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Entries for 'Hamish'

articleirulesbig-ipdevnewstechtipv4 March 04, 2011 by Hamish
Designing for Fine Grained Control and Monitor in a Load Balanced Environment – Gathering Information If you haven’t read Dynamic Intelligent Application Delivery Part 1, start there first, as this is not a standalone article and won’t make much sense without proper context.  All caught up now?  Splendid!  We use separate apps and a number of protocols to gather information from both the load balancing devices (F5 BigIP) and pool members (SunONE Directory) to aid in the dispatchi...
articlenewstechtip September 21, 2010 by Hamish
Designing for fine grained control and monitoring in a load balanced environment – Part I – An initial simple approach The Reason to Control In many environments, scaling the service has typically been the answer toward keeping response times down as load grows ever larger. However there becomes a point when simply scaling the service sideways reaches the point where the overheads become significant. Especially in a financial industry situation where you may have 1 or even 2 dark sites on idle...
So now that we've got a vLTM installed and running, what can we do with it... There's a lot of examples out there of perl, python and Java. But not a lot of C...   I've also got an iPhone... Sadly we can't use my favourite SOAP programming language on the iPhone. In case you're wondering that's perl. Why perl? Well, mainly I'm a bit lazy, and perl does everything for you... Obviously you're more productive when that's the case, and the SOAP::Lite module has spoiled me for years I'm afraid...