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S-38.149 Postgraduate Course in Teletraffic Theory

S-38.149 Postgraduate Course in Teletraffic Theory. Multiwavelength Optical Networks Chapter 8: Survivability, Protection and Restoration Harald Kaaja, S31774H (email: Harald.Kaaja@Nokia.com) 27.11.2000. Homeworks (27.11.00).

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S-38.149 Postgraduate Course in Teletraffic Theory

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  1. S-38.149 Postgraduate Course in Teletraffic Theory Multiwavelength Optical Networks Chapter 8: Survivability, Protection and Restoration Harald Kaaja, S31774H (email: Harald.Kaaja@Nokia.com) 27.11.2000

  2. Homeworks (27.11.00) • 1) (1) A network is represented by a seven-vertex graph with the following edges: (1,3), (1,4), (1,5), (1,6), (2,4), (2,5), (2,7), (3,5), (3,6), (3,7) (4,6), (4,7), (5,7) and (6,7). Is it planar or nonplanar ? If it is planar, embed it in the plane and obtain the protection cycles for the network as face boundaries. If it is nonplanar, find an orientable CDC. • 2) • 3) Compare different line protection schemes: (1+1), (1:1),BLSR and Mesh. what do they protect against, topology, contstraints and deficiencies ? 16 15 20 14 12 17 19 13 11 - Find different faces for the planar case ? - How many describes the total graph ? 18 9 6 7 10 8 3 4 5 1 2 Should be returned 4.12.00

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