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From a leased capacity to a dark fiber BELNET network. Lessons learned. TF-MSP Meeting 9 November 2010. Dirk Haex. Agenda. BELNET before and after 2008 BELNET & Dark Fiber: lessons learned … concerning fiber providers … concerning housing locations … concerning threats/risks
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From a leased capacity to a dark fiber BELNET network Lessons learned TF-MSP Meeting 9 November 2010 Dirk Haex
Agenda • BELNET before and after 2008 • BELNET & Dark Fiber: lessons learned • … concerning fiber providers • … concerning housing locations • … concerning threats/risks • … concerning operations • … concerning IRU contracts and legal aspects • BELNET & Dark Fiber: our advice
BELNET & Dark Fiber Lessons learned • … concerning fiber providers • Fast fiber degradation • Attenuation and margin in the ring(s) • Fiberproviders and subcontracting • Number of fiber providers • Advantages / disadvantages
BELNET & Dark Fiber Lessons learned • … concerning housing locations • BELNET PoPs: more facilities needed • Power + no-break • Space • Cooling • 24/7 Access • “Professional” datacenters • What’s in a name…
BELNET & Dark Fiber Lessons learned • … concerning threats/risks • Take over of fiber provider during IRU… • Large fiber rings and fiber cuts • Profound analyse of fiber routes • Redundancy is key! • Double fiber entrance (PoP’s) • The future of “fiber as a service”?
BELNET & Dark Fiber Lessons learned • … concerning Engineering & Operations • Extension of the fiber network • within the ring • Cross Border Fibers • Documentation is key! • Scheduled maintenance • Analyse impact • Fiber and optical expertise within NREN
BELNET & Dark Fiber Lessons learned • … concerning IRU contracts and legal aspects • Fiber specifications, SLA • Penalties • IRU template • Experience with upfront payment and service
BELNET & Dark Fiber Our advice • … if we should rebuild the fiber network • 2 fiberpairs per ring • Detailed fiber maps at street level • all using the same dataformat • Fiber specifications clearly defined and penalties included • Internal cabling: Include ODF losses in end to end fiber attenuation
BELNET & Dark Fiber Our advice • … if we should rebuild the fiber network • as little providers as possible • 1 connector type – APC
BELNET & Dark Fiber To conclude • … a fiber network gives you: • … flexibility • … Unlimited “bandwidth” • … fast upgrades (extra wavelengths) • …. More services • …