Distributed Systems 3 min read
Lamport’s Algorithm
Lamport’s Distributed Mutual Exclusion Algorithm is a permission based algorithm proposed by Lamport as an illustration of his synchronization scheme for…
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Distributed Systems 3 min read
Mutual exclusion in distributed system
Mutual exclusion is a concurrency control property which is introduced to prevent race conditions. It is the requirement that a process…
General Concepts 5 min read
Shipboard Level Sensors – Types and Theory
Measuring the contents of a tank is a job which most mariners hate to do. For this reason, many gauges…
Distributed Systems 4 min read
Distributed Mutual Exclusion
Process coordination in a multitasking OS – Race condition: several processes access and manipulate the same data concurrently and the outcome of…
General Concepts 7 min read
Firefighting Equipment in Ship’s Engine Room
Ships engine rooms are susceptible to fires and explosions, as well as the engines themselves. However, there is firefighting equipment…
Distributed Systems 3 min read
Logical time and logical clocks
Instead of synchronizing clocks, event ordering can be used If two events occurred at the same process pi (i = 1, 2, … N)…
Distributed Systems 6 min read
Causal ordering
Causal ordering is a vital tool for thinking about distributed systems. Once you understand it, many other concepts become much…
General Concepts 7 min read
Marine Diesel Engines – Assembly, Components Of, and Watchkeeping For
The invention of the diesel engine in 1893 has been attributed to Rudolf Diesel, a German mechanical engineer and inventor.…
Distributed Systems 2 min read
Group communication
A multicast operation is more appropriate – this is an operation that sends a single message from one process to each of the…
Distributed Systems 2 min read
Global Name Service (GNS)
Designed and implemented by Lampson and colleagues at the DEC Systems Research Center (1986) Provide facilities for resource location, email…