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There are numerous causes to maneuver to a managed DNS platform, however all of them revolve round a central theme. When you attain a important mass of site visitors and begin becoming concerned concerning the efficiency and reliability of what you’re delivering, it’s time to think about a managed DNS solution.
There are a number of well-known choices on the market, and to a newcomer they will seem comparatively related at first. Each managed DNS supplier presents a 100% uptime SLA via a worldwide anycasted DNS community. All of them have failover choices, which might enhance resilience. All of them present dashboards and metrics so you may analyze efficiency. All of them cost based mostly on utilization.
But beneath these table-stakes options, you’ll discover some important variations. The method completely different corporations take will finally impression the efficiency, scale, and capabilities of your community. It’s essential to know which of those options and capabilities are essential to you earlier than evaluating choices.
As you’re assembling your record of “prerequisites”, we put collectively just a few questions that may assist construct out your record of necessities.
1. What’s your danger profile?
Any managed DNS supplier value its salt will provide a 100% uptime SLA. But even that may not be adequate. Community outages occur, and every now and then even a extremely resilient international community faces availability points.
Having a redundant failover choice often is sensible, notably for “at all times on” providers that actually require excessive availability. In some instances, meaning signing up with a couple of supplier. NS1 takes a special method, providing a separated redundant system that you may handle from the identical management aircraft.
There’s additionally the query of how your managed DNS supplier really delivers resilience. The mechanics of failover matter. Is it automated? Is it customizable? What number of choices do you’ve? How simple is it to handle these choices? Even probably the most rock stable redundant DNS choice could also be nugatory if there’s a hiccup within the failover course of.
2. What do your builders want?
Most organizations begin utilizing a managed DNS resolution to enhance the expertise of consumers and end-users. Then they uncover that there’s one other viewers: builders.
At present’s networks are pushed by DevOps, edge computing, and serverless architectures, all of which require an API-first method to infrastructure. Connections to instruments like Terraform are additionally an essential requirement for builders as they leverage community infrastructure to construct customer-facing providers.
When assessing managed DNS options, it’s essential to research the breadth and depth of their API providing and connections to plain instruments utilized by builders. It’s not sufficient for APIs to easily be obtainable, they need to even be well-documented and straightforward to make use of.
3. How will you handle site visitors amongst a number of CDNs and/or clouds?
If you happen to’ve received sufficient important mass to want a managed DNS resolution, in some unspecified time in the future you’ll most likely begin utilizing a number of clouds or CDNs to ship functions and content material. Meaning distributing site visitors to completely different suppliers to optimize performance and enhance resilience.
It’s widespread for a managed DNS supplier to supply some type of traffic steering, however there are important variations in how they function. You’ll wish to see how simple it’s to make use of the site visitors steering operate in a managed DNS resolution. How a lot guide effort is concerned in configurations and deployments?
It’s additionally essential to have a look at your capacity to customise site visitors steering choices. Will you get the focused outcomes you’re in search of with the choices which are obtainable? Or are the site visitors steering choices too skinny to supply the efficiency that you actually need? Will you utilize site visitors steering for primary load balancing and failover capabilities, or do your wants go deeper?
4. How essential is efficiency?
For supply of most functions and providers, the velocity of most managed DNS providers is sufficient to get the job executed. A number of milliseconds quicker or slower than the typical business benchmarks gained’t actually matter.
But there are particular use instances – streaming video and gaming particularly – the place these milliseconds can immediately impression income. In these instances, it’s essential to pay specific consideration to each the velocity of community responses and the depth of site visitors steering choices.
Since most high-performance functions and providers will use a number of clouds and/or CDNs, the power to routinely steer site visitors to the perfect performing service is important. You may additionally wish to weigh efficiency in opposition to components like value or reliability – one more reason to prioritize options with customizable site visitors steering choices.
If you happen to’re delivering content material to mainland China, optimizing efficiency requires particular consideration to deployment geography. Its distinctive community structure requires a managed DNS solution with a local presence.
Learn more about IBM NS1 Connect’s Managed DNS solution.
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