[MOBY-dev] [moby] question for moby devs/architects regardinguse of DNS

Ed Kawas ed.kawas at gmail.com
Wed Nov 29 18:03:48 UTC 2006


> We run a cron'd script from our server here that tests all 
> services in the registry every hour.  I don't know for 
> certain if this is using LSID resolution as part of that task 
> (Eddie, can you confirm?), but it wouldn't surprise me if 
> that were the case.  
It does not. Pure api (findservice, etc).

> 
> 
> > (2) How popular is LSID? Could services making use of the 
> 'lsid' SVR  
> > record be responsible for lots of DNS traffic? LIke 256+ sessions   
> > from the same IP?
> 
> 
> We are increasingly using the LSID to represent *all* 
> entities in MOBY - datatypes, service types, web service 
> instances, etc.  A tool like Taverna may well be resolving 
> all LSIDs in the MOBY registry each time it starts-up (?), 
> which could account for the traffic.  Other client 
> applications will likely use LSID resolution in the same way 
> in the near future, if they don't already.  Again, the IP 
> address would fairly quickly tell us whether these are 
> "scientists" or "scriptkiddies".  
> 
> Regardless, the use of LSIDs in MOBY is only going to 
> increase over time, so if it is becoming an issue now we 
> should think about how to manage it before it becomes a real 
> problem...
> 
Mark, your gbrowse_moby application uses lsids a lot. However, those requests
would be from a single ip address.

Eddie




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