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Deliver Your Content With Geographic DNS Rules

August 20, 2015 – As companies grow and expand their presence around the world, they need to make sure they are optimizing their website performance.  Using a content delivery network is a great way to do this, by caching instances of your content all over the world, closer to your end users.  However, a lot of managed DNS providers offer the ability to route your end users to your origin server that is closest to them.

You may have already built out multiple datacenters across the globe, you simply don’t have the budget for a CDN, or you may not have SLA’s around your website’s performance.  Whatever the reason may be, geographic DNS routing could be a good solution.  That’s not to say it should replace a CDN, in fact, most companies use both.

Let’s say you have 1 datacenter on the west coast, 1 on the east coast, 1 in europe, and 1 in Asia.  You already have a pretty good spread of servers spanning the globe.  No, it’s not a CDN where you may have access to 100 pops across all continents for maximum performance, however, you have good coverage.  Depending on the DNS provider that you choose, you could simply setup rules for a particular DNS record to say, all users coming from the west coast – route them to my west coast datacenter.  East coast users to my east coast datacenter, European users to Europe, and so forth.  We would recommend that you test various DNS providers to see what works best for you.  There are differences in each provider with regards to DNS server footprint, management of records, granularity of geo routing locations, etc…A lot of these providers have built in monitoring and failover pools that you can setup as well.  So if your west coast server goes offline, you can automatically redirect them to the east coast or Asia for example.

Just something to consider…

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