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Networking development takes on voice quality, SD-WAN security
The old telephone systems set a high bar for engineering its network for call quality. Then came the internet, and with it, new technologies like VoIP and other applications that need to always operate with high reliability and quality standards. In this edition of Network Evolution, we look at what's driving VoIP networking development and what users expect when it comes to voice and video quality.
And equally as important to networking development is security, network managers who are deploying software-defined wide area networks (SD-WANs) say. Vendors are beginning to offer products that build security into an overall SD-WAN provisioning platform, and users are looking for features that manage firewalls while not degrading performance. In this issue we study several use cases for SD-WAN technology.
Finally, Cisco has stepped up its certification and training programs in an effort to build its reputation as a software provider. For professionals working with Cisco's Digital Network Architecture, the new certifications offer more education on how to manage and automate networks through a central software console instead of reprogramming hardware individually.
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Features in this issue
As the telephone itself disappears from the voice communication process, engineering VoIP quality becomes more critical. Network managers assess what they're hearing now.
SD-WANs are an option for enterprises that want to reduce network expenses, but watch out for internet vulnerabilities. Network pros are choosing a multistep approach to SD-WAN security.
News in this issue
Aruba's Universal Profiler gives a boost to network device detection and helps administrators keep track of a growing number of things on their networks.
The latest Cisco certification programs are for IT professionals working with the vendor's Digital Network Architecture.
Columns in this issue
The evolution of voice technology has taken us far from the old days of Ma Bell analog calls, but users still expect the same high-quality call standards.