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Recently, with new hardware architectures such as Reconfigurable Match Tables and languages such as P4, the Software Defined Networking community has started to bring linerate data plane programmatic flexibility inside switching chipsets. Starting from the original OpenFlow's match/action abstraction, most of the work has so far focused on key improvements in matching flexibility. Conversely, the...
This paper presents a method to implement complex tasks into stateful SDN programmable dataplanes. In particular, the presented method proposes to use the internal microcontroller typically used to configure the programmable dataplane also to perform some complex operations that do not require to be executed on each packet. These operations can be executed on a set of data gathered by the dataplane...
Programmable dataplanes are emerging as a disruptive technology to implement network function virtualization in an SDN environment. This technology can be further enhanced by using data plane abstraction with stateful processing. In this paper we focus on real world use cases with stateful forwarding requirements to validate Open Packet Processor data plane abstraction. We first demonstrate the suitability...
Error correction codes (ECCs) have been used for decades to protect memories from soft errors. Single error correction (SEC) codes that can correct 1-bit error per word are a common option for memory protection. In some cases, SEC codes are extended to also provide double error detection and are known as SEC-DED codes. As technology scales, soft errors on registers also became a concern and, therefore,...
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