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Re: [lwip-users] RIP and OSPF support

From: Wendel Assis
Subject: Re: [lwip-users] RIP and OSPF support
Date: Wed, 3 Sep 2014 17:07:08 -0300

Hi Sergio,

   thanks for the reply, you are probably talking about the LWIP_HOOK_IP4_ROUTE and this sounds like a "yes" to my first question! We do have to implement our own stack per a customer requirement (even though it will be running on top of a Linux OS, they have their reasons for that, but running a stack in user space is something really odd). Nevertheless, your point about resource usage for the routing algorithms is something I will bring up to their attention, thanks a lot!

Best Regards,

2014-09-03 15:46 GMT-03:00 Sergio R. Caprile <address@hidden>:
There is a thread on a guy needing something like source routing last
month, in which Simon discussed some hooks to provide routing.
As far as I can see, you are better off using embedded Linux. Even
though nothing forbids you from runnig RIP or OSPF on top of lwIP and
build a routing table and routing hooks, my (probably educated) guess is
that the amount of resources you'll need to run the Dijkstra algorithm
in OSPF (which depends on the size of the visible network) will probably
justify the usage of something closer to a full-blown OS.

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