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dc.contributor.advisorRexford, Jennifer-
dc.contributor.authorTahmasbi Arashloo, Mina-
dc.contributor.otherComputer Science Department-
dc.description.abstractModern networks need to operate at speeds as high as 100Gbps while running sophisticated algorithms and protocols to provide strict performance, security and reliability guarantees. Moreover, they need to flexibly adapt to the rapidly evolving requirements of online services. Thus, emerging network hardware devices, i.e. switches inside the network and Network Interface Cards (NICs) at the end hosts, are high-speed and programmable, with on-chip memory accessible on a per-packet basis to support stateful packet processing. However, the programming interfaces of these devices are quite low-level, tied to each device's architecture, and only suitable for programming a single device. Thus, programming collections of stateful network devices to realize a local or network-wide functionality efficiently and correctly is extremely difficult and error-prone. This dissertation focuses on the design and implementation of high-level programming abstractions for stateful programming of high-speed network hardware, both at the end hosts and inside the network. At the end host, we focus on the transport layer, the most complicated, constantly-evolving, and stateful component of the network stack. Transport-layer algorithms maintain state across packets to decide what data segments to transmit and when, and are notoriously difficult to implement on programmable NICs at high-speed. We propose Tonic, a hardware architecture for transport algorithms that can support 100Gbps for 128-byte packets while being programmable with a simple API. In designing Tonic, we exploit common patterns across transport algorithms to create efficient fixed-function reusable hardware modules, thus significantly reducing the functionality programmers must specify. To facilitate network-wide stateful programming, we propose SNAP, a programming language that abstracts the entire network as "one big stateful switch". Using SNAP, operators can program using persistent arrays on one big switch without deciding how to distribute and access them in the network's switches. The SNAP compiler discovers read/write dependencies between arrays, translates one-big-switch programs into an efficient internal representation based on binary decision diagrams, and uses it to jointly optimize array placement and routing across the network. All in all, Tonic's modular interface and SNAP's one-big-stateful-switch abstraction relieve programmers from the low-level details of stateful programming of high-speed network hardware throughout the entire network.-
dc.publisherPrinceton, NJ : Princeton University-
dc.relation.isformatofThe Mudd Manuscript Library retains one bound copy of each dissertation. Search for these copies in the library's main catalog: <a href=> </a>-
dc.subjectComputer Networks-
dc.subjectNetwork Hardware-
dc.subjectProgrammable Networks-
dc.subject.classificationComputer science-
dc.titleStateful Programming of High-Speed Network Hardware-
dc.typeAcademic dissertations (Ph.D.)-
Appears in Collections:Computer Science

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