[Sis-dtn] BPv7 RIDs and Updates

[Felix Flentge]

Hi,

I would propose the following wording (making clear that we are not deviating from RfC 9171 and aligning terminology):

NOTE: Implementations may choose to use to manage a single, global timestamp sequence counter or manage individual timestamp sequence counters for disjunct sets of source node IDs . Sequence counters may be reset to zero whenever the current time advances by one millisecond. The combination of source node ID and bundle creation time stamp can serve as a unique ID for an individual bundle.

Regards,
Felix

From: SIS-DTN <sis-dtn-bounces at mailman.ccsds.org> On Behalf Of Jackson, Jonathan W. (MSFC-HP27)[MOSSI2] via SIS-DTN
Sent: Thursday, June 27, 2024 6:44 PM
To: sis-dtn at mailman.ccsds.org
Subject: [Sis-dtn] BPv7 RIDs and Updates
Importance: High

Hello All,

Attached is the updated BPv7 book and RID spreadsheet for Final Reviews.
We've drafted the following note for RID 115 based on our discussion during today's telecon:

RID#
Paragraph Number
RID Short Title
From
To
Supporting Analysis
115
4.3.4
Creation Timestamp Sequence Number Clarification
The creation timestamp shall comprise the bundle creation time and the creation timestamp sequence number.
The creation timestamp shall comprise the bundle creation time and the creation timestamp sequence number.

NOTE: Implementations may choose to use the source node id and the creation timestamp sequence number. However, a global counter or a separate counter for each fully qualified source node ID is possible.
Without this wording there is enough ambiguity to allow for implementors to either associate the sequence number of the creation timestamp to a global counter which is the intent or on a per service basis potentially leading to unintended behavior.


Please let me know if you have any comments or questions.


Thanks,
Jonathan
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