Download presentation
Presentation is loading. Please wait.
Published byGladys Atkinson Modified over 8 years ago
1
www.seefire.org SEEFIRE The SEEFIRE project is co-funded by the European Commission under the FP6 IST contract no. 15817 Fibre lease contracts (CESNET experience) Lada Altmannová CESNET Czech Republic
2
Sofia, July 15 2005 SEEFIRE workshop 2 Total length of inter-city dark fibres trend 1999 2005 1999 :232 km 2002 : 1.000 km 2005 :4.200 km in total 3.500 km in CESNET2 production network 350km of single fibre within CESNET2 700 km of fibre pair in CzechLight testbed
3
Sofia, July 15 2005 SEEFIRE workshop 3 Contracts for dark fibres 1999 : 1 provider oil transit company 2002 : 3 providers oil transit company power distribution company TV cable company
4
Sofia, July 15 2005 SEEFIRE workshop 4 Contracts for dark fibres cont. 2003 : 5 providers : oil transit company power distribution company TV cable company telco operator railway company 1 provider is able to build DF first mile 2005 : 8 providers the same as 2003 + 3 telco operators
5
Sofia, July 15 2005 SEEFIRE workshop 5
6
Sofia, July 15 2005 SEEFIRE workshop 6 Recommendations for procurement process of DF Procure DF line including first miles to NREN PoP Request proposal of conditions for in-line equipment housing Request specifications of line parameters Most important points for decision: Monthly price DF length Optical parameters (attenuation, chromatic dispersion, PMD) Contracted period should depend on monthly price (if price is relatively high, prefer shorter period, before end of the period re-procure)
7
Sofia, July 15 2005 SEEFIRE workshop 7 Recommendations for the contract DF availability 99.7% monthly or better features of fibres should be according to relevant standards (geometrical, optical, mechanical) acceptance procedure with a protocol of measurement - provider covers the cost of measurement guaranteed free testing period for NREN if not observe the terms, a discount from monthly payment
8
Sofia, July 15 2005 SEEFIRE workshop 8 Recommendations of discounts If delay of line delivery is 7 days or more, then the discount is 0.5% from monthly payment per day If trouble removal time is longer than 12 hours then the discount is 0.15% from monthly payment per hour If monthly availability of line is e.g. 99.7% and the availability is lower then the discount can be up to 100% of monthly payment
9
Sofia, July 15 2005 SEEFIRE workshop 9 Prices of DF intercity leasing for CESNET 0.1 – 0.5 Euro/m/y – pair of fibres (fibre lengths from 30 km to 323 km) 0.3 Euro/m/y – one fibre (fibre lengths from 34 km to 126 km) Best prices are for DF between big cities for long distances
10
Sofia, July 15 2005 SEEFIRE workshop 10 Thank you for your attention
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.