JP5164123B2 - スループットの向上を実現するシステム及び方法 - Google Patents
スループットの向上を実現するシステム及び方法 Download PDFInfo
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
- H04L1/0035—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter evaluation of received explicit signalling
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
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- H04L1/0041—Arrangements at the transmitter end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
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- H—ELECTRICITY
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- 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
- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0067—Rate matching
- H04L1/0068—Rate matching by puncturing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0072—Error control for data other than payload data, e.g. control data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/009—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location arrangements specific to transmitters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1809—Selective-repeat protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
- H04L12/6418—Hybrid transport
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L2001/0092—Error control systems characterised by the topology of the transmission link
- H04L2001/0097—Relays
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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]
- H04L69/166—IP fragmentation; TCP segmentation
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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
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/326—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the transport layer [OSI layer 4]
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- Computer Networks & Wireless Communication (AREA)
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- Computer Security & Cryptography (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
Description
Claims (7)
- 信頼できないネットワークでのデータ通信を高速化する方法であって、
2つのエンドポイントのそれぞれに関連付けられた符号化コンポーネントを通信に提供するステップと、
前記2つのエンドポイント間の通信セッションのために前記符号化コンポーネント間に符号化されたチャネルを確立するステップと、
前記確立ステップは、
前記2つのエンドポイントのうちの第1のエンドポイントから発生して、前記2つのエンドポイントのうちの他方へ向かうメッセージを検出するステップと、
前記通信セッションを一意的に識別する情報を格納するステップと、
前記格納ステップは、送信元IPアドレス、送信先IPアドレス、パケット内に含まれるプロトコル、及び送信元及び送信先ポートを格納することを含み、
前記第1のエンドポイントが両方の符号化コンポーネントに知られているプロトコルに従ってデータパケットを分割し符号化することが可能であることを示すように、他方のエンドポイントに向けられたメッセージにマークを付けるステップと、
前記マークされたメッセージを前記他方のエンドポイントに転送するステップと、
制御メッセージを交換して、前記符号化コンポーネント間の通信チャネルを確立するステップと、
を含み、
前記符号化コンポーネントのうちの1つで、前記通信に関連するデータパケットを傍受するステップと、
前記データパケットを分割してパッケージ化し、前記他方の符号化コンポーネントへの送信のために前記符号化されたデータセグメントを提供するステップと、
前記提供ステップは、前記データパケットのヘッダを変更して、前記変更したヘッダを前記符号化されたデータセグメントのそれぞれに加えるステップを含み、
前記符号化されたデータセグメントと少なくとも1つの追加の符号化されたセグメントを、前記符号化されたチャネルを通して、前記他方の符号化コンポーネントに送信するステップと、
受信した前記符号化されたデータセグメントに基づいて、前記他方の符号化コンポーネントで、前記データパケットを復号し組み立て直すステップと、
前記他方の符号化コンポーネントからそれぞれのエンドポイントに前記組み立て直されたデータパケットを送信するステップと、
を含む方法。 - リプライにマークを付けるステップは、IPヘッダのオプションを設定するか、又は識別フィールドを既知の値に設定することを含む、請求項1に記載の方法。
- 所定のタイムアウト時間内にさらなるパケットが送信されなければ、前記符号化されたチャネルを解体するステップをさらに含む、請求項1又は請求項2に記載の方法。
- 前記符号化されたチャネルを確立するステップは、
前記メッセージが前記通信セッションに関連し、前記他方のエンドポイントが両方の符号化コンポーネントに知られているプロトコルに従ってデータパケットを分割して符号化することが可能であることを示すようにマークされているかどうかを判別するステップと、
前記符号化コンポーネント間で、通信チャネルを確立するために制御メッセージを送信するステップと、
をさらに含む、請求項1から請求項3のいずれかの請求項に記載の方法。 - 前記通信セッションは、リアルタイム・ストリーミング・プロトコル(RTSP)セッション又はH.323プロトコルセッションである、請求項1から請求項4のいずれかの請求項に記載の方法。
- 前記データパケットを分割してパッケージ化するステップは、動的に調整される符号化レートでデータパケットをデータセグメントに分割することを含み、
前記動的に調整される符号化レートは、
複数の通信セッションのそれぞれについての紛失率を監視するステップと、
各通信セッションの紛失率に従って、平均紛失率を決定するステップと、
前記通信セッションの紛失率と平均紛失率を、前記2つのエンドポイントの他方に伝送して、前記2つのエンドポイントの他方が符号化レートを調整することを許可するステップと、
により決定される、請求項1から請求項5のいずれかの請求項に記載の方法。 - 前記ヘッダを変更するステップは、TCPヘッダのシーケンス番号、TCPヘッダフラグ、又はTCPヘッダの緊急ポインタを変更することを含む、請求項1から請求項6のいずれかの請求項に記載の方法。
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US12/193,345 US8009696B2 (en) | 2004-08-06 | 2008-08-18 | System and method for achieving accelerated throughput |
US12/193,345 | 2008-08-18 |
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JP2010063094A JP2010063094A (ja) | 2010-03-18 |
JP5164123B2 true JP5164123B2 (ja) | 2013-03-13 |
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JP2009189263A Expired - Fee Related JP5164123B2 (ja) | 2008-08-18 | 2009-08-18 | スループットの向上を実現するシステム及び方法 |
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US (6) | US8009696B2 (ja) |
EP (3) | EP2658191A1 (ja) |
JP (1) | JP5164123B2 (ja) |
KR (1) | KR101649374B1 (ja) |
CA (1) | CA2675866A1 (ja) |
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KR101649374B1 (ko) | 2016-08-19 |
EP2658191A1 (en) | 2013-10-30 |
US9379913B2 (en) | 2016-06-28 |
KR20100021990A (ko) | 2010-02-26 |
EP2157749A1 (en) | 2010-02-24 |
US20150236813A1 (en) | 2015-08-20 |
JP2010063094A (ja) | 2010-03-18 |
US9893836B2 (en) | 2018-02-13 |
EP2528289A1 (en) | 2012-11-28 |
US8548003B2 (en) | 2013-10-01 |
US20080304483A1 (en) | 2008-12-11 |
US8009696B2 (en) | 2011-08-30 |
US20100272122A1 (en) | 2010-10-28 |
EP2157749B1 (en) | 2012-10-10 |
US20120213232A1 (en) | 2012-08-23 |
CA2675866A1 (en) | 2010-02-18 |
EP2528289B1 (en) | 2014-02-12 |
US20120287806A1 (en) | 2012-11-15 |
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