SpW WG Mtg #18

Eighteenth SpaceWire Working Group meeting

23rd (PM), 24th (all day) and 25th (AM) of April 2012

The eighteenth SpaceWire Working Group meeting was held on Monday the 23rd (PM), Tuesday the 24th and Wednesday the 25th (AM) of April 2012 at ESTEC, followed by a SpW WG Steering Committee meeting on Wednesday the 25th (PM).

The meeting covered specifically the following topics:

SpW Networks for C&C (SpW-D) (Conveners Ph. Armbruster, ESA/ESTEC & S. Parkes, UoDundee)

SpW Evolutions (Convener D. Jameux, ESA/ESTEC), including ECSS-ST-50-12C Rev.1 and SpW 2

SpW Backplanes (Conveners A. Senior, SEA & M. Nomachi, UoOsaka)

SpW System and Mission Requirements (Convener D. Jameux, ESA/ESTEC)

SpW Test, Verification and “Certification” (Convener Y. Sheynin, UoStPetersburg)

SpW Network Management (Conveners G. Rakow, NASA/GSFC, P. Mendham, Bright Ascension)

SpW Deployment and Handbook (Convener B. Cook, 4Links)

SpW International SpaceWire Conferences and Working Group meetings (Convener M. Suess, ESA/ESTEC)

Proceedings (C)

Day 1: Monday 23rd April (PM)

Welcome and Introduction (Philippe Armbruster, ESA/ESTEC)

Session 1: SpW Evolutions part I – SpW2 and SpaceFibre (Conveners D. Jameux and M. Suess, ESA/ESTEC)

This session was dedicated to medium term disruptive evolutions of the SpaceWire technology such as SpaceFibre and next generation space interconnect standards.

• SpaceFibre

◦ SpaceFibre Applications and Requirements, Steve Parkes (UoD) and Paul Rastetter (Astrium)

◦ SpaceFibre Standard, Steve Parkes (UoD)

◦ SpaceFibre Complexity, Steve Parkes (UoD)

◦ SpaceFibre Implementation, Steve Parkes (UoD)

◦ SpaceFibre Demonstration, Chris McClements (UoD), Albert Ferrer & Alberto Gonzalez (STAR-Dundee)

◦ SpaceFibre Next Steps, Steve Parkes (UoD)

◦ SpaceWire-RT, Steve Parkes (UoD)

• Status of SpaceFibre link module development, Taisto Tuominen, Patria Aviation Oy Systems

• Feedback of the SpW community on the SpaceFibre specification

◦ EOP needs for SpaceFibre, Josep Rosello, ESA/ESTEC

◦ SpaceFiber Draft D feedbacks, J.Lachaize, Astrium FR

• GigaSpaceWire - Gigabit links for SpaceWire networks, Yuriy Sheynin, UoStPetersburg

• Non blocking multi router system, M. Nomachi, UoOsaka

Support documents:

SpaceFibre ECSS Draft D v.1.14

Day 2: Tuesday 24th April (all day)

Session 2: SpW Evolutions – part II: ECSS-ST-E-50-12C Rev.1 (Convener D. Jameux, ESA/ESTEC)

This session was dedicated to the revision of the current SpaceWire standard in preparation for the work of the ECSS Working Group.

• ECSS-ST-50-12C Rev.1 scope and ECSS standardisation agenda, D.Jameux, ESA/ESTEC

• Early results of the SpaceWire Evolutions TRP activity:

◦ Revision of the SPW definitions with network configuration as a use case, Peter Mendham, Bright Ascension

◦ Improvements to the Distributed Interrupts scheme, Antonis Tavoularis, Teletel

◦ Trade-off around SpW Half-Duplex, Antonis Tavoularis, Teletel

Support documents:

SpW Evolutions - Distributed Interrupts and TELETEL_AT_DistributedInterruptsImprovements

SpW Evolutions - Simplex & Half-Duplex SpW and TELETEL_AT_HalfDuplex_TradeOffs

Session 3: SpW Test, Verification and Certification (Convener Y. Sheynin, UoStPetersburg)

This session was dedicated to the test, verification and simulation tools and requirements.

• MOST SpW traffic simulator – Applications and Improvements, Felix Siegle, UoJena

Session 4: SpW Backplanes (Conveners A. Senior, SEA & M. Nomachi, UoOsaka)

This session was dedicated to SpaceWire backplane application requirements, technology survey, SpW backplanes for ground systems, and other SpW backplane related issues.

• Introduction, Jørgen Ilstad, ESA/ESTEC

• SpW Backplane presentation and discussion of the work performed so far on the ESA SpW Backplane activity, Alan Senior, SEA

Session 5: System and mission requirements (Convener D. Jameux, ESA/ESTEC)

This session was dedicated to the provision of SpaceWire-related Data Handling system requirements from System Integrators and ESA mission teams.

• The need for high speed data links and networks on future payload processing, Jérôme Lachaize, Astrium

• System Requirements & use of Interrupts on SpaceWire link, Brice Dellandrea, TAS

Session 6: SpaceWire Network Management and Protocol Stacks (Conveners G. Rakow, NASA/GSFC, P. Mendham, Bright Ascension)

This session was dedicated to SpaceWire network management features and protocols such as network discovery and configuration, Electronic Data Sheets, FDIR, and SpaceWire related protocol stacks.

• Introduction: Current SpaceWire protocol stacks, Peter Mendham, Bright Ascension

• Early results of the “Network Discovery Protocols” TRP activity: network discovery and configuration requirements and draft specification, Peter Mendham, Bright Ascension

Support documents:

SpaceWire Plug-and-Play Protocol Requirements

Session 7: SpW for C&C (Conveners Ph. Armbruster, ESA/ESTEC and S. Parkes, UoDundee)

This session was dedicated to SpW-D, support to PUS time distribution, and other Command & Control issues for SpaceWire.

• Guaranteeing real-time property of SpaceWire network based on SpaceWire-D, Hiroaki Takada, Nagoya University

• Time synchronisation protocol, S. Habinc, Aeroflex Gaisler

• SpaceWire-D, Steve Parkes, UoDundee

Day 3: Wednesday 25th April (AM)

Session 8: SpW component developments (Convener Jørgen Ilstad, ESA/ESTEC)

This session was dedicated to SpaceWire component development activities.