Download JNTUA M.Tech 2nd Sem 2017 Feb 9D08204 Optical Networks Question Paper

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Code: 9D08204

M.Tech II Semester Supplementary Examinations January/February 2017
OPTICAL NETWORKS
(Computer Networks)

Time: 3 hours Max. Marks: 60

Answer any FIVE questions
All questions carry equal marks
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1 Discuss the issues in wavelength routed network.

2 Explain wavelength reservation method. Explain limited alternate
routing.

3 Explain analytical model of KovaCevic and Acampora.

4 (a) What are the routing strategies in an optical network? Give
examples.
(b) Explain about rerouting in WDM networks with sparse wavelength
conversion.

5 Discuss limitations of virtual topology and explain its formulation.

6 (a) With necessary diagrams explain about backup ? multiplexing
based routing.
(b) Discuss about restoration network design by Nagatsu et.al. with
examples.

7 (a) Discuss about multicast tree generation in a network with full
splitting capability.
(b) Discuss about Steiner-based tree generation with examples.

8 Distinguish between IP over ATM, over SONET and IP over SONET.

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