A software switch will typically buffer a couple hundred packets. In Open vSwitch and the OpenFlow reference implementation, they'll wait a bit (on the order of one to five seconds) to see if they're used by the controller before reusing a buffer slot for a new packet.
--Justin On 8/3/11 11:03 PM, "Yi-Shou" <[email protected]> wrote: >Hi, > >I have a question about the OpenFlow packet buffer, can help me please? > >Assuming there are many new flows coming to OpenFlow Switch, and the OF >Switch must to communicate with NOX Controller, >at the same time, OF switch need to use packet buffer(ex: NetFPGA 4MB >packet buffer) to handle these packets of flows when NOX has not sent >flow table information. >Will the OF switch packet buffer be overflow? > >Thank you! >_______________________________________________ >openflow-discuss mailing list >[email protected] >https://mailman.stanford.edu/mailman/listinfo/openflow-discuss _______________________________________________ openflow-discuss mailing list [email protected] https://mailman.stanford.edu/mailman/listinfo/openflow-discuss
