Saturday, May 2, 2020

New Data Center - ToR Singlemode or Multimode?

I'm trying to build a cable plant design for a new data center. I have to spec out a lot of multimode fiber for the server folks who insist on using fibrechannel for storage, but for regular ethernet traffic should I also stick to multimode or should I go with singlemode? As speeds push to 100Gb and 400Gb is multimode no longer a viable option? I'm just getting up to speed on 400Gb now, but it seems like there is no bidi option for multimode but instead requires a full MPO24(!)

Any thoughts from data center folks?



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