Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular node for directing data and applying cryptography
Reexamination Certificate
2011-01-25
2011-01-25
Smithers, Matthew B (Department: 2437)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular node for directing data and applying cryptography
C380S273000, C713S168000, C726S015000
Reexamination Certificate
active
07877596
ABSTRACT:
A recursive verification protocol to reduce the time variance due to delays in the network by putting the subject node at most one hop from the verifier node provides for an efficient manner to test wireless sensor nodes. Since the software signatures are time based, recursive testing will give a much cleaner signal for positive verification of the software running on any one node in the sensor network. In this protocol, the main verifier checks its neighbor, who in turn checks its neighbor, and continuing this process until all nodes have been verified. This ensures minimum time delays for the software verification. Should a node fail the test, the software verification downstream is halted until an alternative path (one not including the failed node) is found. Utilizing techniques well known in the art, having a node tested twice, or not at all, can be avoided.
REFERENCES:
Jyh-Cheng and Tao Zhang, “IP-Based Next Generation Wireless Networks, Systems, Architectures and Protocols”, John Wiley and Sons, 2004, pp. 327-336.
3rd Generation Partnership Project 2 (3GPP2): “All-IP Core Network Multimedia Domain, IP Multimedia Call Control Protocol Based on SIP and STP Stage 3”, Version 2.0, Jul. 2005, pp. 44-52 and 82.
Foo Kune Denis
Mahadevan Karthikeyan
Callahan Paul
Fredrick Kris T.
Honeywell International , Inc.
Lopez Kermit D.
Ortiz Luis M.
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