Tag: Unicast

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Anycast DNS DNS Routing method

Anycast DNS and Unicast DNS: Differences

Anycast DNS explained

With Anycast DNS are established several servers, each of them in a separate geographical location, and they all can provide the same IP. Therefore, the DNS data about your domain name is duplicated on several servers.

The closest DNS server answers the request of the user. If one of the servers is not functioning, the next closest and available DNS server will answer the request. As a result, factors such as loading time, waiting for a response, and the users’ overall experience are a lot better.

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Routing method

Anycast vs Unicast vs Multicast vs Broadcast

Routing communications on networks is a need! 

There’s a massive amount of data moving around every second. But data don’t travel randomly. They have an origin and must be delivered to a specific destination. So choosing the most convenient path for dispatching traffic is vital for efficiency and for avoiding chaos. Let’s see Anycast vs Unicast vs Multicast vs Broadcast.

Different types of routing methods have emerged to satisfy a wide variety of needs. 

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DNS

​Unicast DNS explained

To understand what Unicast is about, let’s briefly review the concept of routing. It’s a process of picking the most convenient path for the traffic in a network or across many networks.

If you think about networks, the Internet, for instance, there is constant communication. A continuous exchange of data that travels around, divided into packets. To deliver such an amount of data packets, from their source to their destination, definitely require a smart routing. 

Routing works based on routing information base (RIB) or routing tables. They are records of data that include the routes to different network destinations. Sometimes, they also have specific distances related to those routes. Administrators create these tables because they permanently monitor network traffic. Or they can be built through the routing protocols. That’s what they are made for.

There are different routing methods. Unicast is one of them.

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