понедельник, 19 мая 2014 г.

NETW 320: Converged Networks with Lab: iLab 1 of 7 (week 1): Silent Suppression



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In this lab, we will build a company intranet that consists of two locations, one located on the west coast and one located on the east coast. We will then configure the intranet to consist of data traffic and VoIP traffic and link the two networks together via an IP network. We will then analyze two scenarios, one without silent suppression and one with silent suppression.

NETW 320: Converged Networks with Lab: Week 2 Lab Report (A+ 100%)



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NETW320 -- Converged Networks with Lab Week 2 Lab Report (100% A+)
Lab # 2 Title: Silent Suppression
(Lab for Citrix-Silent Suppression)

NETW 320: Week 3 IPv4 TOS and Router Queuing Lab Report (100% A+)



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NETW 320 Converged Networks with Lab
Week 3 IPv4 TOS and Router Queuing Lab Report (100% A+)

NETW 320 Week 4 Lab Report: IPv4 TOS and Router Queuing (A+ 100%)



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NETW320: Converged Networks with Lab
Week 4 Lab Report (100% A+)
Lab #4, IPv4 TOS and Router Queuing

NETW 320:Week 5 Lab Codec Selection for Campus Network



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NETW 320 Lab Converged Networks with Lab (100% A+)
Lab #5, Codec Selection for Campus Network

NETW 320 Week 6 ilab Codec Selection for Campus Network - Part 2



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iLab 6 of 7: Codec Selection for Campus Network - Part 2

Required Lab Questions for NETW320, Codec Selection for Campus Network

This section is worth 75% of your grade for this lab. (15 questions plus screenshots)

Required Lab Summary Report for NETW320, Codec Selection for Campus Network (This section is worth 25% of your grade for this lab.)

Write a two-page summary report and use the graphs that you generated during this lab and the tables that I gave you in the introduction to the lab to support your analysis. You are also encouraged to seek additional reference material, such as your textbook and the Internet, to support your arguments. Your two-page summary report must answer the following:

Which of the codecs used in this lab would you recommend that the Campus Network Administrator implements? To answer this question, you need to consider MOS, bandwidth consumption, overall delay,
and variation delay. Use the following questions to help you decide and support your answer.

NETW 320 Week 7 Lab CODEC Selection for a WAN



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NETW320
Week 7 Lab Report (100% A+)

Lab #7, CODEC Selection for a WAN

Required Lab Questions for NETW320, Codec Selection for Campus Network (This section is worth 75% of your grade for this lab.)
Lab questions/answers #1-15 plus all required screen shots.


Required Lab Questions for NETW320, Codec Selection for Campus Network (This section is worth 75% of your grade for this lab.) (This
section is worth 25% of your grade for this lab.)

Required Lab Summary Report for NETW320, Codec Selection for Campus Network
Write a lab summary report that is a minimum of two pages,and use the graphs you generated during this lab, and the tables I gave you in the introduction to the lab, to support your analysis. You are also encouraged to seek additional reference material, such as your textbook and the Internet, to help support your arguments. Your lab summary report must answer the following:
Which of the codecs used in this lab would you recommend that the network administrator implement for the organization under analysis?

To answer this question, you need to consider MOS, bandwidth consumption, overall delay, and variation delay. Use the answers to the following questions to help you decide which codec should be used for the Internet environment and to help support your arguments.
  1. How did particular codec implementations affect FTP download response time and
    e-mail download response time? Were any of these delays significant enough to
    cause FTP users and e-mail users to become dissatisfied?
  2. Compare the amount of voice packets generated by the various codecs. What effect does
    generating more voice packets for a particular codec have on voice quality?
    Why?
  3. Use the overall delay you calculated for the three codecs used in this lab to rate
    their overall delay times with the ITU-T benchmark outlined in the introduction
    to this lab. Do all codecs fall within recommended parameters? If not, how do
    you think this delay will affect the speech quality of the VoIP traffic?
  4. Comment on the effect of your measured packet delay variation for the various codecs
    analyzed in this lab. See the comments on packet delay variation (jitter)
    outlined in the introduction to this lab. Which codecs are most affected by
    jitter in the Internet environment? Do you believe the jitter value for any of
    the codecs is high enough to degrade speech quality?