Challenges of Physical Clocks in Distributed Systems
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Questions and Answers

What is a distributed system according to Leslie Lamport?

A distributed system is one in which the failure of a computer you didn’t even know existed can render your own computer unusable.

Explain the concept of limited causality in distributed systems.

Limited causality refers to the challenge where each node in a distributed system has its own clock, making it difficult to establish a global ordering of events.

What are the characteristics of a distributed system with respect to processors?

Autonomous processors/independent processors/independently failing.

Why is the absence of global shared common memory significant in distributed systems?

<p>Distributed systems don't have a central memory space accessible by all processes simultaneously.</p> Signup and view all the answers

What are channels and links in the context of distributed systems?

<p>Channels and links are the communication pathways used for message transmission between processes.</p> Signup and view all the answers

Why do distributed systems often consist of diverse hardware and software components?

<p>Distributed systems often consist of diverse hardware and software components to achieve a common goal.</p> Signup and view all the answers

How do UTC time and leap seconds present challenges in distributed systems?

<p>UTC time and leap seconds pose challenges in maintaining consistent and synchronized time across distributed nodes.</p> Signup and view all the answers

What is the significance of logical clocks in distributed systems?

<p>Logical clocks help establish a partial ordering of events in a distributed system.</p> Signup and view all the answers

What are the implications of consistent time in distributed systems?

<p>Having consistent time is essential for ensuring proper coordination and synchronization of events in distributed systems.</p> Signup and view all the answers

Explain the concept of heterogeneous in the context of distributed systems.

<p>Distributed systems often consist of diverse hardware and software components to achieve a common goal.</p> Signup and view all the answers

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