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Zdenek Cendra Profile
Zdenek Cendra

@zdendac

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Following
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Media
391
Statuses
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Founder: https://t.co/9O5fmTGB7x, https://t.co/S69h40KZX9, https://t.co/RPPF7YvFa3 Co-founder: https://t.co/0qeJTaBYsb

Prague
Joined May 2011
Don't wanna be here? Send us removal request.
@zdendac
Zdenek Cendra
26 days
Hit a new daily peak, serving over 20M HTTP requests per second straight from our CDN77 network. 20M. Every second. Wild. And our Logs team (data & storage eng): "Ok, nice benchmark, give us more". Respect! We store logs with 1+2 redundancy. That is 60 000 000 lines per
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@zdendac
Zdenek Cendra
2 months
288 x 400GE ports in one box. Arista 7808 @ testing lab. 8 x 36 x 400G cards. Each cable is 2 x 400GE link for internal load tests. Power usage 11 kW standby, with load up to 17 kW. Realistic routing capacity: 50 Tbps Soon 2 x in production @ Singapore POP, CDN77 network.
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@zdendac
Zdenek Cendra
3 months
Traffic to Afghanistan in the past 24+ hours has been zero. Afghan Telecom, Roshan, MTN and Etisalat have all disappeared from the global routing table.
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@zdendac
Zdenek Cendra
6 months
CDN77 Server Infrastructure - Fresh Dataset - 389 data centers across all continents - 199 unique cities - 31 294 physical servers - 60-70 Tbps daily traffic peaks - 255 Tbps external edge network capacity - 1000+ BGP routers - 1000+ 400 Gbps ports in production -
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@zdendac
Zdenek Cendra
7 months
+1.35 Tbps without notice to one EU country? Game updates never fail to surprise. Another fun day on the https://t.co/9WAhyhSfVe!
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@zdendac
Zdenek Cendra
1 year
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@zdendac
Zdenek Cendra
1 year
New 100G link between Lisbon and Johannesburg in operation. With branch to Equinix Lagos. 74 ms one way trip :)
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@zdendac
Zdenek Cendra
1 year
Our fresh Europe and US backbone undersea interconnection capacity? 2.6 Tbps full duplex 5 physical routes via 5 x 400G, 6 x 100G links. 3 x WDC x PAR via DUNANT - 400G 1 x WDC x PAR via MAREA - 400 1 x NYC x PAR via AMITIE - 400G 6 x NYC x LON via EXA South/North - 100G 🚀
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@PetrBrzek
Petr Brzek
2 years
Today we are a company of 7 people, and I am pleased to announce that we have closed a Pre-seed Round worth €1M. Thank you, @zdendac, for your support. ❤️
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@zdendac
Zdenek Cendra
2 years
132 ms round trip.
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@zdendac
Zdenek Cendra
2 years
New 400G link from Miami to Sao Paulo is live! Via PCCS and BRUSA submarine cable system. Miami - San Juan (Puerto Rico) - Sao Paulo. Next upgrade? TYO x SGP via Asia Pacific Gateway (APG) and TYO x LAX via Unity submarine cable.
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@zdendac
Zdenek Cendra
2 years
New 2 x 400G link from Paris to Ashburn is live! Via DUNANT submarine cable system. Our total EU x US capacity: 2.6 Tbps via 6 cable systems (Majority via 400G technology). Next upgrade in January: 2 x 400G between Bilbao and Ashburn via MAREA submarine cable system.
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@zdendac
Zdenek Cendra
2 years
Listopad 23 bude první ziskový měsíc Rohlíku v Mnichově. Like!
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@zdendac
Zdenek Cendra
2 years
CDN77 network team: odpolední quick update meetup před kanceláří. Pokud právě sedíš v kanceláři a nemáš zasedačku na zahrádce pod hruškou, mrkni na https://t.co/dpaRfiuiNT, always hledáme další tech super stars.
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