How do we characterize the behaviour for a UI/self-service portal user? A 
single UI screen can result anywhere from 1 to N API requests. Would it not 
lead CloudStack to some inconsistent state? What if the UI configuration spans 
time duration window?

Thanks,
RamG

> -----Original Message-----
> From: Min Chen [mailto:[email protected]]
> Sent: 20 December 2012 00:19  
> To: [email protected]
> Subject: [DISCUSS]API request throttling
> 
> Hi all,
> 
> Currently, the legitimate users of CloudStack can occasionally hammer
> the server with heavy API requests that cause undesirable results, like
> killing the server, performance issues for other CloudStack users.
> Also, it may become a mechanism for certain malicious users to do
> malicious attacks to CloudStack service to cause cloud outage. To
> prevent certain things happen, we would like to introduce  API request
> throttling feature to limit number of APIs that can be placed by each
> account within certain time duration and will block API requests if the
> account is over the limit so that he/she have to retry later. The
> detailed FS can be found at
> https://cwiki.apache.org/confluence/display/CLOUDSTACK/API+Request+Thro
> ttling.
> 
> Please let me know any comments and suggestions.
> 
> Thanks
> -min

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