We present models and methods for the design and dimensioning of a survivable metropolitan Agile All-Photonic Network (AAPN). This paper discusses the layered topology that is comprised of a set of overlaid star/star networks, with an optical core space switch at each of the star centres, hybrid photonic/electronic switches at the edges, and Multiplexer/Selectors in between. Network cost is minimized while taking into consideration performance criteria such as delay and reliable traffic restoration upon network failure. A mixed integer linear programming formulation is presented for core node placement and link connectivity to determine the near cost optimal designs. Network models and their performance were evaluated with a set of software tools and methodologies to design and dimension our vision of an AAPN.
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