Comcast is placing outdated optical spectrum analyzers to work to extend native community reliability, utilizing them as a part of a brand new efficiency monitoring system that may scale back the time it takes to determine fiber outages from two hours to lower than two minutes.
Venk Mutalik, the Comcast engineer who led the event of its new XMF platform, mentioned that Fierce spectrum analyzers are usually utilized in reconfigurable add-and-drop optical multiplexer (ROADM) units to chop off mild and ship visitors throughout completely different paths. routes as wanted. However he famous that these analyzers rapidly grow to be out of date, as new iterations are launched annually.
Nonetheless, by means of the XMF platform, Mutalik and Comcast have discovered a brand new use for older era analyzers, implementing them to not route mild, however merely to look at and report on the situation of particular person fibers on native networks. He described the system as one thing akin to sonar or CCTV monitoring for the community.
“In case you can measure the time between reflections, now you may estimate what that distance was” to find out the place an imperfection is, Mutalik defined. “Each time a fiber is minimize, we instantly know the way lengthy it was initially and the way lengthy the fiber lasted. How the fiber was minimize proper now, after which there is a warning that is despatched to our ticketing and dispatch after which they’ll find the fiber that was minimize ”to make the repairs, he added.
Along with real-time monitoring, Mutalik mentioned the system may present evaluation over an extended time period to proactively observe fiber degradation and enable you to preserve service degree agreements with prospects.
Comcast Cable’s senior vice chairman of next-generation entry networks, Elad Nafshi, informed Fierce that the brand new system is a key step on the operator’s path to 10G.
“As we proceed to push ahead what we name DAA, or Distributed Entry Structure, which finally digitizes each fiber entry hyperlink we’ve got … realizing and understanding what is going on on on these fibers turns into much more necessary,” defined. “We see this as one of many essential efforts that we’ve got. In order we make our community even quicker and extra succesful, we won’t lose sight of reliability. “
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Nafshi mentioned Comcast is presently within the technique of implementing XMF’s capabilities nationwide. He added that the brand new platform goes hand in hand with Comcast’s different community monitoring and administration initiatives, together with the launch of its Octave visitors modulation instrument in 2020.
“There isn’t any magic components for community reliability,” Nafshi concluded, however famous that Comcast is working to pool insights from its numerous instruments to achieve probably the most visibility into the client expertise.