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OPNET VoIP Simulation - Proof of Concept

Hello & thanks for looking. My company requires a working solution for the following prior to a VoIP pilot;

Using VoIP codecs [url removed, login to view], [url removed, login to view] & [url removed, login to view], please run a simulation (min 1 day, max period 1 week) of current internal only voice traffic over data network. Between 350-450 calls per day, per site. Simulation must allow for 25% growth in network usage.

Statistics, observations and screenshots will be a required deliverable for network traffic, delay, jitter etc with varying packet sizes.

Documents in Microsoft Word format please.

Part working solution required by the 4th February please.

Would interested parties please state their experience with OPNET and VoIP technologies along with their suitability for the project. Many thanks to all.

Detailed Requirements:

OPNET VoIP Simulation

Network Description

3 sites; PR, KP, KH. 1 Router/Voice Gateway per site with diverse routes. 3 sites triangulated.

1GB intersite links. All calls point to point & internal (no access to PSTN required for simulation)

50 users in total with the following split; PR-20 users, KH-20 users, KP-10 users.

X 2 VLANs for each site; Academic & Infrastructure. VLANs are port based. Equal staff divide between each VLAN e.g PR – 10 staff in Academic & 10 in Infrastructure.

Layer 3 switches, no hubs. 100MB fast ethernet network with 1GB core on each router. Network is full duplex.

Address Range

Private Class B required.

Network Traffic

HTTP – heavy, Email – medium, Applications (SQL, Microsoft etc) – heavy

Protocols – TCP, UDP, TFTP, Telnet, SNMP

Servers – DNS x 1 at PR, x 1 at KH. Exchange (same), Web (same), Databases (same)

Voice Requirements & Codecs

[url removed, login to view] (no compression), [url removed, login to view], [url removed, login to view]

Calls per site; 350-450 per day over 8 hour period

Simulation Requirements

Simulation to start at 10 calls per site then add 3 calls every 5 seconds up-to max calls per site.

Simulation period should run over 1 day and 1 week.

QoS required with priority queueing for simulation.

Please allow 25% growth in network capacity/usage.

Required Global Statistics and Screenshots

Observations on jitter, delay, packet loss and end-to-end delay on all codecs through network

Total packet loss (daily & weekly) Monday – Friday

Total jitter (daily & weekly)

1. Packet loss for EACH codec with; 64, 128 & 200 byte packet size (daily & weekly)

Throughput Vs number of calls for each codec for above (daily and weekly)

2. Total packet loss for EACH codec with 512 and 1000 byte packet size (daily & weekly)

2. Throughput Vs number of calls for each codec for above (daily & weekly)

3. Jitter Vs number of calls for each codec at 64, 128, 200, 512 & 1000 byte packet size (daily & weekly)

End to end delay Vs number of calls for each codec at 64, 128, 200, 512 & 1000 byte packet size (daily & weekly)

Network Statistics required for the following;

Mail, Web, FTP traffic

Peak rate traffic measurements between all links with bit rate, packet loss and total network utilisation.

Routers; Statistics on health, performance, & behaviour. Performance of IP traffic, CPU utilisation, processing delay, queue size in packets & bytes and queuing delay.

Skills: Cisco, VoIP

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About the Employer:
( 0 reviews ) Netherlands

Project ID: #12213919

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