4. Keeping the Brand Promise 3 Global Acceptance Reliability Zero Liability go Security Flexibility Guaranteed Payment
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6. 1 VisaNet – an overview 2 3 Value-Added Information Products Hadoop@Visa – research results Agenda
7. Visa Processing Architecture Security/Access Services Message File Web VisaNet Services Integration Common Data Infrastructure Authorization Clearing & Settlement Information Disputes Risk
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9. 1 VisaNet – an overview 2 Value-Added Information Products 3 Hadoop@Visa – research results Agenda
10. Research Lab Setup Hadoop Systems VM System Relational Database Custom Analytic Stacks Encryption Processing Management Stack Hadoop #2 ~300Tb / 28 nodes Hadoop #1 ~40Tb / 42 node
15. Keeping the Brand Promise 3 Global Acceptance Reliability Zero Liability go Security Flexibility Guaranteed Payment
Notes de l'éditeur
Fast – On average, VisaNet fully processes transactions in approximately 1 second. Secure – VisaNet supports multiple defense layers to prevent network intrusions, protect against account fraud, and to make stolen card data unusable for criminalsincluding data encryption, sophisticated intrusion detection systems and neural network technology capable of analyzing each transaction in real-time. Over the last two years, Visa has spent more than $100 million on data security enhancements. Reliable – VisaNet runs multiple, parallel processing systems in highly redundant data centers. This ensures near 100 percent availability. In the past 15 years, VisaNet experienced less than two seconds average unavailability per year. State-of-the-art monitoring tools are in place to detect network availability and client-specific processing anomalies, such as high rates of decline. Scalable – VisaNet authorizes an average of 130 million transactions a day, totaling more than 92 billion authorization. On Dec. 21, 2008, Visa’s busiest day last year, VisaNet authorized more than 200 million transactions. Based on recent stress tests, VisaNet is capable of authorizing over a half billion transactions per day.