Network Communications News (NCN) NCN-Sept2017 - Page 25

TEST EQUIPMENT & TOOLS  ave you benchmarked normal H bandwidth demand and application response times for the organisation? A re you monitoring bandwidth demand changes over time from users and applications? D o you have sufficient excess capacity to support the demands of virtual and underlying physical environments? I s the operating software up-to- date with the latest revisions? Based upon answers to your assessment, you may need to adjust conditions that you’re tracking or make upgrades in your IT infrastructure to ensure it is up to the task. Nex t, ta ke a clo s e l o o k at t h e state of your s ecurity defe nc e s . A s net work us ers con s u m e m o re d ata, y o ur expos ure to v ir u s e s , ransomwa re a nd DDo S at ta c k s wi ll i nc rea s e propo r tio nate l y . H ow wel l does yo ur int r u s io n- d ete ct i on s ys tem (IDS) h a nd l e encr y pted data traf fic? D o y o u have suf ficient protectio n in place aga ins t cyberatta c k s , i nc lu di ng a l l the l ates t p atc h e s and u pdates ? It ma y s e e m obvi ou s , but of ten it’ s t h e l it t l e t hi ngs that a re overlo o ke d . And finally, keep a watchful eye on your network with the latest monitoring tools. Most legacy monitoring and management systems measure latency from an end user’s perspective to the applicable web service, but not all issues will be immediately apparent to users. Others simply report uptime and availability of a physical piece of infrastructure. In order to see how applications and related services are really performing, it’s important to maintain comprehensive visibility and control of network infrastructure. This real-time visibility allows IT teams to recognise unusual traffic behaviour or anomalies much more quickly to head off serious performance issues or security threats. Moreover, the ability to correlate data metrics in intelligent ways can even foreshadow risks that a critical service will begin to face in the coming hours, days or weeks. As your network migrates to higher speeds, don’t forget to evaluate service level agreements (SLAs). Even greater demand is being driven by access to gigabit internet speeds, coupled with the increase in business applications that leverage the storage and ‘Just 3.5% of the world’s population are able to access gigabit internet currently, but those numbers are changing rapidly.’ compute power of the cloud, such as Amazon Web Services and Microsoft Azure. Your IT team still needs to troubleshoot performance and manage quality of experience for these burgeoning workloads, so be sure to factor this growth into the SLA. Full speed ahead We are still at the start of the gigabit revolution. Just 3.5% of the world’s population are able to access gigabit internet currently, but those numbers are changing rapidly. New deployments are being reported all the time, and LTE and 5G installations are expected in the very near future. The transformative power of high- speed internet is powering an explosion in disruptive innovation and business applications. Looking to the future, with the right strategy and preparation, you can take full advantage of the potential that gigabit access has to offer. The key is to do so while preventing any harmful impacts on network per formance, security and quality of experience. For further information visit: www.viavisolutions.com September 2017 | 25