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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 4 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Consider a multicomputer in which the network interface is in user mode, so only three copies are needed from source RAM to destination RAM. Assume that moving a 32-bit word to or from the network interface board takes 20 nsec and that the net work itself operates at 1 Gbps. What would the delay for a 64-byte packet being sent from source to destination be if we could ignore the copying time? What is it with the copying time? Now consider the case where two extra copies are needed, to the ker nel on the sending side and from the kernel on the receiving side. What is the delay in this case?
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