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IETF RFC 4963
[ACTIVE]

IPv4 Reassembly Errors at High Data Rates

Metadata

Publisher
IETF
Doc Type
Informational
Pages
10
Abstract
IPv4 fragmentation is not sufficiently robust for use under some conditions in today's Internet. At high data rates, the 16-bit IP identification field is not large enough to prevent frequent incorrectly assembled IP fragments, and the TCP and UDP checksums are insufficient to prevent the resulting corrupted datagrams from being delivered to higher protocol layers. This note describes some easily reproduced experiments demonstrating the problem, and discusses some of the operational implications of these observations. This memo provides information for the Internet community.
Publication Date
2007-07-01
Status Note
Informational
DOI
10.17487/RFC4963
Link
https://doi.org/10.17487/RFC4963
Author(s)
John Heffner
Matt Mathis
Ben Chandler
Latest version of IETF RFC 4963

Document Versions — IETF RFC 4963

  • ▶ IETF RFC 4963 (2007-07-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

Bibliographic Reference(s)

  • Kent, C. and J. Mogul, "Fragmentation considered harmful", Proc. SIGCOMM '87 vol. 17, No. 5, October 1987. EXTERNAL
  • Stone, J., Greenwald, M., Partridge, C., and J. Hughes, "Performance of Checksums and CRC's over Real Data", IEEE/ ACM Transactions on Networking vol. 6, No. 5, October 1998. EXTERNAL
  • He, E., Alimohideen, J., Eliason, J., Krishnaprasad, N., Leigh, J., Yu, O., and T. DeFanti, "Quanta: a toolkit for high performance data delivery over photonic networks", Future Generation Computer Systems Vol. 19, No. 6, August 2003. EXTERNAL
  • Bellovin, S., "A Technique for Counting NATted Hosts", Internet Measurement Conference, Proceedings of the 2nd ACM SIGCOMM Workshop on Internet Measurement, November 2002. EXTERNAL
  • Stone, J. and C. Partridge, "When The CRC and TCP Checksum Disagree", Proc. SIGCOMM 2000 vol. 30, No. 4, October 2000. EXTERNAL
  • IETF RFC 791 [Active*]
  • IETF RFC 1191 [Active*]
  • IETF RFC 2460 [Superseded*]
  • IETF RFC 2923 [Active*]
  • IETF RFC 2960 [Superseded*]
  • IETF RFC 4251 [Active*]
  • IETF RFC 4301 [Active, Amended*]
  • IETF RFC 4302 [Active*]
  • IETF RFC 4459 [Active*]
  • IETF RFC 4821 [Active*]
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IETF RFC 4963, IPv4 Reassembly Errors at High Data Rates. Available at https://doi.org/10.17487/RFC4963
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IETF RFC 4963, IPv4 Reassembly Errors at High Data Rates. Available at https://doi.org/10.17487/RFC4963

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IETF RFC 4963, IPv4 Reassembly Errors at High Data Rates. Available at https://doi.org/10.17487/RFC4963
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<span class="citation"><cite>IETF RFC 4963</cite>, IPv4 Reassembly Errors at High Data Rates. Available at <a href="https://doi.org/10.17487/RFC4963" target="_blank" rel="noopener">https://doi.org/10.17487/RFC4963</a></span>

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IETF RFC 4963, IPv4 Reassembly Errors at High Data Rates
doi: 10.17487/RFC4963
url: https://doi.org/10.17487/RFC4963
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<cite id="bib-rfc4963">IETF RFC 4963</cite>, IPv4 Reassembly Errors at High Data Rates
<span class="doi">10.17487/RFC4963</span>
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