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Security Think Tank: How to use SDN, containers and encryption – and some warnings

Submitted by on January 12, 2019 – 2:48 amNo Comment

Now that the Christmas and New Year festivities are finished, it is time take a serious look at the networks that underpin your company’s activities and how to prevent rogue code (malware, ransomware, viruses) from running amok. Can software-defined networks and containerisation of services provide a valuable helping hand? If you are running virtualised servers in your network, you have probably found that it is easier to create a new virtual server running a dedicated application than running multiple applications on one server.

For many companies, this virtualisation of servers is a goal in itself, bringing with it a number of advantages, including the potential for power and space saving and the ability to interconnect virtual servers within the VM (virtual machine) hypervisor environment. Also, there are a number of VM hypervisor products that can operate across a cluster of hardware hosts, rather than a single host. Couple this hypervisor interconnection of servers with VLAN (virtual local area network) technology to allow connections to services on different platforms and to the user base, and you have a software defined network.

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