iPhone and Network Disruptions ...

Tue Jul 24 20:27:08 UTC 2007

Hank, Warren, & Fellow Nanogers:

Looking at this issue with an *'interoperability lens,'* I remain 
puzzled by a personal observation that at least in the publicized case 
of Duke University's Wi-Fi net being effected, the "ARP storms" did not 
negatively impact network operations UNTIL the presence of iPhones on 
campus.  The nagging point in my mind therefore, is: why have other 
Wi-Fi devices (laptops, HPCs/PDAs, Smartphones etc.,) NOT caused the 
'type' of ARP flooding, which was made visible in Duke's Wi-Fi 
environment?   Why did this issue become MOST prominent with the 
introduction of Apple's iPhone on campus?

In that sense, my *original question* regarding iPhone's 'unique' 
operational circumstance(s) will have/need to be considered. Initial 
analysis tells me that we may not be far into that aspect but, we might 
need to... 

Again, I wish to thank you for the responses.

All my best,
Robert.
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