Draft 03: Describe UUIDv7 usage of rand_a as counter in method 1

[kyzer-davis]

Change Proposal Template

Source (Select one.)

• [ ] IETF Published Draft
• [x] Work in Progress Draft

Change Reason (Select all that apply.)

• [ ] Typos and grammatical issues
• [ ] Bad Reference
• [ ] IETF Verbiage modification (MAY, MUST, SHOULD, SHOULD NOT, etc)
• [x] New Text for additional context
• [ ] Underlying XML Format Update
• [ ] ASCII diagram updates (artwork, code samples, etc.)

Draft Number, Full Section, Name

Draft 03, Section 5.2. Monotonicity and Counters

Current Text:

Fixed-Length Dedicated Counter Bits (Position A):
[..snip..]
  UUIDs utilizing this method should be created using UUIDv8.

Proposed Text:

Fixed-Length Dedicated Counter Bits (Position A):
[..snip..]
  With this method the rand_a section of UUIDv7 MAY be utilized as fixed-length dedicated counter bits.

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Other Supporting information below:

From discussions in #60