Cost Efficient Upgrading of OPS Nodes

Cheyns, Jan; Develder, Chris; Colle, Didier; Breusegem, Erik Van; Demeester, Piet

doi:10.1007/0-387-23178-1_8

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B the Skol Technique1

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“…We have used this SKOL technique on both the OPS architectures described in Section II in [15] and shown that for the B&S node architecture, it can be beneficial to use this SKOL technique under the condition that a cost reduction in function of time is taken into account. For the AWG based design however, SKOL does not help.…”

Section: B the Skol Techniquementioning

confidence: 99%

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Upgrade scenarios for OPS networks

Cheyns¹,

Colle²,

Develder³

et al.

Conference onOptical Network Design and Modeling, 2005.

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Optical Packet Switching can cope well with the bursty nature of data traffic that is becoming predominant. OPS nodes will be used in a network, where traffic demand will show a growth evolution. In stead of immediately installing a large OPS node that is only sparsely used in the first years, we prefer solutions allowing the switch to grow as traffic demand grows. We look into modular, multistage solutions for two well-known OPS node designs. We evaluate the cost evolution for different design choices, using several scenarios. We show that multistage OPS node designs can result in cheaper, modular upgradeable designs.

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Section: B the Skol Techniquementioning

confidence: 99%

“…B&S. Cumulative cost in the second bit rate upgrade scenario, r=1, g=2 and p=0 15. (some values out of scale for clarity of the whole picture).…”

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confidence: 99%