inn iiiiiii Hi mi mi i^l^J^J^^I^gf^^J^ ^ ^ ^ ^ ^
(12) United States Patent
Euchner
(io) Patent No.: (45) Date of Patent:
US 7,266,682 B2 Sep. 4, 2007
(56) References Cited
U.S. PATENT DOCUMENTS
4,375,097 A * 2/1983 Ulug 370/400
5,345,507 A * 9/1994 Herzberg et al 380/28
5,602,918 A * 2/1997 Chen et al 713/153
5,917,830 A * 6/1999 Chen et al 370/487
6,061,796 A * 5/2000 Chen et al 726/15
6,158,011 A * 12/2000 Chen et al 726/15
6,229,821 Bl * 5/2001 Bharacha et al 370/471
6,320,869 Bl* 11/2001 Van Driel et al 370/443
6,327,660 Bl * 12/2001 Patel 713/193
6,366,961 Bl * 4/2002 Subbiah et al 709/238
6,396,840 Bl * 5/2002 Rose et al 370/401
6,918,034 Bl * 7/2005 Sengodan et al 713/160
FOREIGN PATENT DOCUMENTS WO 99/11019 3/1999
OTHER PUBLICATIONS
Perkins et al., "RTP Payload for Redundant Audio Data", Network Working Group, Sep. 1997. pp. 1-10*
(Continued)
Primary Examiner—Kambiz Zand
Assistant Examiner—Tongoc Tran
(74) Attorney, Agent, or Firm—Staas & Halsey LLP
OTHER PUBLICATIONS
Http://msdn2 .micro soft, com/en-us/library/ system, security, crypto graphy.hmacshal; 2006.*
Ray Hunt, Internet/Intranet Firewall Security-Policy, Architecture and Transaction Services, Computer Communications, vol. 21, No. 13, Sep. 1998, pp. 1107-1123.
H. Schulzrinne: "RTP: A Transport Protocol for Real-Time Applications; Internet Engineering Task Force", RFC 1889, 1996, pp. 1-75.
D. Harkins, et al., "The Internet Key Exchange (IKE)" Internet
Engineering Task Force, RFC 2409, 1998, pp. 1-41.
S. Kent et al. "Internet Engineering Task Force", RFC 2402, 1998,
pp. 1-22.
S. Kent et al. "Internet Task Force", RFC 2406, 1998, pp. 1-22. Ray Hunt, Internet/Intranet Firewall Security-Policy, Architecture and Transaction Services, Computer Communications, vol. 21, No. 13, Sep. 1998, pp. 1107-1123.
Andrew S. Tanenbaum, "Computer-Netzwerke", Wolfram's Fachverlag, Attenkirchen 1992, pp. 17-32.
Christoph Ruland, "Informationssicherheit in Datennetzen",
DATACOM-VERLAG, Bergheim 1993, pp. 61-63 and 68-79.
H. Schulzrinne: "RTP: A Transport Protocol for Real-Time Appli-
cations; Internet Engineering Task Force", RFC1889, 1996, pp.
1-75.
D. Harkins, et al., "The Internet Key Exchange (IKE)" Internet
Engineering Task Force, RFC 2409, 1998, pp. 1-41.
S. Kent et al. "Internet Engineering Task Force", RFC 2402, 1998,
pp. 1-22.
S. Kent et al. "Internet Task Force", RFC 2406, 1998, pp. 1-22.
|
