SpaceWire: a spacecraft onboard network for real-time communications

Parkes, Steve; Armbruster, Philippe

doi:10.1109/rtc.2005.1547397

Cited by 59 publications

(32 citation statements)

References 1 publication

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“…The tail flit is used to signal the end of the message and for various bookkeeping purposes. Wormhole routing is used widely in applications ranging from local computer clusters [31], through SoC NoCs [15], to SpaceWire [37,36] chips.…”

Section: Background and Modeled Networkmentioning

confidence: 99%

Static timing analysis for modeling QoS in networks-on-chip

Krimer

Keslassy

Kolodny

et al. 2011

Journal of Parallel and Distributed Computing

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Section: Background and Modeled Networkmentioning

confidence: 99%

Static timing analysis for modeling QoS in networks-on-chip

Krimer

Keslassy

Kolodny

et al. 2011

Journal of Parallel and Distributed Computing

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“…Apart from the VLSI context described earlier, this may also be the case for low-level "network-centric" applications: Links in modern high-speed networks, as SpaceWire [39], continuously exchange heartbeat data in order to maintain communication synchrony and fault detection when there is no real data to be sent. Continuously sending messages would not increase the load here, but only reduce the amount of (useless) heartbeat data sent.…”

Section: Muteness and Performance Issuesmentioning

confidence: 99%

The Theta-Model: achieving synchrony without clocks

Widder

Schmid

2009

Distrib. Comput.

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We present a novel partially synchronous system model, which augments the asynchronous model by a (possibly unknown) bound Θ on the ratio of longest and shortest end-to-end delays of messages simultaneously in transit. An upper bound on those delays need not exist, however, and even Θ may hold only after some unknown global stabilization time. Θ-algorithms are fully message-driven and do not have access to bounded drift local clocks, which makes them particularly suitable for VLSI Systems-on-Chip, for example. In this model, we provide a simulation of (eventually achieved) lock-step rounds, which even works in the presence of Byzantine failures. It follows that most problems in distributed computing have a solution in our model: Using the basic consensus algorithm for partially synchronous systems by Dwork et al. (J ACM 35(2):288-323, 1988), for example, Byzantine consensus can be solved. We also introduce a timing transformation technique that facilitates simple correctness proofs and performance analyses of Θ-algorithms, and provide a detailed relation of the Θ-Model to other partially synchronous system models.Supported by the FWF project Theta (proj. no. P17757-N04) and the BM:vit FIT-IT project DCBA (proj. no. 808198).

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“…Currently two extensions of the standard, the RMAP [7] and the PID [8], are under development covering the transport layer protocol. Several space missions in Europe, US, Japan and Korea have planned the use of the SpW standard [9][10][11][12][13] and it has been also adopted in avionic applications [14]. To simplify the development of complex SpW-based communication systems, it is of paramount importance the availability of reusable and lowcomplexity IP macrocells for its building blocks: routers and interfaces.…”

Section: 1mentioning

confidence: 99%

FPGA-based Networking Systems for High Data-rate and Reliable In-vehicle Communications

Saponara

Petri

Tonarelli

et al. 2007

2007 Design, Automation &Amp; Test in Europe Conference &Amp; Exhibition

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The amount of electronic systems introduced in vehicles is continuously increasing: X-by-wire, complex electronic control systems and above all future applications such as automotive vision and safety warnings require in-car reliable communication backbones with the capability to handle large amount of data at high speeds. To cope with this issue and driven by the experience of aerospace systems, the SpaceWire standard, recently proposed by the European Space Agency (ESA), can be introduced in the automotive field. The SpaceWire is a serial data link standard which provides safety and redundancy and guarantees to handle data-rates up to hundreds of Mbps. This paper presents the design of configurable SpaceWire router and interface hardware macrocells, the first in state of the art compliant with the newest standard extensions, Protocol Identification (PID) and Remote Memory Access Protocol (RMAP). The macrocells have been integrated and tested on antifuse technology in the framework of an ESA project. The achieved performances of a router with 8 links, 130 Mbps data-rate, 1.5 W power cost, meet the requirements of future automotive electronic systems. The proposed networking solution simplifies the connectivity, reducing also the relevant volume and mass budgets, provides network safety and redundancy and guarantees to handle very high bandwidth data flows not covered by current standards as CAN or FlexRay.

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SpaceWire: a spacecraft onboard network for real-time communications

Cited by 59 publications

References 1 publication

Static timing analysis for modeling QoS in networks-on-chip

Static timing analysis for modeling QoS in networks-on-chip

The Theta-Model: achieving synchrony without clocks

FPGA-based Networking Systems for High Data-rate and Reliable In-vehicle Communications

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