Naftaly H. Minsky, Victoria Ungureanu, Yaron M. Minsky

Linda is a high-level coordination model that allows agents to interact via shared tuplespaces without knowing each other's identities and without having to arrange for a definite rendezvous. This high level of abstraction would make Linda particularly suitable for use as a coordination model for heterogeneous distributed systems, if it were not for the fact that the Linda communication is unsafe. In order to enhance the safety of tuplespaces, this article introduces a mechanism for establishing security policies that regulate agent access to tuplespaces. This mechanism is based on a previously published concept of law-governed interaction. It makes a strict separation between the formal statement of a policy, which one calls a “law,” and the enforcement of this law, which is carried out by a set of policy-independent trusted controllers. A new policy under this scheme is created basically by formulating its law, and can be easily deployed throughout a distributed system. Two example policies are discussed here in detail: one ensures a secure bidding policy; the other prevents denial of service, by regulating the flow of requests sent to the tuplespaces.

Applied Artificial Intelligence: An International Journal 15(1), pages 11-33, January 2001.
Andrea Omicini, George A. Papadopoulos (eds.), Taylor & Francis
Special Issue: Coordination Models and Languages in AI
Author = {Minsky, Naftaly H. and Ungureanu, Victoria and Minsky, Yaron M.},
Doi = {10.1080/08839510150204590},
Editor = {Omicini, Andrea and Papadopoulos, George A.},
Issn = {0883-9514},
Issn-Online = {1087-6545},
Journal = {Applied Artificial Intelligence: An International Journal},
Month = jan,
Note = {Special Issue: Coordination Models and Languages in {AI}},
Number = 1,
Pages = {11--33},
Publisher = {Taylor \& Francis},
Title = {Safe Tuplespace-based Coordination in Multiagent Systems},
Url = {},
Url-Pdf = {},
Volume = 15,
Year = 2001}



Safe Tuplespace-based Coordination in Multiagent Systems

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Naftaly H. Minsky, Victoria Ungureanu, Yaron M. Minsky

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Andrea Omicini, George A. Papadopoulos

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