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Network Latency and Throughput

Network Latency and Throughput

Network latency and network throughput are terms that are often confused or even used as alternatives to each other. Latency and Throughput are totally different and you can have High Latency (Bad) and High Throughput (Good) or Low Latency (Good) and Low Throughput (Bad). As you can see from the examples mentioned, even the “High” […]

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What sort of connectivity do I need?

What sort of connectivity do I need?

The current scenario with fibre With the current speed of fibre rollouts, ADSL is fast following the path of dial-up connections and the dinosaur. We are literally spoilt for choice with speeds ranging from 1mb/s up to 1gb/s in some areas. If the national regulator can have its way, base-speed connections may even end up […]

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Reverse DNS

Reverse DNS

What is Reverse DNS? Normal DNS (Domain Name Service) is used to translate a human readable URL/Domain Name into an address that is easier for a computer to understand – the IP address. As the name implies, Reverse DNS (RDNS) does the opposite – translating an IP address into a Domain Name. You may find […]

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DNS Records – Best Practice

DNS Records – Best Practice

Although the basics of DNS records is easy to understand, I often see badly configured DNS zones. Here are a few pointers to help keep that DNS pure and fast according to industry best practice. CNAME RECOMMENDATIONS These records are heavily¬†overused and abused. The basic rule is that a CNAME should never point to another […]

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IPV6 Part 2 – Formats and special addresses

IPV6 Part 2 – Formats and special addresses

IPV6 Reduced Complexity IPV6 networking reduces the complexity of address planning and assigning addresses to networks. Instead of using a wide variety of IPV4 subnet lengths, it is best practice to use some standard prefix lengths to simplify things. IPV6 should be a breath of fresh air to those who toil with the scarcity constraints […]

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