We present in this paper a decentralized architecture to correlate alerts between cooperative nodes in a secure multicast infrastructure. The purpose of this architecture is to detect and prevent the use of network resources to perform coordinated attacks against third party networks. By means of a cooperative scheme based on message passing, the different nodes of this system will collaborate to detect its participation on a coordinated attack and will react to avoid it. An overview of the implementation of this architecture for GNU/Linux systems will demonstrate the practicability of the system.
In this paper we introduce ARMOLEO, an ARchitecture for MObile LEarning Objects based on our concept of mobile learning objects. This architecture is aimed to allow learners to participate in individual or collaborative learning through simulated or real time authentic activities, supporting situated, personalized and collaborative learning.
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