When it comes to packet filtering on Linux, Nftables (a successor to Iptables) has matured sufficiently in recent years for it to be considered the default tool to use today.
Nowadays, it is quite common for systems to be made up of many subsystems. These include small programs that work together, full Operating Systems and proprietary applications.
Last week I shared some important aspects regarding SD-WAN (such as self-provisioning, automation, monitoring, etc.) that I have encountered while working with customers, Partners and Carriers in different countries in Central and South America.
For the past few years, we’ve been hearing the word SD-WAN a lot. In my daily work with customers, Partners and Carriers from different countries in Central and South America, I’ve found that companies are indeed implementing this type of technology, with the suite of features oriented to ensuring their networks are operational.
IT Resellers and system integrators operate in an increasingly competitive market, which means the range of solutions they can offer their customers is extremely broad. No doubt they all want to be able to modernize their product portfolios to make them as attractive as possible to SMEs.
One of the consequences of the new digital economy is the increase in the complexity of business network infrastructures during the last decade, both for large companies and SMEs. In response to this new situation, companies have been adopting software-defined networks (SDN) as the hegemonic model of network architecture. This phenomenon, together with the rise of cloud computing has resulted in what is known as SDN cloud networking.