2001: Homework assignment 15

• General instructions
• Material
• Assignment
• Returning

• Deadline: Tuesday Dec 4th at 4pm

Material

If you use other sources than the material mentioned below, add a reference list to your homework assignment!

• Introduction to teletraffic modeling and theory
• Network management - What it is and what it isn't
• The handouts.

Important information for all: Copyright basics for Web authors and users by Jukka Korpela

Assignment:

1. Signalling and IP (8 points)

Read this first. Think about the signalling gateway for VoIP.

Now, imagine that you would like to implement a IP based PBX to control your own company's telephones. Your PBX SSP understands ISUP and INAP. You want to generate a WWW server accessible in your Intranet which is capable of controlling the SSP.

Consider a signalling gateway that is able to support the system.

1. What interfaces (I/O cards or software interfaces) are needed? (2 p)
2. Show the protocol stacks required. (4 p)
3. Describe how the WWW server interacts with your SSP.(2 p)

2. Network dimensioning (5 points)

1. What is the required capacity (bps) of the link from the concentrator to the exchange, if the target call blocking probability is 0.5% ? (3 p)
2. What PDH multiplex or SDH containers should be used? (2 p)

3. Write open and explain the meanings of these network management-related acronyms briefly (6 points)

1. CMISE
2. MIB
3. SNMP
4. EML
5. KPI
6. QA

4. Feedback (1 point)

1. How many hours did you spend doing this assignment?
2. Was this assignment too hard or too easy? Why?
3. What topics should this assignment cover next year?

Returning your answer