MongoDB World 2016: Building Infrastructure to Enable Giant ideas
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Presented by Sree Kotay, Chief Technology Officer, Comcast
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MongoDB World 2016: Building Infrastructure to Enable Giant ideas
- 1. Building Infrastructure to Enable Giant Ideas SREE KOTAY Chief Technology Officer, Comcast
- 2. WHO WE ARE CABLE COMMUNICATIONS % of Total Revenue: 62% % of Total OCF: 73% CABLE NETWORKS % of Total Revenue: 13% % of Total OCF: 13% BROADCAST % of Total Revenue: 11% % of Total OCF: 3% FILM % of Total Revenue: 10% % of Total OCF: 5% PARKS % of Total Revenue: 4% % of Total OCF: 6% Xfinity TV Xfinity Internet Xfinity Voice Xfinity Home OTHER COMCAST BUSINESS AREAS AND PARTNERS *Minority interest and/or non-controlling interest. Note: Revenue and OCF mix reflect FY2015 results and are before corporate overhead and inter-company eliminations. A Fortune 50 Company Uniquely Positioned at the Intersection of Media and Technology * * **
- 3. BIG SCALE 27M+ customer relationships (voice, video data) 30+ terabits per second at peak 630,000 route- miles of network 14M WI-FI hotspots 10,000x peak-to-valley ratios (X1)
- 5. WHAT’S BIG – OLYMPICS
- 6. 6-28 AM_Sree Kotay Video_ OLY_RIO_COMCAST_PRESENTATION_PRORES_HQ__244188.mp4
- 7. 172 262 1,441 4,500 172 6,203 ATLANTA RIO CHANGING OLYMPICS COVERAGE
- 8. TOOH (~1,000,000 rqm peak in *off-peak* hours) 102,768 5,673,632 283,663,072 REQUESTS PER SECOND REQUESTS PER MINUTE REQUESTS PER HOUR AVERAGES ARE FOR THE AVERAGE
- 9. Fighting integrity at scale: ACK and NACK Pessimistic? Optimistic? Both
- 10. Combatting Microservice Failures: LAST KNOWN GOOD ✓ ✓ ✓ ✓ ✗ ✗
- 11. • The unit of re-use is the unit of release • Effective re-use requires tracking release • The unit of release should be the unit of fail ACID as applied to deployment, not just data: Improve velocity. Improve quality. Both. DEVOPS:REUSE EQUIVALENCY PRINCIPLE Stochastic testing. Stochastic deployment.
- 12. THANK YOU
Editor's Notes
- Intersection of Media and Technology – and why technology is increasingly central to the business.
- More on scale of Comcast in general . IPv4 Address management scale.
- The reason technology is becoming so central is that EXPERIENCE is becoming central.
- Intersecting Media and Technology Excellence
- The Best place to watch all of the broadcast and digital. 270+ days worth of viewing --- helping you make sense of the long tail…. Oscars stuff
- 50 percent was once the industry-standard benchmark for database responsiveness. Meaning that 50 percent of your interactions were happening below your target threshold. If you think about an organization of Comcast’s scale, that’s potentially 13 million customers who aren’t getting optimal performance out of database-dependent consumer technologies. That’s obviously completely unacceptable. So what about 90 percent? Still pretty bad. 99 percent? Nope. We benchmark 99.9 and better, and our team is constantly looking to find the next 9.
- Unicast vs. Multicast
- Microservices architecture, with various aggregation/decoration tiers. Failures (outage, SLA) unacceptable – and availability more important than consistency.
- 1 change a year, to 40 to 800 to 4000 to 16000 Traffic shaping is a core primitive. Brewer’s theorem has implications for system design. Devops is the recognition that a component, a system, is not just code – its code plus environment. And your system has a state.
- High performance requires a tolerance for reinvention. I said averages are for the average… Excellence is not a skill – it’s an attitude.