If you have fiber and the right transceivers, you can run 100Gbit&#x2F;s over it. If you need that sort of bandwidth, you&#x27;ll probably do your own peering because just paying for traffic will be obscenely expensive.<p>Chaos Computer Club&#x27;s 30c3 conference had a 100G fiber link to downtown Hamburg for a couple of days, still 12k users w&#x2F; Gigabit ports and a makeshift datacenter with 10g ports couldn&#x27;t manage to saturate the link:<p><a href="https:&#x2F;&#x2F;media.ccc.de&#x2F;v&#x2F;30C3_-_5609_-_en_-_saal_6_-_201312301430_-_infrastructure_review_-_kay_-_peter_stuge_-_florolf_-_sebastian_-_m#video&amp;t=98" rel="nofollow">https:&#x2F;&#x2F;media.ccc.de&#x2F;v&#x2F;30C3_-_5609_-_en_-_saal_6_-_201312301...</a>