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Questions tagged [message-passing]

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Message Passing Algorithm and Implementation

I have a tree T with N nodes (Min-Span-Tree of a graph), and what I am gonna do is to calculate for each node Vi, the number of ...
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1answer
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Are there existing extensions to behavior trees that fascilitate node communication?

I've been looking into behavior trees, but I cannot find a lot about them. The Wikipedia page pretty much only mentions sequence and selector nodes. I have found implementations that also provide ...
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Are Synchronous Message Order and Total Message Order separate concepts?

I am currently studying this book on distributed systems. In the chapter on message ordering the authors appear to use the term total message ordering and synchronous message ordering interchangeably. ...
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N-Dimensional method lookup: sender vs context

So, there is an idea about multi-dimensional behaviour selectors that goes like follows (based on paper by R.Hirschfeld and P.Costanza : "Context oriented programming"): "selector": in 1D lookup we ...
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1answer
46 views

Are synchronous message sends a subset of async. ones?

Imagine any object oriented PL based around the idea of message sends: some method basically performs something like this: ...
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58 views

Communication senario: A sends to B or B sends to A

Consider processes A and B and the situation where either A will send a message to B or B will send a message to A. Is there a standard algorithm for this scenario that makes sure that exactly one of ...
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Optimal schedule for broadcasting a file in a complete graph with overheads

I am trying to solve the following problem and despite having performed quite extensive literature review, I do not seem to find any similar problem or technique that would be useful here. PROBLEM ...
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1answer
66 views

What mathmatical model shall be used for describing P2P processes interaction?

I am creating a distributed service system. It runs in the cloud on heterogeneous hardware. I am using C# .NET for business logic and C++ for different physics\chemical calculations. Having three ...
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4k views

totally ordered multicast with Lamport timestamp

I'm studying Distributed Systems and synchronization and I didn't catch this solution of totally ordered multicast with Lamport timestamps. I read that it doesn't need ack to deliver a message to the ...
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Differences between the Actor Model and Communicating Sequential Processes (CSP)

When we look at the Actor Model and Communicating Sequential Processes we see that they are both trying to do concurrency based on message passing, yet they are distinct. (We see implementations of ...