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A comment on Show HN: Valhalla, an open source routing engine.

Re:Show HN: Valhalla, an open source routing engine by jakobdabo on Thursday June 04, 2015 @04:10PM (#9661709)
How does this compare to Project OSRM [1]?

[1] https://github.com/Project-OSRM/osrm-backend

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Re:Show HN: Valhalla, an open source routing engine by alpensiedler on Thursday June 04, 2015 @04:14PM (#9661740)
this blog post explains some of the major differences in the two architectures: https://mapzen.com/blog/valhalla-why_tiles
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Re:Show HN: Valhalla, an open source routing engine by glennon on Thursday June 04, 2015 @05:14PM (#9662109)
The OSRM routing engine appears to focus on contraction hierarchies; is that also the case for Valhalla? http://en.wikipedia.org/wiki/Contraction_hierarchies
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