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Tor switch vs leaf switch3/26/2023 ![]() However, about seven years ago, with the introduction of 10G connections into the data center, topologies started to change. Until fairly recently, data centers were designed with dedicated racks in mind – server, storage, and switch racks. ![]() Now, the trending architecture of the data center network has changed to all but eliminate end-of-row (EoR) switches in favor of ToR. ToR designs originally popped up because data center managers ran out of room on their aggregation switches, so they needed to add incremental capacity. With the advent of top-of-rack (ToR) switching and SFP+ direct-attach copper cables, more data centers are able to quickly implement cost-effective 10G-and-beyond connections. ![]() Top 10 Suppliers Series – European Survey. ![]()
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