[Cerowrt-devel] Fwd: [Babel-users] ANNOUNCE: babeld-1.6.0

Dave Taht dave.taht at gmail.com
Tue Apr 14 11:46:15 EDT 2015

It looked to me as if ipv6_subtrees was now a configure option. All
our kernels (since 3.10.12) and most (probably all) distro kernels,
enable ipv6_subtrees.

I am happy to see this code finally merged, as the mainline daemon
also has support for the long-rtt metric extension, and this takes the
current fork of the babeld and babels packages in openwrt and merges
them back together into one. (not clear if that happened yet, I have
only been awake a few minutes).


I hope this summer to be able to explore the "rtt as a routing metric"
idea on shorter rtts in the context of having fq_codel everywhere and
per-sta queues for wifi. It may require higher precision than is
currently obtained in the code (does not use the SO_TIMESTAMP socket
option in particuar) however.

I wrote up the potential benefits of using delay as a metric on this
thread here:


---------- Forwarded message ----------
From: Juliusz Chroboczek <jch at pps.univ-paris-diderot.fr>
Date: Tue, Apr 14, 2015 at 5:21 AM
Subject: [Babel-users] ANNOUNCE: babeld-1.6.0
To: babel-users at lists.alioth.debian.org

Dear all,

I am happy to announce that babeld-1.6.0 is available from


For more information about babeld and the Babel routing protocol, please see


The main news in this version is that source-specific routing is part of
the stock babeld daemon.  This is a large change, and is due to Matthieu
Boutier.  For more information about source-specific routing, please see

  Matthieu Boutier and Juliusz Chroboczek.
  Source-specific routing.
  To appear in Proc. IFIP Networking 2015.


-- Juliusz Chroboczek

Babel-users mailing list
Babel-users at lists.alioth.debian.org

Dave Täht
Open Networking needs **Open Source Hardware**

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