JP2002504285A - 仮想専用網を実現する装置 - Google Patents
仮想専用網を実現する装置Info
- Publication number
- JP2002504285A JP2002504285A JP50324399A JP50324399A JP2002504285A JP 2002504285 A JP2002504285 A JP 2002504285A JP 50324399 A JP50324399 A JP 50324399A JP 50324399 A JP50324399 A JP 50324399A JP 2002504285 A JP2002504285 A JP 2002504285A
- Authority
- JP
- Japan
- Prior art keywords
- virtual private
- network
- data
- private network
- members
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
-
- 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
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0272—Virtual private networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
-
- 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
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
-
- 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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
-
- 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
- H04L69/04—Protocols for data compression, e.g. ROHC
-
- 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
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.仮想専用網グループのメンバー同士の間で安全なデータ通信を行う装置で あって、 前記仮想専用網グループのメンバー同士の間でデータパケットを送受信する入 出力回路と、 前記システムの構成要素同士の間でデータを搬送するために前記入出力回路と 通信するシステムバスと、 アウトバウンドデータパケットを圧縮しインバウンドデータパケットを圧縮解 除するために前記システムバスと通信する圧縮エンジンと、 アウトバウンドデータパケットを暗号化しインバウンドデータパケットを解読 するために前記システムと通信する暗号化エンジンと、 前記システムによるデータパケットの処理を制御するために前記システムバス と通信し、前記仮想専用網のメンバー同士の間でどのデータパケットが送信され ているかを判定し、前記仮想専用網の所定のパラメータに従って前記データパケ ット用のデータフローを判定する中央演算処理装置(CPU)と、 前記仮想専用網のメンバーのリストを維持し前記所定のパラメータを記憶する ために前記システムと通信するメモリ装置とを備えることを特徴とする装置。 2.前記入出力回路が、 前記装置をあるサイトの専用網に結合する専用入出力ポートと、 前記装置をある公衆網空間に結合する公衆入出力ポートと、 前記装置と前記仮想専用網の前記メンバーとの間のデータパケットフローを制 御するために、前記システムバスと通信し、かつ前記専用入出力ポートおよび前 記公衆入出力ポートに結合された入出力制御ロジックとを備えることを特徴とす る請求項1に記載の装置。 3.前記CPUが、キー管理プロトコルに従ってアウトバウンドデータパケッ ト用のカプセル化ヘッダを生成することを特徴とする請求項2に記載の装置。 4.前記キー管理プロトコルがインターネットプロトコル用簡単キー管理(S KIP)を含むことを特徴とする請求項3に記載の装置。 5.前記暗号化エンジンが、DES(Data Encryption Standard)暗号化を実 行する専用集積回路を備えることを特徴とする請求項2に記載の装置。 6.前記暗号化エンジンが、前記所定のパラメータに従ってDES暗号化また はトリプルDES暗号化を実行する専用集積回路を備えることを特徴とする請求 項2に記載の装置。 7.前記圧縮エンジンが、LZW(Lempel Ziv Welch)圧縮を実行する集積回 路を備えることを特徴とする請求項1に記載の装置。 8.前記メモリが、前記装置によってサポートされるすべての仮想専用網グル ープと前記グループのメンバーとを識別するルックアップテーブルを含み、前記 メンバーがそれぞれ、ネットワークアドレスによって識別され、単一のネットワ ークアドレスが複数のグループのメンバーを識別できることを特徴とする請求項 1に記載の装置。 9.仮想専用網グループのメンバー同士の間でデータパケットを安全に交換す る装置であって、 第1のサイトにあり、第1のネットワークアドレスを有する第1のコンピュー タと、 前記第1のコンピュータから公衆網を介して発信されたデータパケットをルー ティングするために前記第1のサイトに関連付けられた第1のルータと、 前記ルータと前記公衆網との間に配設され、仮想専用網グループデータトラフ ィックを識別し、前記仮想専用網ユニットによって維持されるパケット操作規則 に従って前記データトラフィックを操作することによって前記データトラフィッ クの安全を確保する第1の仮想専用網ユニットと、 第2のサイトを公衆網に結合するために前記第2のサイトに関連付けられた第 2のルータと、 前記第2のサイトを宛先とするネットワークトラフィックをインタセプト(傍 受)するために前記第2のルータと公衆網との間に配設され、仮想専用網グルー プトラフィックを検出し、オリジナルパケットデータを回復する第2の仮想専用 網ユニットと、 前記第2のサイトにあり、前記パケットデータを受信するために第2のネット ワークアドレスを有する第2のコンピュータとを備え、前記第1および第2の仮 想専用網ユニットがそれぞれ、 前記仮想専用網グループのメンバー同士の間でデータパケットを送受信する入 出力回路と、 前記装置の構成要素同士の間でデータを搬送するために前記入出力回路と通信 するシステムバスと、 アウトバウンドデータパケットを圧縮しインバウンドデータパケットを圧縮解 除するために前記システムバスと通信する圧縮エンジンと、 アウトバウンドデータパケットを暗号化しインバウンドデータパケットを解読 するために前記システムと通信する暗号化エンジンと、 前記装置によるデータパケットの処理を制御するために前記システムバスと通 信し、前記仮想専用網のメンバー同士の間でどのデータパケットが送信されてい るかを判定し、前記仮想専用網の所定のパラメータに従って前記データパケット 用のデータフローを判定する中央演算処理装置(CPU)と、 前記仮想専用網のメンバーのリストを維持し前記所定のパラメータを記憶する ために前記システムと通信するメモリ装置とを備えることを特徴とする装置。 