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Charters : 5.04 Space Link Protocols Working Group

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Name of Group

Short Name

Area

Chairperson

Chairperson E-Mail Address

Chairperson Agency

Deputy Chairperson

Deputy Chairperson E-Mail Address

Deputy Chairperson Agency

Mailing List

Scope of Activity

Rationale for Activity

Goals

Survey of Similar Standards Efforts Undertaken in Other Bodies and elsewhere in CCSDS

Patent Licensing Applicability for Future Standards

Technical Risk Mitigation Strategy

Management Risk Mitigation Strategy

Description of Change

Kazz Greg (6/15/2015 1:41 PM): Added USLP Blue and Green Book to this charter. Removed work already completed from the charter (Proximity-1 5 year review etc)

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Name of Group

5.04 Space Link Protocols Working Group

Area

Space Link Services Area (SLS)

Chairperson

Greg Kazz

Chairperson E-Mail Address

Greg.J.Kazz@jpl.nasa.gov

Chairperson Agency

NASA

Deputy Chairperson

Mathew Cosby

Deputy Chairperson E-Mail Address

Matt.Cosby@Goonhilly.org

Deputy Chairperson Agency

UK Space Agency

Mailing List

sls-slp@mailman.ccsds.org

Scope of Activity

This WG develops and adapts wherever possible link layer protocols for new mission environments (proximity communication, formation flying, optical communication, missions utilizing high rate telemetry and telecommand.

Rationale for Activity

Develop the CCSDS next generation link layer protocol, called the Unified Space Data Link Protocol (USLP). This protocol is to support data exchange over all space communications links: space-to-ground, ground-to-space, and space-to-space. This protocol has provision for several margin enhancing capabilities including but not limited to high data rate (hundreds of Megabytes) missions and expanded Spacecraft ID Name Space.
In line with the evolutions in the CCSDS link layer protocols which occurred in the recent years, e.g., development of the Proximity-1 Space Link Protocol, it has become necessary to update and complete the Green Books related to these link layer protocols.
It is important to note that this WG maintains a very close liaison with the related Channel Coding WG and  RF & Modulation WG.

Goals

1) Develop the Unified Space Data Link Protocol (USLP) Blue Book.

2) Develop the Unified Space Data Link Protocol (USLP) Green Book.

3) Revise CCSDS 133.0-B-1 to modify and limit the scope of concepts such as Logical Data Path and APID Qualifiers.

4) Revise CCSDS 130.0-G-3 Overview of Space Communications Protocols Green Book to be consistent with the revised SPP.

In the past years, the SLP WG has completed the following goals: Updated Proximity-1 Space Link Protocol—Data Link Layer - Blue Book to Issue 5; Updated Proximity-1 Green Book to Issue 2; Updated Space Data Link Protocols Green Book to Issue 2; Updated Overview of Space Communications Protocols Green Book to Issue 3; Updated TC Space Data Link Protocol for inclusion of SDLS Requirements; Updated AOS Space Data Link Protocol for inclusion of 5-year Review and SDLS Requirements; Update the TM Space Data Link Protocol Blue Book for inclusion of 5-year Review and SDLS Requirements; Updated Space Data Link Protocol Green Book 130.2 to conform to the changes to the TC Sync and Channel Coding Blue Book.

Survey of Similar Standards Efforts Undertaken in
Other Bodies and elsewhere in CCSDS

Patent Licensing Applicability for Future Standards

There are no patents envisioned as a result of this working group. 

Technical Risk Mitigation Strategy

No technical risks have been identified.

Management Risk Mitigation Strategy

The schedule is somewhat dependent upon having the members of the Working Group provide a sufficient review of draft white, red, and green books. Another schedule risk involves getting technical editing assistance from the Document Editor on the submitted technical documentation.
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Note - To view "Draft" projects, which are not yet approved Click Here.

 Approved Projects

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Currently 12 Projects     
Document Type
Project Status
Project Phase
Modified By
Unified Space Data Link Protocol Green BookGreenOn ScheduleFirst draft circulated to WGGreg Kazz 
Overview of Space Communications Protocols, Issue 4GreenOn ScheduleFirst draft comments dueGian Paolo Calzolari 
Proximity-1 Space Link Protocol—Data Link Layer - Issue 5BlueAll Tasks CompletedProject CompletedCCSDS Tech Support 
Space Data Link Protocols Greenbook Issue 2GreenAll Tasks CompletedProject CompletedCCSDS Tech Support 
Proximity-1 Green Book Issue 2GreenAll Tasks CompletedProject CompletedCCSDS Tech Support 
AOS Space Data Link Protocol Issue 3: 5-year Review + SDLS RqmtBlueAll Tasks CompletedProject CompletedCCSDS Tech Support 
TM Space Data Link Protocol Issue 2: 5-year Review + SDLS RqmtBlueAll Tasks CompletedProject CompletedCCSDS Tech Support 
Overview of Space Communications Protocols (Issue 3) 130.0 Green BookGreenAll Tasks CompletedProject CompletedCCSDS Tech Support 
TC Space Data Link Protocol Issue 3: SDLS RqmtBlueAll Tasks CompletedProject CompletedCCSDS Tech Support 
Unified Space Data Link Protocol Blue BookBlueAll Tasks CompletedProject CompletedBrian Oliver 
Space Data Link Protocols Green Book (Issue 3)GreenAll Tasks CompletedProject CompletedCCSDS Tech Support 
Space Packet Protocol, Issue 2BlueOn ScheduleSecond draft circulated to WGGian Paolo Calzolari