> Has anyone rejected an 802.11n vendor because of controller bandwidth > limitations?
Not for bandwidth (because, like you, we haven't even touched the existing capacity), but definitely for energy requirements and hidden costs. Some of the vendors require one blade or server per 200 APs. In our case we would end up with 10 blades, x chassis etc... The hidden costs are not to be underestimated: -Electric Bill -Room in cabinets -Number of gig ports on uplink -Redundancy is hard to manage (HSRP all over the places) -The whole solution is hard to support (we have a centralized core, no edge routing and no intention to locate controllers all over campus) One last caveat. Some vendors with Chassis (eg: the one you refer with 20 Gbps!) don't have a formal backplane. Blades will exchange traffic over the uplink, which could definitely increase the BW requirements if intra-wireless traffic is big. Philippe Hanset Univ. of TN. > > Any other helpful thoughts on this topic? > > Feel free to contact me off list if you want to share specifics about a > vendor. > > Nathan > > > > > > > > Nathan P. Hay > Network Engineer > Computer Services > Cedarville University > www.cedarville.edu ( http://www.cedarville.edu/ ) > > ********** > Participation and subscription information for this EDUCAUSE Constituent > Group discussion list can be found at http://www.educause.edu/groups/. > ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
