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Soft state in publish/subscribe

Zbigniew Jerzak, Christof Fetzer
2009 Proceedings of the Third ACM International Conference on Distributed Event-Based Systems - DEBS '09  
In this paper, we show how to build a soft state content-based publish/subscribe system where the whole state is stored at the edge of the publish/subscribe network, at the entity which is utilizing the  ...  Every node in a distributed publish/subscribe system stores a significant amount of routing state which can be easily corrupted due to message omissions, link and node failures.  ...  SYSTEM MODEL In this section we summarize the system model in which we implement our soft state publish/subscribe system.  ... 
doi:10.1145/1619258.1619281 dblp:conf/debs/JerzakF09 fatcat:6i3e2inct5ffjg2jklilygjuoi

HSIENA: A Hybrid Publish/Subscribe System [chapter]

Fabio Petroni, Leonardo Querzoni
2012 Lecture Notes in Computer Science  
The SIENA publish/subscribe system represents a prototypical design for a distributed event notification service implementing the content-based publish/subscribe communication paradigm.  ...  This problem limits the applicability of SIENA in large complex critical infrastructures where self-adaptation and -configuration are crucial requirements.  ...  Among these we can cite XSIENA [10] that adopts a strategy based on soft-state and lease timeouts to maintain up-to-date routing information within the system and thus tolerate possible reconfigurations  ... 
doi:10.1007/978-3-642-33675-1_25 fatcat:udxynpezjjfvrbltdrbyqn6h6a


Zbigniew Jerzak, Christof Fetzer
2008 Proceedings of the second international conference on Distributed event-based systems - DEBS '08  
BFSiena is a content-based, publish/subscribe communication system which provides support for arbitrary predicate based messaging in the acyclic peer to peer networks.  ...  In this paper we present the BFSiena: a communication substrate for the StreamMine.  ...  The only difference to [5] is that XSiena brokers are designed using a hard-state and not soft-state approach.  ... 
doi:10.1145/1385989.1386032 dblp:conf/debs/JerzakF08a fatcat:obzgw7voqjf7hixerr6trkxktu