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Calculating the Size of the Queue in Router X

Suppose I have a network with the following topology where each link has the following bit-rates and propagation delays (in a single direction). ...
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1answer
31 views

Route planning for a car driver picking up people using public transport

We just had an interesting though for a routing algorithm for people carpooling. Imagine the following situation: Person 1 is driving with his car from the south of city A to city B far in the north. ...
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30 views

Best route around confirmed appts - Traveling Salesman Problem

First, I am not a programmer, but an end user. We are trying to come up with a solution to a TSP issue that is causing us SIGNIFICANT time being wasted "manually" routing. Here is the issue. We ...
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38 views

Listing all possible train routes [closed]

I'm interested whether there is the standard solution to the following problem. Some number of train routes is given: Route1: First City -> Next City -> ... -> Last City Route2: ... ... We need to ...
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1answer
56 views

Unsplittable flow in capacitated networks

I have an undirected network with capacitated links/edges. Between some nodes unsplittable traffic has to be routed. All demands and capacities are known, but it is uncertain if all flows can be ...
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2answers
67 views

Bellman–Ford negative path meaning

In the Bellman–Ford algorithm, what is the practical meaning of having a negative path between routers? I have tried searching the net but didn't find any data thanks Eli
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75 views

Optimal vehicle routing on map

Currently I am developing a piece of software that solves the vehicle routing problem. The task is the following: I have several vehicles along the town I have lots of destination points along the ...
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1answer
41 views

How can one come up with reasonable IP subnet allocations?

An ISP has following chunk of CIDR-based IP addresses available with it: 245.248.128.0/20 The ISP wants to give half of this chunk addresses to Organization A, and ...
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38 views

Buffering packets vs. low latency routing [closed]

I am considering strategies to compare the performance of routers with buffers vs. their lower latency counterparts in a simple network setting (N clients communicating with each other randomly ...
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1answer
1k views

Destination-based vs source-based routing

I understand that destination-based routing builds the "route" from the destination backwards to the source (e.g. if using a spanning tree, then the tree is routed at the destination). With ...
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0answers
255 views

Time complexity 2-opt method

I'm doing a practice test for a course on routing problems. There's a question asking to infere the time complexity of the 2-opt method. I can see that the complexity per iteration is in $O(n^2)$ ...
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1answer
230 views

Simple routing table question

I'm having difficulties understanding the solution to the following question: Consider the following description of a LAN: The main Internet connection is connected to our gateway router. ...