Abstract
Virtual paths (VPs) facilitate rapid movement of end-to-end traffic streams in ATM networks by keeping processing at intermediate nodes at a minimum. For low volumes of traffic, however, VPs may suffer from poor statistical multiplexing gain, and thus result in low utilisation of transmission resources. Balancing between processing and utilisation, we study a procedure whereby lightly loaded VPs are decomposed into at most two segments, which require only one intermediate switching for an end-to-end traffic stream. The resulting segments are then aggregated with other segments or existing VPs. The resulting VPs can thus achieve higher multiplexing efficiency for marginally increased processing. For our test networks, experimental results show that about 95% of the lightly loaded VPs will be decomposed and aggregated by our procedure. When applied to networks where the VPs are adjusted over time to meet traffic variations, the procedure results in an increase in carried traffic and reduced overall overhead by providing a more stable VP network configuration with fewer modifications.
The original version of this chapter was revised: The copyright line was incorrect. This has been corrected. The Erratum to this chapter is available at DOI: 10.1007/978-0-387-35353-1_28
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© 2000 IFIP International Federation for Information Processing
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Arvidsson, Å. (2000). Balancing VP and VC Routing in ATM Networks. In: Kouvatsos, D. (eds) Performance Analysis of ATM Networks. ATM 1997. IFIP — The International Federation for Information Processing, vol 29. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35353-1_6
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DOI: https://doi.org/10.1007/978-0-387-35353-1_6
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-6160-3
Online ISBN: 978-0-387-35353-1
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