A Programming Model for a Forwarding Element

(creator_code:org_t)

2004
2004
English.
In: 2nd Swedish National Computer Networking Workshop, SNCNW 2004, Karlstad, Sweden. ; , s. 59-65

Abstract Subject headings

The architectural complexity and diversity of current network devices make them complex to manage and difficult to program. In this work, we specify a programming model for network devices that function as forwarding elements. We first identify the key packet processing functions and analyze current network devices. Next, we derive a model that consists of processing blocks to represent simple packet processing functions running on a forwarding element. We further use a processing block topology to represent how the individual packet processing functions are interconnected on the datapath. We also demonstrate how to program a forwarding element and show an example IPv4 forwarding service implementation. Finally, we evaluate programmability and the performance of the FE model.

About the subject

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