If your network went down for five minutes, what would the impact to your business be?
What if it went down for an hour? A day?
A recent survey commissioned by VeriSign found that more than half of midsize and large enterprises with dedicated IT staff have experienced network downtime in the last year.
Sixty-five per cent of those downtime incidents were attributed to domain name system (DNS) failures and/or cyberattacks.
Surprisingly, those with larger IT budgets, more website visitors and a dependency on their websites for more than 50 per cent of annual revenue were more likely to say they experienced downtime from a DNS failure.
DNS effectively serves as the “front door” for any website to let in users and customers wanting to conduct internet transactions. The entire process generally happens in a few tenths of a second and is transparent to the end-user.
Thus, no one really cares about DNS until it stops working, but that's when it is too late. Losing DNS service effectively removes one's site from the web.
For a major e-commerce company, just one minute of DNS downtime can result in millions of dollars of lost revenue and erosion of brand and customer satisfaction. For a small business with limited resources and technical expertise, downtime can mean the end.
According to Joseph Finsterwald, chief technology officer for Karamaloop.com, in a recent Internet Retailer article, “Failure of our site could have potentially cost us $50,000 to $100,000 per hour of outage during peak traffic.”
The Yankee Group estimates that more than 85 per cent of enterprises that manage DNS in-house (the method used by the majority of e-commerce sites) do not have dedicated staff, but instead manage the technology on an ad-hoc basis, with limited expertise and few defined operational processes.
This is very risky, especially in the current landscape where criminals and bored teenagers are looking for any outlet to disrupt operations of the largest and smallest businesses.
This is especially true during the busy holiday shopping season that is fast approaching. E-commerce companies must take a step back now and evaluate the health of their DNS.
Comprehensive management requires careful planning, substantial expertise, and considerable resources. Unfortunately, most companies do not recognise weaknesses in their existing DNS infrastructure until it is too late and they have suffered lost productivity and revenue.
It's true that a growing trend for companies of all types is to implement managed DNS services, either as a primary management strategy, or as a secondary service which provides a fail-safe in the event that the primary DNS infrastructure fails.
These services generally have tools and capabilities that help secure the network, improve availability, and enhance performance that – in most cases – enterprises cannot afford to duplicate on their own.
If you decide to investigate DNS hosting services, here are a few things to consider:
Copyright © SC Magazine, US edition
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