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Network engineer job description will evolve, not evaporate, with SDN
This article is part of the March 2014 Vol.5 / No.2 issue of Network Evolution
There used to be one question Randal Echterling could ask himself every day and know whether he was doing his job correctly: How's my network doing? But that started to change a few years ago as more advanced applications crept into an increasingly virtualized data center. Echterling, a network architect at WellSpan Health -- a regional healthcare system based in York, Pa., that spans 120 patient facilities and has almost 12,000 employees -- has become responsible for ensuring the performance and security of a growing number of network-connected medical devices. Network health is now almost a secondary, perfunctory concern for a networking team that finds itself increasingly focused on application performance. The team has become involved in application troubleshooting and worries about application design. One of WellSpan's network analysts is now writing Perl scripts and .NET code so he can better work with the application team. Now, like many network engineers, Echterling is evaluating software-defined networking (SDN) and ...
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Features in this issue
Mobile device capabilities have advanced rapidly, along with user expectations for remote access. Managed or cloud VPN services can help you keep up.
Most networking pros won't need to become programmers to survive. SDN will expand the network engineer's job description, not invalidate it.
OpenStack's networking service, Neutron, integrates provisioning and management of network resources into the orchestration of IT infrastructure.
This infographic outlines some of the key differences between IPsec and SSL VPNs.
Columns in this issue
Network admins can handle random surges in VPN use, but the constant demands of a mobile workforce are a challenge. Managed VPN services can help.
It was once unthinkable, but virtual data centers that can be migrated between cloud providers may soon be real, thanks to SDN and other advances.