Abstract
The introduction of software managed networks based on synchronous digital hierarchy (SDH) and asynchronous transfer mode (ATM) technology will enable faster network reconfiguration, greater flexibility and improved control compared to existing network technologies. To increase resilience, distributed restoration algorithms (DRAs) have been proposed [1–7] which seek to restore routes autonomously within seconds following cable or node failure without intervention from a central management facility. DRAs combine the sub-second restoration speeds associated with ring and ‘N+1’ protection schemes with the minimal spare capacity requirement of network-wide restoration. They may also be designed to deal autonomously with disaster scenarios such as multiple cable breaks and node failures.
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© 1996 Springer Science+Business Media Dordrecht
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Johnson, D., Brown, G.N., Botham, C.P., Beggs, S.L., Hawker, I. (1996). Distributed Restoration. In: Cochrane, P., Heatley, D.J.T. (eds) Modelling Future Telecommunications Systems. BT Telecommunications Series, vol 7. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-2049-8_8
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DOI: https://doi.org/10.1007/978-1-4615-2049-8_8
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