3-Dimensional Single Active Layer Routing

  • Authors:
  • András Recski;Dávid Szeszlér

  • Affiliations:
  • -;-

  • Venue:
  • JCDCG '00 Revised Papers from the Japanese Conference on Discrete and Computational Geometry
  • Year:
  • 2000

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Abstract

Suppose that the terminals to be interconnected are situated in a rectangular area of length n and width w and the routing should be realized in a box of size w驴脳n驴脳h over this rectangle (single active layer routing) where w驴 = cw and n 驴 n驴 驴 n + 1. We prove that it is always possible with height h = O(n) and in time t = O(n) for a fixed w and both estimates are best possible (as far as the order of magnitude of n is concerned). The more theoretical case when the terminals are situated in two opposite parallel planes of the box (the 3-dimensional analogue of channel routing) is also studied.