Lab OpenFlow switches
The first category is my favorite, which we can call the hacker category. This typically consists of hardware specifications that pale in comparison to datacenter switches, but are easy to obtain and do not break your wallet. In the SimpleRouter project (https://github.com/ttsubo/simpleRouter), you can see how Toshiki Tsuboi uses a USD 35 Raspberry Pi 2 device (https://www.raspberrypi.org/) with 3 USB-Ethernet interfaces to run Open vSwitch and Ryu and demonstrate MP-BGP and VPN to external BGP devices.
Small, budget-friendly switches are also available in this category. Home routers and switches, such as TP-LINK TL-WR1043ND or Cisco-Linksys WRT54GL, have OpenWRT images that enable them to be quick OpenFlow 1.0 or 1.3 ...
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