cesg-1 22 october 2008 bob durst (ad) dai stanton (dad) space internetworking services (sis) area

cesg-122 October 2008

Bob Durst (AD)Dai Stanton (DAD)

SPACE INTERNETWORKING SPACE INTERNETWORKING SERVICES (SIS) AREASERVICES (SIS) AREA


1. Space Packet Protocol Working Group

2. Asynchronous Message Service Working Group

3. Mars 2015 Interoperability Working Group

4. IP Over CCSDS Working Group

5. Motion Imagery and Applications Working Group

6. Delay Tolerant Networking Working Group

7. Voice Working Group

SIS REPORT

A. CURRENT GROUPS WITHIN AREA


*x/y x = registered; y = attended.

SIS REPORT

B. ATTENDANCE METRICS

SIS

IPO WG AMS WG Voice WG DTN WG MIA WG Plenary

Secretariat 1 1

BNSC 1 1 3

CNES 2 1

CSA

DLR 1 1 1

ESA 2 1 1 4 1 1

FSA 1 1 1 1

JAXA 2

USA 8 7 5 14 5 18

Total 12 11 8 22 8 25

MeetingDuration

1 day 2.5 days 1 day 1 day 1 day 1 day

AgencyDiversity

3 4 4 5 4 5


1. Space Packet Protocol WG

Goals: • Did not meet

Working Group Status:

• Green Book complete and in final editing

• Pink Sheets in CESG Review

Working Group Summary Situation:

• Will move to dissolve when Pink Sheet ballot is completestatus: OK CAUTION PROBLEM

comment: Work complete

SIS REPORT

C. SUMMARY TECHNICAL STATUS


2. Asynchronous Message Service WG

Goals: • Discuss ESA/SciSys and CNES implementations• Interoperability testing• Specification discussions

Working Group Status:

• Interoperability testing under way: 1 spec change and 1 clarification found to date

• Spec review yielded 11 clarifications to Red Book, ready for Agency Review by May 2009 or earlier (interoperability testing completes end of March)

• Reviewed draft Green Book

Working Group Summary Situation:status: OK CAUTION PROBLEM

comment: Ahead of schedule.

SIS REPORT

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AMS WG Findings

• The AMS WG endorses the AMS profile on which the SOIS MTS prototype is built

• Funding permitting, the AMS WG recommends initiation of ESA/SciSys – JHU/APL interoperability testing over SOIS packet service. To be completed before the spring meetings.

• We recommend that further JPL/GSFC/MSFC interoperability testing be conducted face-to-face some time in January, location TBD. On track to report test results by March 30 as scheduled.

• Plan to revise spec by December 15, publish Green Book on March 30, and start final agency (Blue Book) review per Charter schedule.


3. Mars 2015 Interoperability WG

Goals: • Did not meet

Working Group Status:• Green book complete

• Resources not available for Magenta Book, work covered by Cross Support Architecture WG.

• Motion to close WG forthcoming

Working Group Summary Situation: Moribund

status: OK CAUTION PROBLEM

comment:

SIS REPORT


4. IP Over CCSDS WG

Goals: • Develop a CCSDS recommended best practice document for

how to transfer IP datagrams over the 4 CCSDS link layer protocols.

Working Group Status:• IP over CCSDS Red-3 currently in Agency Review• Consensus achieved on NASA-RID on IP over ENCAP

• Requires Pink Sheet to add Internet Protocol Extension (IPE) PID plus normative Annex to Space Link Identifers BB, and remove IPv6 PID from same

• These actions complete the technical work of the group



comment: Good

SIS REPORT


5. Motion Imagery and Applications WG

Goals: • Review draft Green book text• Achieve consensus on forward work (Magenta or Blue Book)• Plan Spring ‘09 meeting timing and location

Working Group Status:• Reviewed June 23-27 visits to Columbus Control Center, European

Astronaut Center, and the ATV Control Center• Reviewed content of Green Book, made writing assignments• Settled on Magenta Book rather than Blue Book• Reviewed plan for interim meeting



comment: On schedule for GB publication.

SIS REPORT


6. Delay Tolerant Networking WG

Goals: • Review working group charter and status.• Review draft Green Book.• Discuss RFC5050 applicability and any deficiencies• Agree on documents the WG will produce and way forward

Working Group Status:• Reviewed draft Green Book, including comments by JAXA and

ESA.• Need identified to provide additional books on Application

Utilization (Magenta) and DTN Routing (Blue). Charter mod required.



comment: On Schedule.

SIS REPORT


7. Voice WG

Goals: • Review results of agency survey• Sanity check schedules• Review draft White Book

Working Group Status:• Voice communication survey preliminary results reviewed.• Reviewed White Book Draft, conclusions:

• Need separate drafts for the proposed Green and Magenta books. • An analysis by segment has been engaged that considers the

breadth of earth – habitat – in-space nodes in regard to voice communication.

• Assigned actions for Green Book document content.



comment: On Schedule.

SIS REPORT

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Cross Area Meetings for Spring ‘09

• SIS-SLS: Determine interest and need for pursuing Robust Header Compression (ROHC) for CCSDS Links

• SIS-CSS: Support development of Cross-Support Services Architecture, particularly focusing on in-space cross-support

• SIS-SOIS, SIS-MOIMS: Joint meetings between AMS WG SOIS ASS WG; AMS WG and SMC WG

• SIS-SLS: High rate uplink requirements versus Video requirements; Voice emergency link requirements – between meetings Voice and MIA to contact HRU Chair

22 October 2008

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Forthcoming Resolutions from SIS to CESG

• (Via SLS): Ballot Pink Sheets from Space Packet Protocol WG

• Dissolve Mars WG

• Ballot Space Link Identifiers Pink Sheets and publish IP Over CCSDS Magenta Books

22 October 2008


1. AMS Interoperability testing proceeding well, overall WG ahead of schedule

2. Mars Interoperability and IP Over CCSDS have completed their technical work and will close

3. SIS welcomes Mr. Ivan Antonov, FSA/Roscosmos, as the Deputy Chair of the Voice WG and as a contributor to the Voice and Motion and Imagery Applications WGs

SIS REPORT

D. SUMMARY: MAJOR ACCOMPLISHMENTS, F’08 MEETING

cesg-1 22 october 2008 bob durst (ad) dai stanton (dad) space internetworking services (sis) area

Documents

working group status

group sis report

cesg review

interoperability wg

complete status

ccsds wg goals

summary technical status

good sis report slide