Accountability in Distributed Systems
نویسنده
چکیده
Nodes in distributed systems can become faulty due to multiple reasons: software or hardware bug, node misconfiguration or node being compromised by an attacker. Often such faulty nodes can be difficult to detect and localize. An approach to solve this problem is to hold each node accountable for its actions i.e. each node is required to provide verifiable evidence for its actions and detect a node as faulty if it fails to provide correct evidence. Thus, accountability of nodes can help detect faulty nodes and address
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