Found 2 records.

Status: Verified (1)

RFC 2638, "A Two-bit Differentiated Services Architecture for the Internet", July 1999

Errata ID: 5361
Status: Verified
Type: Editorial
Publication Format(s) : TEXT
Reported By: Greg Skinner
Date Reported: 2018-05-15
Verifier Name: Mirja Kühlewind
Date Verified: 2018-05-16

Section Appendix says:

After the draft-nichols-diff-svc-00 was submitted, the co-authors had
a discussion with Dave Clark and John Wroclawski which resulted in
Clark's using the presentation slot for the draft at the December
1997 IETF Integrated Services Working Group meeting.

It should say:

After the draft-nichols-diff-svc-arch-00 was submitted, the co-authors
had a discussion with Dave Clark and John Wroclawski which resulted in
Clark's using the presentation slot for the draft at the December
1997 IETF Integrated Services Working Group meeting.

Notes:

The original text refers to a draft that never existed.

Status: Reported (1)

RFC 2638, "A Two-bit Differentiated Services Architecture for the Internet", July 1999

Errata ID: 5359
Status: Reported
Type: Technical
Publication Format(s) : TEXT
Reported By: Greg Skinner
Date Reported: 2018-05-15

Section 9 says:

[10] D. Clark and W. Fang, "Explicit Allocation of Best Effort packet
       Delivery Service", IEEE/ACM Transactions on Networking, August,
       1998, Vol6, No 4, pp. 362-373. also at: http://
       diffserv.lcs.mit.edu/Papers/exp-alloc-ddc-wf.pdf

It should say:

[10] D. Clark and W. Fang, "Explicit Allocation of Best Effort
packet Delivery Service", IEEE/ACM Transactions on Networking,
August, 1998, Vol6, No 4, pp. 362-373. also at:
https://web.archive.org/web/20000816232212/
http://diffserv.lcs.mit.edu:80/Papers/exp-alloc-ddc-wf.pdf 

Notes:

The diffserv.lcs.mit.edu web server is no longer available. However, the paper can be accessed via the Internet Archive. (I needed to split the last sentence of the corrected text so it would be accepted by the errata tool.) If using Internet Archive links is not permitted or recommended, I would accept just omitting the last sentence ("also at: ...) altogether. The article is available at https://dl.acm.org/citation.cfm?id=288401&dl=ACM&coll=DL, but it is behind a paywall.

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