# ISO/IEC TR 9577:1993 — Withdrawn and superseded ISO standards

For ISO/IEC TR 9577:1993, item title is Information technology — Telecommunications and information exchange between systems — Protocol identification in the network layer; status code is 9599; successor is ISO/IEC TR 9577:1996; withdrawn / published date is 1993-09-30, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC TR 9577:1993 _(verified: appears in the quote below)_
- **Item title:** Information technology — Telecommunications and information exchange between systems — Protocol identification in the network layer _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC TR 9577:1996
- **Withdrawn / published date:** 1993-09-30 _(verified: appears in the quote below)_

## What the source says

> 22417,TR,,ISO/IEC TR 9577:1993,Information technology — Telecommunications and information exchange between systems — Protocol identification in the network layer,Technologies de l'information — Télécommunications et échange d'informations entre systèmes — Identification du protocole dans la couche réseau,1993-09-30,2,['35.100.30'],ISO/IEC JTC 1/SC 6,9599,,[28581],['en'],12,

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).