NEC ProgrammableFlow Scalability Features
Once you get rid of spanning tree and associated kludges (not too hard in OpenFlow-based networks), BUM flooding becomes your biggest enemy. NEC’s engineers implemented some interesting features in the ProgrammableFlow switches and controllers: rate-limiting of unknown unicast frames, flooding control, and ARP snooping (if only they’d go for ARP proxy).
Recent posts in the same categories
bridging
- Repost: Why Are Layer-2 VPNs So Popular?
- Why Are We Using EVPN Instead of SPB or TRILL?
- Dataplane MAC Learning with EVPN
- Worth Watching: Ethernet Thick Yellow Cable
- Silent Hosts in EVPN Fabrics
- Why Is OSPF (and BGP) More Complex than STP?
podcast
- Packet Pushers: Chat with Eric Chou
- netlab on Packet Pushers
- Built.fm Podcast with David Gee
- netsim-tools (now netlab) on the Modem Podcast
- Bringing New Engineers into Networking on Software Gone Wild
- Podcast: State of Networking (Early 2021)