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Rhizome Research Log
May May 23rd - May 26th Catching up on school work More reading + notes in [[thoughts/decentralization|decentralization]], [[thoughts/authorization|authorization]], and [[thoughts/federation|federation]]....
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Distributed Systems
A distributed system can be defined as multiple computers (nodes) communicating via a network trying to achieve some task together....
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Quorum
Read/Write Quorum In a system with $n$ replicas, we can ensure [[thoughts/consistency|consistent]]...
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Message broadcast
Ordering Total order broadcast Globally consistent broadcast, agreement from all nodes (hard but can be done with consensus algorithms like [[thoughts/Raft Consensus Algorithm|Raft]]!...
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Idempotence
How do we avoid cases where losing an ACK could lead to users doing an action multiple times (e....
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Consistency
Definitions ACID Consistency The state satisfies application-specific invariants (e.g. every course with students enrolled must have at least one lecturer)...
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System model
How do we capture assumptions in a system model for [[thoughts/distributed systems|distributed systems?...
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RPC
RPC: Remote Procedure Call Sometimes called a remote function call, it is a call to a function whose implementation is on another node....
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Replication
A node that has a copy of the data is called a replica...