On 07/11/14 02:00, Frank Sweetser wrote: > I would strongly encourage everyone to bug all of their vendors about where > this is on their roadmap. I've been asking ours, and they haven't made any > commitments yet but they're all well aware of it.
Our AM at Extreme hinted that 2.5Gbps will be coming in their new stackables which are due next year. 2.5GBps ethernet has been a thing for 10 years, but only on PCBs as a single lane of XAUI. I'd still argue YAGNI in a real-world environment that is limited to 40MHz channels, given that 80MHz and 160MHz don't allow for a lot of channel re-use. So then 40MHz with 8 spatial streams peaks at 1.6Gbps theoretical with all clients within 20ft of the AP. Add in overheads, 256QAM being unusable at with MU-MIMO [1] and a bit of clients sending (which I believe can't be MU-MIMO) and you're well under 1Gbps again. Even if we assume a single 3SS client, 256 QAM and 80MHz channels you're looking at 1.3GBps theoretical, which again is going to be under 1GBps. IMHO, if you really want to give good performance to everyone, install dense single-5GHz-radio APs with 1Gbps links rather than trying to push theoretical boundaries for just a few users. [1] http://www.cisco.com/c/en/us/products/collateral/wireless/aironet-3600-series/white_paper_c11-713103.html -- James Andrewartha Network & Projects Engineer Christ Church Grammar School Claremont, Western Australia Ph. (08) 9442 1757 Mob. 0424 160 877 ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
