DSCP is used by large enterprises to manage network traffic intelligently. It provides quality of service to enable traffic engineering, and in some cases can additionally be relied on to enforce network security policies. The inclusion of DSCP in Newton Neutron now makes this facility available to all users, from individuals to large enterprises. This talk will describe DSCP for those unfamiliar with it, discuss how DSCP is used ‘in the wild’ today, and relate the path taken to deliver the Open vSwitch-based reference implementation for Newton.
Attendees should expect to learn:
- A basic overview defining DSCP, how it is implemented in the TCP header, and how network devices react to it;
- An overview of a few real-world use cases for DSCP, taken from several large enterprises, to show what problems it is used to solve as well as what problems it is not well-suited for;
- How the reference implementation for DSCP control is implemented in Neutron using Open vSwitch, and what issues needed to be addressed for that to happen.
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