514 search results - page 47 / 103 » An active security protocol against DoS attacks |
135
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SASN
2006
ACM
15 years 5 months ago
2006
ACM
A great challenge in securing sensor networks is that sensor nodes can be physically compromised. Once a node is compromised, attackers can retrieve secret information (e.g. keys)...
114
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WISEC
2009
ACM
15 years 6 months ago
2009
ACM
In wireless sensor networks, it is critical to restrict the network access only to eligible sensor nodes, while messages from outsiders will not be forwarded in the networks. In t...
106
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COMPSEC
2008
14 years 12 months ago
2008
-- Voice services over Internet Protocol (VoIP) are nowadays much promoted by telecommunication and Internet service providers. However, the utilization of open networks, like the ...
ICNP
2007
IEEE
15 years 6 months ago
2007
IEEE
— While many protocols for sensor network security provide confidentiality for the content of messages, contextual information usually remains exposed. Such information can be c...
MUE
2008
IEEE
15 years 6 months ago
2008
IEEE
Hierarchical wireless sensor networks (WSNs) have been shown to improve system performance, reduce messages redundancy, and economize energy. However, due to the characteristics o...