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Re: 6MAN Adoption call on raft-chakrabarti-nordmark-6man-efficient-nd-04

Mikael Abrahamsson <swmike@swm.pp.se> Thu, 09 January 2014 12:45 UTC

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Date: Thu, 09 Jan 2014 13:45:38 +0100
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Ole Troan <otroan@employees.org>
Subject: Re: 6MAN Adoption call on raft-chakrabarti-nordmark-6man-efficient-nd-04
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On Thu, 9 Jan 2014, Ole Troan wrote:

> a game of whac-a-mole? ;-)
> at least you have a new set of problems that needs to be solved.

Absolutely. My first thinking was to understand if this could be done with 
minimal changes to the clients.

> as Lorenzo stated I believe the external DOS attacks on the ND cache can 
> be mostly mitigated by a good implementation. prioritising the active 
> speakers, rate-limiting the number of request per second, use a circular 
> buffer and so on. it wouldn't be completely unexpected if there was some 
> level of stateful or stateless filtering being done on the borders 
> stopping these forms of attacks either.

Well, that's a different game of whack-a-mole that needs flow state to be 
kept in order to find attacks.

-- 
Mikael Abrahamsson    email: swmike@swm.pp.se

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