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In this chapter, we use an asymptotic analysis similar to the sphere-packing argument in the proof of Shannon’s channel capacity theorem to derive optimal provisioning requirements for networks with both static and dynamic provisioning. We consider an N-user shared-link model where Ws wavelengths are statically assigned to each user, and a common pool of Wd wavelengths are available to all users. We derive the minimum values of Ws and Wd required to achieve asymptotically non-blocking performance as the number of users N becomes large. We also show that it is always optimal to statically provision at least enough wavelengths to support the mean of the traffic.
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- Geometric Capacity Provisioning for Wavelength-Switched WDM Networks
- Springer London
- Chapter 3
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