Non-disruptive authentication administration

Details Non-disruptive authentication administration Non-disruptive authentication administration

2007-09-04

2007-09-04

Zia, Syed A. (Department: 2131)

Cryptography

Key management

Key distribution

C380S277000, C380S283000, C713S171000, C726S004000, C726S021000

Reexamination Certificate

active

10246009

ABSTRACT:
A configurable timer may be used for seamless authentication administration. A network administrator may set the timer value. Then the network administrator may begin to update the authentication configuration or key and the timer may begin to count down. While the timer counts down, the network device may still send outgoing packets using the old authentication configuration or key and may begin to authenticate incoming packets using both the old authentication configuration or key and the new authentication configuration or key. Once it expires, the network device may begin to send outgoing packets using just the new authentication configuration or key. The counter may then be reset and counted down again. Once the counter expires a second time, the new authentication configuration or key may be used for both incoming and outgoing packets. Two-timer implementations are also possible.

REFERENCES:
patent: 6295361 (2001-09-01), Kadansky et al.
patent: 6950522 (2005-09-01), Mitchell et al.
patent: 2005/0108576 (2005-05-01), Munshi
“Foundry Switch and Router Installation and Configuration Guide”,Foundry Networks,Chapter 17, pp. 17-1-17-50, Sep. 2000.
“OSPF Design Guide”,Cisco—OSPF Design Guide—Section I, pp. 1-17, Sep. 2002, http://www.cisco.com/warp/public/104/2.html.

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