[Babel-users] Bable vs Linux Mesh mode.

Dave Taht dave.taht at gmail.com
Wed Nov 19 19:07:41 UTC 2014


On Wed, Nov 19, 2014 at 10:53 AM, The Doctor <drwho at virtadpt.net> wrote:
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> On 11/19/2014 09:07 AM, Dave Taht wrote:
>
>>> Because it works at the network layer, Babel is not entirely
>>> transparent -- DHCP, IPv6 autoconf and DNS-SD don't work for
>>> Babel nodes.  That's why we need AHCP or HNCP, and DNS-SD
>>> proxies.
>> Um, er. "Doesn't work?"
>
> Agreed.  That assertion is incorrect.  We had DHCP and DNS-SD working
> quite well on Babel meshes.  DNS-SD proxies were not required, nor was
> any software other than a correctly configured copy of dnsmasq.
>
>> Juliusz: I think what you are thinking about is on meshy (ad-hoc)
>> p2p wifi networks,
>
> Nope, worked for that pretty well, too..  The only reason Project
> Byzantium migrated to OLSRd was because we needed interoperability
> with Commotion Wireless in a hurry after Hurricane Sandy.

So I am confused. Both commotion and byzantium are currently olsrd based?

v1? v2?

How would you compare the two routing protocols advantages and
disadvantages?

>> This is easy - if you are using isc dhcp you just disable fetching
>> the dhcp routing parameter in /etc/dhcp/dhclient.conf,  on openwrt,
>> on dhcp enabled nodes, you put in a defaultroute 0 for that
>> network stanza.
>
> ISC DHCP is overkill for a network like this, though.  It certainly
> puts more of a strain on the mesh nodes themselves.

Yes, but in this case I was connecting an ubuntu client to the mesh,
which defaults to isc dhclient
>> I do this all the time.... it is maddening that things like
>> NetworkManager insist on thinking I only want one interface up at
>> a time, however, so I end up doing stuff in
>> /etc/network/interfaces
>
> NetworkManager... <sigh>

It could be improved. I would like it to have an always connect to
everything mode, certainly. And for it to work well with adhoc,
HNCP, etc.


> - --
> The Doctor [412/724/301/703] [ZS]
> Developer, Project Byzantium: http://project-byzantium.org/
>
> PGP: 0x807B17C1 / 7960 1CDC 85C9 0B63 8D9F  DD89 3BD8 FF2B 807B 17C1
> WWW: https://drwho.virtadpt.net/
>
> *keytar solo!* *storms offstage...*
>
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-- 
Dave Täht

http://www.bufferbloat.net/projects/bloat/wiki/Upcoming_Talks



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