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Web Services (WS) security has undergone an enormous development, as carried out by the major organizations and consortiums of the industry over the last few years. This has brought about the appearance of a huge number of WS security standards. Such a fact has made organizations remain reticent about adopting technologies based on this paradigm, due to the(More)
During the past years significant standardization work in web services technology has been made. As a consequence of these initial efforts, web services foundational stable specifications have already been delivered. Now, it is time for the industry to standardize and address the security issues that have risen from this paradigm. Great activity is being(More)
Web Services (WS hereafter) Security is a crucial aspect for technologies based on this paradigm to be completely adopted by the industry. As a consequence, a lot of initiativesof initiatives have arisen during the last years setting as their main purpose the standardization of the security factors related to this paradigm. In fact, over the past years, the(More)
— Topology control is the problem of adjusting the transmission parameters, chiefly power, of nodes in a Mobile Ad Hoc Network (MANET) to achieve a desired topology. Over the last several years, this problem has received much attention. Despite this work however, the stability of available techniques has not been studied. This paper presents the first(More)
In our earlier work we have proposed and developed a methodology for the early detection of Distributed Denial of Service (DDoS) attacks. In this paper, we examine the applicability of Proactive Intrusion Detection on a considerably more complex setup , with hosts associated with three clusters, connected by routers. Background TCP, UDP and ICMP traffic(More)