[Yeti DNS Discuss] [Yeti DNS Operators] additional dns-traffic

Peter Andreev p.andreev at msk-ix.ru
Mon Sep 14 07:04:54 UTC 2015

Hi everybody,

In order to produce predictable traffic one can set up a resolver and launch resperf utility against it.

> On 14 Sep 2015, at 07:30, Davey(宋林健) <ljsong at biigroup.cn> wrote:
> Hi Dmitriy,
> sorry, I found your mail lying in my junk mailbox, the same case for Shane with BII’s mailbox. 
> I don’t know why. I cc discuss mailing list instead to involve more discussion on this topic.
> I encourage you to do what you proposed and make necessary analysis on 1) whether traffic can spread to 
> other yeti root servers (with certain NS selection algorithm) , 2) observing if there is any problem for the 
> query/response, which can help us to improve our testbed
> I proposed similar idea to reply the DNS traffic from production network to simulate the real 
> query load, because we do not have enough resolvers right now. This will be helpful particular 
> in the beginning of Yeti testbed to enhance its stability and readiness for experiments or production trial.   
> In the f2f yeti meeting last week, we discuss three way to increase the traffic on yeti, 
> 1) resolve from Universities and research region (Like BUPT as a case) 
> 2) replay some real traffics  (as you proposed)
> 3) use some existing experimental tool like Atlas to generate traffic for special experiment;
> Cheers,
> Davey
>> 在 2015年9月8日,23:52,Dmitry Y. Kovalenko <d.kovalenko at msk-ix.ru> 写道:
>> Hi all
>> We have put some additional dns traffic to yeti lab. You can see it on yeti graph for yeti-ns.ix.ru server
>> As I proposed in Prague the scheme is:
>> We tap ipv6 dns-queries from our open resolver in Moscow to our test yeti resolver server.
>> This server uses yeti root environment, does recursion and drops dns-replies to avoid sending duplicates to dns-clients.
>> At the moment our yeti test resolver uses only yeti-ns.ix.ru as a root server, but we can spread traffic to other yeti root servers if it is needed
>> Also I can try to add more traffic by using ipv4 dns-queries and do recursion in ipv6 environment where yeti root servers are. Maybe it would work.
>> What do you think?
>> -- 
>> Kovalenko Dmitrii
>> _______________________________________________
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>> operators at lists.yeti-dns.org
>> http://lists.yeti-dns.org/mailman/listinfo/operators
> ---------------------------
> Davey Song(宋林健)
> BII Lab
> ljsong at biigroup.cn
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Peter Andreev                         MSK-IX/RIPN/TCI
+7 (495) 737-0685                DNS Network Operational Center
+7 (499) 192-9179

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