One of the most important issues of the agent security is to keep the agent anonymity, not only in regard of the outsider (eavesdropper) but from the visited hosts too. Indeed, the observer may access agent's data, like the agent's route information data, and thus collecting sensitive information about the agent's owner. In this paper, we present a solution based on mixes to hide the itinerary of the agent. We extend the existing agent based Ajanta platform by adding this functionality. It is then possible to create protected agents capable of roaming in the Internet without revealing their whereabouts information
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