Reply to post: Re: SFPs + Fiber = cost more than switch?

Back to ASICs: Mellanox pumps up Ethernet speed to 400Gbps

Kernel

Re: SFPs + Fiber = cost more than switch?

So, the obvious solution if you want to go much further than on-campus will be to use DWDM technology, where 100Gb/s on a single fibre, single wavelength is possible over a 1000km or more, and 200 and 400 can be done the same way up to a couple of 100 km.

I wouldn't be surprised if we didn't see terabit speeds in the long-haul space within a couple of years, although I have no inside knowledge of such developments.

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