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- Network Working Group Robert Kahn
- RFC-29 BBN
- 19 January 1970
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- This note is in response to Bill English's Request for Comments: 28.
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- A "millisecond" clock should be satisfactory for most network measurements.
- Round-trip message transit times typically should be at least on the
- order of tens to hundreds of milliseconds. The IMP contains a 16-bit
- hardware clock which is incremented every 100 microseconds to allow for
- timing of internal events within the IMP, as for example, during tracing.
- However, most measurements are made using a 25.6 ms. software clock.
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- DISTRIBUTION:
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- A. Bhushan, MIT
- S. Carr. Utah
- G. Cole, SDS
- S. Crocker, UCLA
- K. Fry, MITRE
- J. Heafner, RAND
- B. Kahn, BBN
- T. O'Sullivan, Raytheon
- L. Roberts, ARPA
- P. Rovner, LL
- R. Stoughton, UCSB