Lee-Sub Lee1, Soo-Hyun Park2, and Doo-Kwon Paik1
Korea University, Kookmin University
emails: pewkys@daelim.ac.kr, eesub@software.korea.ac.kr,
shpark21@kookmin.ac.kr, and baik@software.korea.ac.kr
This paper proposes the PeerFlow that is a P2P based workflow enactment model, to provide workflow functions for the next generation Internet services. To apply P2P model to the workflow enactment model, we introduce the concept of the instance buddy and the index data of workflow instances, then propose the principle architecture of the PeerFlow. The instance buddy enables the autonomous processing of peers, and it is used for recovery and monitoring functions. This paper also presents the recovery capabilities of PeerFlow with formal proofs for the reliability issues. Even if this model consist of index server and peers, according to the aspect of data there should be various considerations made about security. We will propose security model which adapts existing security standards. And consider the security requirements such as identification, authentication, integrity, confidentiality, auditing, and non-repudiation for the index data, actual workitems, and organizational data. This model could be a good reference to other collaboration model for internet services.