This is the blog of Ronald Bartels that wanders on and off the subject of problem management (that is how it started). Mostly now the topics are about IoT and SD-WAN.
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The changing data centre: Impact of networking costs
Mattias Fridström, chief evangelist for Telia Carrier, says lower
networking hardware costs are forcing data centers and metro networks to
fundamentally change how they conduct their business: “Any location
with fiber can now become a data center, opening up new opportunities
for designing, managing, and operating cloud and on-demand computing
resources.” In the past the networking hardware costs were extremely prohibitive,
and so connecting different data centers to each was often an expensive
exercise. Organizations such as Google, Facebook, Amazon and Intel have
been at the forefront of the software designed revolution in computing,
and they are now moving into the networking arena with SDN and SD-WAN.
This is displacing the traditional costly propriety silicon purveyors on
network equipment. With lower costs and higher speed connections, the
dynamics are changing. In turn this is transforming the costs associated
with data centers, public, hybrid and private clouds – making them more
accessible and more affordable.
Firewalls are becoming increasingly important in today’s world. Hackers and automated scripts are constantly trying to invade your system and use it for Bitcoin mining, botnets or other things. To prevent these attacks, you can use a firewall on your system. IPTables is the strongest firewall in Linux because it can filter packets in the kernel before they reach the application. Using IPTables is not very easy for Linux beginners. We have created easywall - the simple IPTables web interface . The focus of the software is on easy installation and use. Access this neat software over on github: easywall
When building a DDoS mitigation service it’s incredibly tempting to think that the solution is scrubbing centers or scrubbing servers. I, too, thought that was a good idea in the beginning, but experience has shown that there are serious pitfalls to this approach. Read the post of at Cloudflare's blog: N o Scrubs: The Architecture That Made Unmetered Mitigation Possible
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