Capita selecta programmatuur: Broadband communication
“Broadband Communication†Francqui KULeuven 2005-2006 by Piet Demeester
General information on examination
Material for the examination
All the lectures
- Inaugural lecture
- Internet support for multimedia flows
- Access Networks
- Optical Networks
- Mobile Networks
- Grid Computing
- Reliability of Communication Networks
Publications
- Internet support for multimedia flows:
- The Session Initiation Protocol: Internet-Centric Signaling (Schulzrinne, Rosenberg)
- On the building blocks of quality of service in heterogeneous IP networks(Soldatos, Vayias, Karmentzas)
- Access Networks:
- Media Access Control for Ethernet Passive Optical Networks: An Overview(Zheng, Mauftah)
- Mobile Networks:
- IP Micro-Mobility Protocols (Reinbold, Bonaventure)
- Grid Computing:
- A Gentle Introduction to Grid Computing and Technologies (Buya, Venugopal)
- Reliability of Communication Networks
- Benefits of GMPLS for Multilayer Recovery (Puype et.al.)
Examination
- Closed book exam: 70% from list of questions (see below), 30% not from list
- Open book (slides, notes, publications allowed): e.g. questions that link different subjects together or small exercises
- Evaluation: roughly 70% closed book, 30% open book
- Duration: 3 hours
- Illustrate your answers with clear figures (when appropriate)
List of Questions
- The whole question or a part of a question may be asked
- Some questions are related to the publications that are listed above (they are indicated in italic)
Internet support for multimedia flows
Explain the principle of and relation between a user plane and a control plane in classical telephony.
Describe 3 cases where VoIP is used.
What is SDP.
Explain the general principle of SIP and give the basic building blocks.
An example of a SIP message is given during the exam: explain.
Give 2 specific problems when the Internet is used for voice. What are (partial) solutions to these problems.
How does RTP resolve timing problems encountered when transporting voice or video over internet.
Explain the principle of a QoS aware IP router.
Explain classification, shaping, policing, queueing, scheduling, buffer management as used in a QoS aware IP router.
Explain the principle of 2 techniques used to support flow differentiation in IP networks.
Explain the operation of MPLS.
Explain the principle of VOQ (Virtual Output Queue) and why is it used.
Access Networks
Explain the evolution of a classical telephone access network towards a triple play enabled access network.
Explain the ADSL architecture (figure from ITU-T rec G.992.1 will be given).
Explain the principle of DMT and QAM.
Explain the basic principles of : CRC, scrambling, FEC.
Explain in detail FEC (coding and decoding).
Explain the evolution of a classical coax access network (CATV) towards a triple play enabled access network.
Explain the basic principle of MPCP in E-PON. Give 3 polling policies.
Explain DBA in E-PON.
Optical Networks
- Optical Packet Switching is not part of the examination subject matter