The tech committee would like to announce a new accepted talk.
OVS without OVS, by Joe Stringer
The description is as follows:
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The OVS kernel module provides a user-facing API that models a datapath
bridge that connects multiple ports and is configured through a single
flow table. This flow table allows policies to be written around a wide
range of fields and provides actions to manipulate and redirect packets.
A primary goal of this design is to allow flexible user-defined policies
without complicating the kernel for every use-case; this has been
well-aligned with recent industry interest in SDN.
The most well known user of the the OVS kernel module is ovs-vswitchd,
which is a fairly large userspace program that provides an OpenFlow API
for programming. However, there are a number of other users and
use-cases outside of ovs-vswitchd and SDN for the OVS kernel module.
This paper presents the OVS kernel API, shows how it can be directly
configured with simpler low-level utilities (eg, ovs-dpctl), and looks
at how it compares to similar APIs such as cls_flower. Finally, this
paper surveys a variety of open source projects which build upon the OVS
kernel API without using the OVS userland utilities.
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cheers,
jamal
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