DE69210527D1 - Sicherheitsgerät für Ringnetzwerk - Google Patents
Sicherheitsgerät für RingnetzwerkInfo
- Publication number
- DE69210527D1 DE69210527D1 DE69210527T DE69210527T DE69210527D1 DE 69210527 D1 DE69210527 D1 DE 69210527D1 DE 69210527 T DE69210527 T DE 69210527T DE 69210527 T DE69210527 T DE 69210527T DE 69210527 D1 DE69210527 D1 DE 69210527D1
- Authority
- DE
- Germany
- Prior art keywords
- frame
- security unit
- segment
- ring
- network
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/22—Arrangements for preventing the taking of data from a data transmission channel without authorisation
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB919106675A GB9106675D0 (en) | 1991-03-28 | 1991-03-28 | Data networks |
PCT/GB1992/000543 WO1992017960A1 (en) | 1991-03-28 | 1992-03-30 | Security device for ring network |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69210527D1 true DE69210527D1 (de) | 1996-06-13 |
DE69210527T2 DE69210527T2 (de) | 1996-11-21 |
Family
ID=10692383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69210527T Expired - Fee Related DE69210527T2 (de) | 1991-03-28 | 1992-03-30 | Sicherheitsgerät für Ringnetzwerk |
Country Status (11)
Country | Link |
---|---|
US (1) | US6006330A (de) |
EP (1) | EP0536348B1 (de) |
JP (1) | JPH05508277A (de) |
AT (1) | ATE137899T1 (de) |
CA (1) | CA2079479A1 (de) |
DE (1) | DE69210527T2 (de) |
DK (1) | DK0536348T3 (de) |
ES (1) | ES2089510T3 (de) |
GB (1) | GB9106675D0 (de) |
GR (1) | GR3020403T3 (de) |
WO (1) | WO1992017960A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2299000B (en) * | 1995-03-14 | 1999-10-27 | Marconi Gec Ltd | A communications system |
US7037426B2 (en) * | 2000-05-04 | 2006-05-02 | Zenon Environmental Inc. | Immersed membrane apparatus |
US5742603A (en) * | 1995-09-14 | 1998-04-21 | Level One Communications, Inc. | Method and apparatus for integrating repeater management, media access control, and bridging functions |
US5764638A (en) * | 1995-09-14 | 1998-06-09 | Level One Communications, Inc. | Method and apparatus for filtering and forwarding messages in a computer network using a last source address |
US5961646A (en) * | 1997-01-02 | 1999-10-05 | Level One Communications, Inc. | Method and apparatus employing an invalid symbol security jam for communications network security |
US6355886B1 (en) * | 1999-05-21 | 2002-03-12 | Tycom (Us) Inc. | Undersea trunk-and-branch logical ring networks |
US7310670B1 (en) * | 2000-04-25 | 2007-12-18 | Thomson Licensing S.A. | Multi-channel power line exchange protocol |
US20030061389A1 (en) * | 2001-09-26 | 2003-03-27 | Sam Mazza | Multi-token totally ordered group communication protocol |
US7383354B2 (en) * | 2002-02-12 | 2008-06-03 | Fujitsu Limited | Spatial reuse and multi-point interconnection in bridge-interconnected ring networks |
US7570642B2 (en) * | 2002-03-05 | 2009-08-04 | Hewlett-Packard Development Company, L.P. | Method and apparatus for computing, storing, and multiplexing modified bytes in a packet router |
US7564976B2 (en) * | 2004-03-02 | 2009-07-21 | International Business Machines Corporation | System and method for performing security operations on network data |
US8468337B2 (en) * | 2004-03-02 | 2013-06-18 | International Business Machines Corporation | Secure data transfer over a network |
