Traffic Engineering – Voice/Data
- Review of Important Telecommunications Concepts
- Brief history of telecommunications
- Telecommunications systems
- What is capacity?
- What is capacity planning and why is it performed?
- What are trunks?
- What is multiplexing?
- What are trunk groups?
- What are switches?
- What is a class 5, a class 4 switch?
- Overview of packet data networks
- What is a router?
- What is a bridge?
- What is a host?
- Overview of Telecommunications Transport Technologies
- Overview of the T-Carrier system
- Overview of the optical carrier system
- Ethernet
- ATM
- Frame Relay
- Services and Their Traffic Requirements
- Services definitions and resulting traffic types
- Voice and data challenges
- Real-time versus non-real-time applications
- Store and forward/buffering
- Synchronization, delay, and jitter
- Principles of Voice Traffic Engineering
- What is an Erlang?
- Basics of probability and queuing theory
- Randomness
- Erlang B
- Extended Erlang B
- Erlang C
- Basic exercises in using the Erlang tables
- Erlang efficiency curves and relation to trunking
- Optimization exercises for trunk utilization
- Practice traffic engineering exercises: Traffic, blocking, lines
- Principles of Data Traffic Engineering
- Services definitions
- Traffic signatures
- Real-time versus non-real-time
- Bandwidth calculators
- Impact of transmission networks to service assurance
- Correcting for different transmission media to meet bandwidth requirements
- Impact of buffers
- Buffer analysis and planning
- Practice traffic engineering exercises: Services mix, rate of arrival, bandwidth calculations
- Principles of VoIP/Data Engineering
- What is VoIP?
- How does VoIP differ from other applications?
- What are the services requirements of VoIP?
- What other applications are similar, or not similar, to VoIP?
- Traffic simulators overview
- Traffic simulator output and meaning
- Impact of network design, optimization and planning
- Buffer analysis
- Final bandwidth calculations
- Practice traffic engineering exercises: Class of service, QoS, services mix, rate of arrival, bandwidth calculations
- Wrap-up: Course Recap, Q/A, and Evaluations
