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Course ID, Duration, and Instructor(s)

B-TRAFFIC, 3 days, James Cavanagh (click instructor photo(s) to see their bios)

Course Platform, Materials, and Certification:

• This is an instructor-led course taught onsite at the Booz Allen campus or an offsite facility chosen by BAH.
• The course consists of two days of interactive lecture followed by a day-long workshop. To be able to participate in the hands-on activities, please bring a wireless-enabled laptop to the class. If using a company computer, please make sure beforehand that you have full administrative rights to install new software on the computer.
• You will be provided with a Participant Handbook containing a copy of the course presentation, exercises and laboratory guide, useful URLs and reading list, and other helpful materials.
• If you attend the entire program and complete all of the assigned lab work, you will receive an Eogogics course completion certificate.

Aimed At

Those designing, architecting, supporting, and planning QoS-aware multimedia wireless and wireline networks with an emphasis on the networks based on the Internet Protocol (IP). This course is part of the following Booz Allen programs:

• Expert Certification: Wireless Broadband Communications

Prerequisites

Solid understanding of circuit, cell and packet networking concepts and protocols, broadband networking, Quality of Service (QoS) and Quality of Experience (QoE), and at least two years experience designing and implementing networks.

Course in a Nutshell

This course includes an intensive two-day long tutorial followed by a full day of workshop activity. You will begin by understanding the key concepts and techniques of traffic engineering. You will then learn to apply those techniques to the traffic engineering of QoS-aware multimedia networks. We will conclude with a day of exercises using actual network simulation tools. The exercises will be carefully chosen to reinforce what you learned in the first two days of the course.

To be able to participate in the hands-on activities, please bring a wireless-enabled laptop to the class. If using a company computer, please make sure beforehand that you have full administrative rights to install new software on the computer. The course relies heavily on instructor/class interaction and lab exercises to make sure that you get the most out of this class and can apply the material back on your job. So come prepared to ask questions and dig into the discussions and labs.

Course Outline

Day 1: Traffic Engineering Concepts

• Traffic Engineering Techniques
  • Overview
  • Circuit
  • Cell
  • Packet
  • Switch/Router Issues
  • Access and Admission
  • Backbone
  • Internetworking
  • QoS/QoE Issues
• Traffic Distributions and Metrics
  • Busy Hour Traffic (BHT) Measurement
  • Busy Hour Call Attempts (BHCA)
  • “Best Effort” Metrics
  • Traffic Engineering Focus Points
    • Access
    • Backbone
    • Interconnection
• Doing the Math
  • Blocking Rates
  • Grade of Service (GoS)
  • Quality of Service (QoS)
  • The Erlangs
    • Erlang B
    • Extended Erlang B Calculation (EEB)
    • Equivalent Queue, Extended Erlang B (EQEEB)
    • Erlang C
  • Engest Calculation
  • Poisson Calculation
  • Binomial Calculation
• Provisioning
  • Circuit/TDM
  • Cell/ATM
  • Packet/IP
  • Internetworking
• Traffic Engineering Exercise
  • Group and/or individual exercise: Engineering access and backbone for basic enterprise network environment. Objective is to size access for optimum QoS/QoE and price/cost trade-offs.
    
    

Day 2: Applying the Traffic Engineering Toolkit

• Multimedia
  • Data Only
  • Voice Only
  • Video Only
  • Data and Voice
  • Data, Voice, and Video
• Services and Class of Service (CoS)
  • Service Definitions
  • Service Level Agreements (SLAs)
    • Availability
    • Packet Delivery
    • Delay
    • Delay Variation
    • Service-Specific Metrics
  • SLA Importance and Use
• QoS Portfolio
  • Prioritization
    • IP CoS / DiffServ (Differentiated Services)
    • 802.1 p/q (LAN Switching Prioritization and VLAN)
    • Weighted Fair Queuing/Class Based Weighted
    • Fair Queueing (WFQ/CBWFQ)
    • Low Latency Queueing (LLQ/DLLQ)
    • Priority Queueing (PQ)
    • Packet Fragmentation/Segmentation
    • Frame Relay Priority PVCs and RTP Priority
    • ATM CoS
    • Intserv / RSVP (IP Reservation Protocol)
    • Other Representative Techniques
  • Bandwidth Reservation
    • Bandwidth Reservation (VoDSL)
    • TDM Bandwidth Reservation (Packet Cable)
    • RSVP
  • Route Optimization
    • MPLS / gMPLS
    • RSVP/RSVP-TE
  • Hybrid(s)
• Multimedia Traffic Engineering Exercise
  
  

Day 3: Hands-On Traffic Engineering

Automated network design and traffic engineering tools will be used in a “real world” scenario to model and simulate a multimedia IP network. The exercise will allow the participants to experiment on their own and run “what-if” type scenarios optimizing different aspects of network performance influenced by traffic engineering. Periodic milestones will be marked by group lab debriefs during which participants will share their ongoing progress. There are three levels of Hands-On Traffic Engineering labs geared to the experience and knowledge level of the learner. All learners will have a common debrief regardless of the level of difficulty of their lab exercise.

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