10.前記入出力回路が、 前記装置をあるサイトの専用網に結合する専用入出力ポートと、 前記装置をある公衆網空間に結合する公衆入出力ポートと、 前記装置と前記仮想専用網の前記メンバーとの間のデータパケットフローを制 御するために、前記システムバスと通信し、かつ前記専用入出力ポートおよび前 記公衆入出力ポートに結合された入出力制御ロジックとを備えることを特徴とす る請求項9に記載のシステム。 11.前記CPUが、キー管理プロトコルに従ってアウトバウンドデータパケ ット用のカプセル化ヘッダを生成することを特徴とする請求項10に記載のシス テム。 12.前記キー管理プロトコルがインターネットプロトコル用管理キー管理( SKIP)を含むことを特徴とする請求項11に記載のシステム。 13.前記暗号化エンジンが、DES暗号化を実行する専用集積回路を備える ことを特徴とする請求項10に記載の装置。 14.前記暗号化エンジンが、前記所定のパラメータに従ってDES暗号化ま たはトリプルDES暗号化を実行する専用集積回路を備えることを特徴とする請 求項10に記載のシステム。 15.前記圧縮エンジンが、LZW圧縮を実行する集積回路を備えることを特 徴とする請求項10に記載のシステム。 16.前記メモリが、前記装置によってサポートされるすべての仮想専用網グ ループと前記グループのメンバーとを識別するルックアップテーブルを含み、前 記メンバーがそれぞれ、ネットワークアドレスによって識別され、単一のネット ワークアドレスが複数のグループのメンバーを識別できることを特徴とする請求 項10に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/874,091 US6173399B1 (en) | 1997-06-12 | 1997-06-12 | Apparatus for implementing virtual private networks |
US08/874,091 | 1997-06-12 | ||
PCT/US1998/012226 WO1998057464A1 (en) | 1997-06-12 | 1998-06-11 | An apparatus for implementing virtual private networks |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002504285A true JP2002504285A (ja) | 2002-02-05 |
JP2002504285A5 JP2002504285A5 (ja) | 2005-11-24 |
Family
ID=25362958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50324399A Pending JP2002504285A (ja) | 1997-06-12 | 1998-06-11 | 仮想専用網を実現する装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6173399B1 (ja) |
EP (1) | EP0988736B1 (ja) |
JP (1) | JP2002504285A (ja) |
KR (1) | KR100431956B1 (ja) |
AT (1) | ATE355684T1 (ja) |
AU (1) | AU8068498A (ja) |
CA (1) | CA2293435C (ja) |
DE (1) | DE69837201T2 (ja) |
WO (1) | WO1998057464A1 (ja) |
Cited By (3)
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JP2007271429A (ja) * | 2006-03-31 | 2007-10-18 | Topcon Corp | Rtk−gps測位システム |
JP2012039198A (ja) * | 2010-08-04 | 2012-02-23 | Nec Infrontia Corp | データ圧縮転送システム、伝送装置及びそれらに用いるデータ圧縮転送方法 |
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- 1998-06-11 JP JP50324399A patent/JP2002504285A/ja active Pending
- 1998-06-11 WO PCT/US1998/012226 patent/WO1998057464A1/en active IP Right Grant
- 1998-06-11 DE DE69837201T patent/DE69837201T2/de not_active Expired - Lifetime
- 1998-06-11 AT AT98929021T patent/ATE355684T1/de not_active IP Right Cessation
- 1998-06-11 CA CA002293435A patent/CA2293435C/en not_active Expired - Fee Related
- 1998-06-11 EP EP98929021A patent/EP0988736B1/en not_active Expired - Lifetime
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KR100431956B1 (ko) | 2004-07-16 |
CA2293435C (en) | 2007-03-20 |
US6173399B1 (en) | 2001-01-09 |
WO1998057464A1 (en) | 1998-12-17 |
CA2293435A1 (en) | 1998-12-17 |
KR19990006261A (ko) | 1999-01-25 |
DE69837201T2 (de) | 2007-11-08 |
EP0988736B1 (en) | 2007-02-28 |
EP0988736A1 (en) | 2000-03-29 |
DE69837201D1 (de) | 2007-04-12 |
AU8068498A (en) | 1998-12-30 |
ATE355684T1 (de) | 2006-03-15 |
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