための第2の試行が先の試行と関連する少なくとも1つの局面を有する場合に、前記メモリの部分がメモリ過負荷を避けるために上書きされる、方法。
- 前記ネットワーク上の接続を確立するための各々の試行が、パケットを識別することにより実施される、請求項2に記載の方法。
- 前記パケットが、同期パケットである、請求項3に記載の方法。
- 前記パケットにパケット受取りで応答する工程をさらに包含する、請求項3に記載の方法。
- 前記ネットワーク上の接続を確立するための試行と関連する各パケットと関連するハシュを生成する工程をさらに包含する、請求項3に記載の方法。
- 前記ハシュが、接続を確立するための次の試行が、先の試行と関連する少なくとも1つの局面を有するか否かを決定するために利用される、請求項6に記載の方法。
- 前記少なくとも1つの局面が、IPアドレスを含む、請求項7に記載の方法。
- 前記少なくとも1つの局面が、TCPポートを含む、請求項7に記載の方法。
- 前記ハシュが前記メモリの部分に記憶されたデータへのポインタとして供され、そして該データがコントロールブロックを含む、請求項7に記載の方法。
- 接続試行と関連する複数のコントロールブロックが、オープン接続と関連する複数のコントロールブロックに対してサイズがより小さい、請求項10に記載の方法。
- 前記コントロールブロックが、ハンドル、IPアドレス、TCPポート、およびタイムスタンプを含む、請求項10に記載の方法。
- 前記メモリが、接続試行と関連するデータのために割り当てられる第1のメモリを含む、請求項1に記載の方法。
- 前記第1のメモリから論理的に分離された第2のメモリが、オープン接続と関連するデータのために割り当てられ、前記第1のメモリの過負荷が前記オープン接続に影響しない、請求項13に記載の方法。
- 前記第2のメモリが、前記第1のメモリが割り当てられる第1のタイプのコントロールブロックに対してサイズがより大きい第2のタイプのコントロールブロックに対し割り当てられる、請求項14に記載の方法。
- 前記接続試行のハンドシェイク受取りの受信に際し、前記メモリの部分の割り当てを解く工程をさらに包含する、請求項1に記載の方法。
- 前記接続試行が成功する際に、オープン接続のために別のメモリ部分を割り当てる工程をさらに包含する、請求項16に記載の方法。
- 前記メモリ過負荷が、サービス否認アタックから生じる、請求項2に記載の方法。
- 前記ネットワーク上の接続を確立する各試行が、プロセッサに同期パケットを送信することにより処理され、該同期パケットが受取りされるか否かを決定する、請求項1に記載の方法。
- 前記ネットワーク上の接続を確立する各試行が、オフロードエンジンを利用することにより処理され、同期パケットが受取りされるか否かを決定する、請求項1に記載の方法。
- メモリ過負荷の派生を避けながらネットワーク接続を確立するためのオフロードサブシステムであって:
ネットワーク上の接続を確立する試行を識別し、かつ該接続と関連するデータを記憶するためのメモリの部分を割り当てるためのオフロードエンジンを備え、
ここで、該メモリの部分が、該メモリの過負荷をされるために上書きされる、オフロードサブシステム。 - メモリ過負荷の問題を避けながらネットワーク接続を確立するためのシステムであって:
プロセッサ;
バスを経由して該プロセッサおよびネットワークと通信するオフロードエンジンであって、該ネットワーク上の接続を確立する試行を識別し、かつ該接続と関連するデータを記憶するためのメモリの部分を割り当てるためのオフロードエンジン;を備え、
ここで、該メモリの部分が、該メモリの過負荷をされるために上書きされる、システム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US10/742,358 US7899913B2 (en) | 2003-12-19 | 2003-12-19 | Connection management system and method for a transport offload engine |
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JP2005184846A true JP2005184846A (ja) | 2005-07-07 |
JP4575137B2 JP4575137B2 (ja) | 2010-11-04 |
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Application Number | Title | Priority Date | Filing Date |
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JP2004368520A Active JP4575137B2 (ja) | 2003-12-19 | 2004-12-20 | 接続管理システムおよびトランスポートオフロードエンジン |
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Country | Link |
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US (2) | US7899913B2 (ja) |
EP (1) | EP1545089B1 (ja) |
JP (1) | JP4575137B2 (ja) |
CN (1) | CN1638343A (ja) |
AT (1) | ATE372019T1 (ja) |
DE (1) | DE602004008563T2 (ja) |
TW (1) | TWI384802B (ja) |
Cited By (1)
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JP2015177261A (ja) * | 2014-03-13 | 2015-10-05 | 株式会社東芝 | 通信装置、情報処理装置、通信方法及び通信プログラム |
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US7899913B2 (en) | 2003-12-19 | 2011-03-01 | Nvidia Corporation | Connection management system and method for a transport offload engine |
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US7979526B2 (en) | 2011-07-12 |
US20050138180A1 (en) | 2005-06-23 |
CN1638343A (zh) | 2005-07-13 |
TW200531470A (en) | 2005-09-16 |
DE602004008563D1 (de) | 2007-10-11 |
US20100106840A1 (en) | 2010-04-29 |
TWI384802B (zh) | 2013-02-01 |
ATE372019T1 (de) | 2007-09-15 |
EP1545089A1 (en) | 2005-06-22 |
JP4575137B2 (ja) | 2010-11-04 |
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EP1545089B1 (en) | 2007-08-29 |
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