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Fault tolerance

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Reference Model make use of centralized architectureWhen do we need distributed architecture?
- "If the processes to be automated cross organizational and geographical boundaries and need to integrate many participants over the internet, new decentralized architectures for WfMS are required to avoid bottle-neck".


2000.ieee.Enhancing the Fault Tolerance of Workflow Management Systems.pdf
- Exception handling & replication strategies.
- Hình như replication ở đây chỉ là backup database.
- Many researchers see workflows as the first real application area for advanced transaction models.
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Dynamic workflow modification is also an open research topic. Đó là lúc đó, còn bây giờ thì sao? Thực sự có vấn đề gì cần nghiên cứu ở đây?
Kết hợp Advanced transaction models & Dynamic changes thì sao? Sự kết hợp này không có ý nghĩa: khi dynamic change thì transaction xem như bị hủy bỏ.

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