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a failed link (case1), or a new link added between two ports for network growth (case2). In case 1, PBS finds the VPIs, , that were inacti-vated by the selective freeze procedure when the link failure occurred. For each VPI in the set PBS performs a selective-unfreeze to the nodes downstream from itself in order to restore these VPIs back to their active(More)
Abstmct-Rednet provides portable computers with an incxpensivc wireless network connection. It is designed to support seamless end-to-end communication using the Asynchronous Transfer Mode (ATM). Rednet uses a Iow-power infrared transceiver operating at 2-5 Mbps over a distance of 4 meters. The link layer protocol supports link sharing and transport of ATM(More)
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