JP2006166232A (ja) * | 2004-12-09 | 2006-06-22 | Oki Electric Ind Co Ltd | ネットワークスイッチ装置及び方法、無線アクセス装置、および、無線ネットワークシステム |
WO2009093237A2 (en) * | 2008-01-21 | 2009-07-30 | Feldman, Moshe | Network interactions management using interest frames and clearance rings |
FR3010783B1 (fr) * | 2013-09-18 | 2017-06-09 | Miceli Design | Arbalete de chasse sous-marine a mecanisme d'armement elastique |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4752924A (en) * | 1985-09-05 | 1988-06-21 | American Telephone And Telegraph Company, At&T Bell Laboratories | Ring packet switch |
US4901348A (en) * | 1985-12-24 | 1990-02-13 | American Telephone And Telegraph Company | Data transmission security arrangement for a plurality of data stations sharing access to a communication network |
US4768190A (en) * | 1986-04-30 | 1988-08-30 | Og Corporation | Packet switching network |
US4980913A (en) * | 1988-04-19 | 1990-12-25 | Vindicator Corporation | Security system network |
US4924460A (en) * | 1988-10-05 | 1990-05-08 | Pacific Bell | Office control unit apparatus for use in a digital network |
US4965804A (en) * | 1989-02-03 | 1990-10-23 | Racal Data Communications Inc. | Key management for encrypted packet based networks |
GB8927623D0 (en) * | 1989-12-06 | 1990-02-07 | Bicc Plc | Repeaters for secure local area networks |
DE4007352A1 (de) * | 1990-03-08 | 1991-09-12 | Siemens Nixdorf Inf Syst | Lokales datenuebertragungsnetzwerk |
US5124984A (en) * | 1990-08-07 | 1992-06-23 | Concord Communications, Inc. | Access controller for local area network |
US5182554A (en) * | 1990-12-18 | 1993-01-26 | International Business Machines Corporation | Third party evavesdropping for bus control |
US5177788A (en) * | 1991-10-15 | 1993-01-05 | Ungermann-Bass, Inc. | Network message security method and apparatus |
US5311593A (en) * | 1992-05-13 | 1994-05-10 | Chipcom Corporation | Security system for a network concentrator |
US5400334A (en) * | 1993-08-10 | 1995-03-21 | Ungermann-Bass, Inc. | Message security on token ring networks |
-
1991
- 1991-03-28 GB GB919106675A patent/GB9106675D0/en active Pending
-
1992
- 1992-03-30 DE DE69210527T patent/DE69210527T2/de not_active Expired - Fee Related
- 1992-03-30 JP JP92506923A patent/JPH05508277A/ja active Pending
- 1992-03-30 ES ES92907275T patent/ES2089510T3/es not_active Expired - Lifetime
- 1992-03-30 AT AT92907275T patent/ATE137899T1/de not_active IP Right Cessation
- 1992-03-30 DK DK92907275.9T patent/DK0536348T3/da active
- 1992-03-30 WO PCT/GB1992/000543 patent/WO1992017960A1/en active IP Right Grant
- 1992-03-30 CA CA002079479A patent/CA2079479A1/en not_active Abandoned
- 1992-03-30 EP EP92907275A patent/EP0536348B1/de not_active Expired - Lifetime
-
1994
- 1994-09-16 US US08/307,472 patent/US6006330A/en not_active Expired - Lifetime
-
1996
- 1996-06-12 GR GR960401578T patent/GR3020403T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
WO1992017960A1 (en) | 1992-10-15 |
GB9106675D0 (en) | 1991-05-15 |
DE69210527T2 (de) | 1996-11-21 |
JPH05508277A (ja) | 1993-11-18 |
EP0536348A1 (de) | 1993-04-14 |
EP0536348B1 (de) | 1996-05-08 |
DK0536348T3 (da) | 1996-05-28 |
ATE137899T1 (de) | 1996-05-15 |
GR3020403T3 (en) | 1996-09-30 |
CA2079479A1 (en) | 1992-09-29 |
ES2089510T3 (es) | 1996-10-01 |
US6006330A (en) | 1999-12-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |