"We are very happy with CACHEBOX. It has helped us save bandwidth for years and we get a lot of value out of the solution"
Vinit Kishnatrey, Shiv Nadar Foundation, India
"We are very pleased with the performance of the CACHEBOX, and overwhelmed with the level of support we receive from your team"
Nick Ventrillo, AEBEA (US Embassy Baghdad, Iraq), Iraq
"CACHEBOX saves us money on bandwidth from the ISP"
Nick Ventrillo, IT Manager, AEBEA (US Embassy Baghdad, Iraq), Iraq
"Bandwidth is extremely important for us, we have such a small pipeline and CACHEBOX has made our lives easier"
Jeremy Roberts, IT section manager, Saint Helena Government, Saint Helena
"I'm serving 6Gb in every 7Gb of data from the CACHEBOX for all our training videos - makes a difference when we have 42Gb ..."
John Holleman, MedAmerica Billing Services, USA

Web Caching Quickly Pays for Itself

Investment in a cache is usually easy to justify:

  • Where bandwidth saving is a key driver and extra bandwidth is moderately expensive or worse, a quick calculation demonstrates the benefit in simple cash terms. Rapid payback often makes it a no-brainer.
  • If user experience is the issue rather than bandwidth per se, then calculating the benefits in money terms is more complicated, but a compelling case based on other measures is often obvious.

Bandwidth savings

Bandwidth savings translate directly into financial benefits as they allow you to a) use less bandwidth on a metered connection, b) delay bandwidth upgrades.

In each case, to calculate savings you’d need to estimate the Hit Rate – the amount of your traffic that you could expect to cache.

Example calculations for each type of Return on Investment are as follows:


metered-bandwidth-savings-graph-smWith metered bandwidth, the calculation is very simple.

Say you use 10Gb per month at a cost of $500 per Gb, so your monthly cost is $5000.

You estimate that 30% of your content is cacheable so:

Savings = $5000 x (30/100) = $1500 per month.

With CACHEBOX, you’d see payback in just a few months and save $18,000 per year thereafter.

Using a cache lets you delay an upgrade to your bandwidth as your traffic grows.

Say you have a 100Mb connection with average peak load of 80% (80Mb) and growth of 60Mb per year. You would run out of bandwidth in 4 months:

60Mb / 12 = 5Mb monthly growth => 4 months to fill the spare 20Mb

Delay-bandwidth-upgrade-graph-smA cache saving of 35% would bring your current peak load down to 52Mb and your growth rate to 39Mb per year. This would keep you under your limit for 15months – an 11 month delay:

  • Year one: 52Mb + 39Mb = 91Mb
  • Year two: 91Mb + 39Mb = 130Mb (capacity reached after 3 months)

If your current cost were $1000 per month and after upgrade it would be $1500, your saving before upgrade would be:

11 (upgrade delay in months) x $500 (cost difference) = $5,500 cost saving

After you upgrade, caching continues working to save you bandwidth and delay future upgrades. You continue to save money month after month.

Better user experience

When user experience is the key driver, there will often be metrics which establish compelling reasons for investment.

In an enterprise, with drastically increased download speeds you’ll see enhanced employee productivity, spend less time dealing with bandwidth related support issues and improve your user satisfaction rate.

And if your business premises are open to customers (like hotels, casinos or any means of transport), fast internet connection can give you a big competitive advantage.


Next: Why CACHEBOX >

Because CACHEBOX is versatile and scalable, our customers around the world come in all shapes and sizes. ISPs, education authorities, blue-chip multi-nationals, public sector bodies, small businesses, shipping fleets and hotels get more out of their bandwidth with CACHEBOX.

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