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RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)

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RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)

Summary

RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised) is a Request for Comments[1].

Key Facts

  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised) authored Mobile IPv4 Challenge/Response Extensions (Revised) — author (P50): Charles E. Perkins[2].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s instance of is recorded as Mobile IPv4 Challenge/Response Extensions (Revised) — instance of (P31): Request for Comments[3].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s publisher is recorded as Mobile IPv4 Challenge/Response Extensions (Revised) — publisher (P123): Internet Engineering Task Force[4].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s based on is recorded as Mobile IPv4 Challenge/Response Extensions (Revised) — based on (P144): RFC 3344: IP Mobility Support for IPv4[5].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s DOI is recorded as 10.17487/RFC4721[6].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s language of work or name is recorded as Mobile IPv4 Challenge/Response Extensions (Revised) — language of work or name (P407): English[7].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s publication date is recorded as +2007-01-01T00:00:00Z[8].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s RfC ID is recorded as 4721[9].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s work available at URL is recorded as https://tools.ietf.org/html/rfc4721[10].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s work available at URL is recorded as https://tools.ietf.org/rfc/rfc4721.txt[11].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s work available at URL is recorded as https://www.rfc-editor.org/rfc/rfc4721.txt[12].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s work available at URL is recorded as https://www.rfc-editor.org/pdfrfc/rfc4721.txt.pdf[13].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s number of pages is recorded as {'unit': '1', 'amount': '+26'}[14].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s replaces is recorded as Mobile IPv4 Challenge/Response Extensions (Revised) — replaces (P1365): RFC 3012: Mobile IPv4 Challenge/Response Extensions[15].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s title is recorded as Mobile IPv4 Challenge/Response Extensions (Revised)[16].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s author name string is recorded as P. Calhoun[17].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s author name string is recorded as J. Bharatia[18].
  • RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s DBLP publication ID is recorded as journals/rfc/rfc4721[19].

Body

Designation and Status

RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)'s instance of is recorded as Mobile IPv4 Challenge/Response Extensions (Revised) — instance of (P31): Request for Comments[3].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . RFC Index. Retrieved . wikidata.org.
  2. [2] ↑ . RFC Index. Retrieved . wikidata.org.
  3. [4] ↑ . RFC Index. Retrieved . wikidata.org.
  4. [5] ↑ . RFC Index. Retrieved . wikidata.org.
  5. [6] ↑ . RFC Index. Retrieved . wikidata.org.
  6. [7] ↑ . RFC Index. Retrieved . wikidata.org.
  7. [8] ↑ . RFC Index. Retrieved . wikidata.org.
  8. [9] ↑ . RFC Index. Retrieved . wikidata.org.
  9. [10] ↑ . RFC Index. Retrieved . wikidata.org.
  10. [11] ↑ . RFC Index. Retrieved . wikidata.org.
  11. [12] ↑ . RFC Index. Retrieved . wikidata.org.
  12. [13] ↑ . RFC Index. Retrieved . wikidata.org.
  13. [14] ↑ . RFC Index. Retrieved . wikidata.org.
  14. [15] ↑ . RFC Index. Retrieved . wikidata.org.
  15. [16] ↑ . RFC Index. Retrieved . wikidata.org.
  16. [17] ↑ . RFC Index. Retrieved . wikidata.org.
  17. [18] ↑ . RFC Index. Retrieved . wikidata.org.
  18. [19] ↑ . DBLP Dataset 2021-01-02. Retrieved . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised). Retrieved May 3, 2026, from https://4ort.xyz/entity/rfc-4721-mobile-ipv4-challenge-response-extensions-revised-
MLA “RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised).” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rfc-4721-mobile-ipv4-challenge-response-extensions-revised-.
BibTeX @misc{4ortxyz_rfc-4721-mobile-ipv4-challenge-response-extensions-revised-_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised)}}, year = {2026}, url = {https://4ort.xyz/entity/rfc-4721-mobile-ipv4-challenge-response-extensions-revised-}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): RFC 4721: Mobile IPv4 Challenge/Response Extensions (Revised) — https://4ort.xyz/entity/rfc-4721-mobile-ipv4-challenge-response-extensions-revised- (retrieved 2026-05-03)

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