IEEE 802.11 Distributed Coordination Function (DCF) guarantees fair transmission opportunity to stations. Channel occupation of low rate stations in IEEE 802.11 Wireless Local Area...
If multicast communication appears as the most efficient way to send data to a group of participants, it presents also more vulnerabilities to attacks and requires services such as...
Large scale web caches are in fact localized sources of web contents. Besides replacement policies, which decide the contents of a cache, the management of such contents is an iss...
— We consider challenges associated with application domains in which a large number of distributed, networked sensors must perform a sensing task repeatedly over time. We addres...
The Internet has evolved from an information space to a market space with thousands of electronic storefronts, auctions and other commercial services. This market space is not with...
Rosane Maria Martins, Magali Ribeiro Chaves, Luci ...