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•Online drawing tool! •Easy diagram sharing! •Real-time collaboration ! •1.2 million users all over the world.

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PDF Generator (wkhtmltopdf) Front (EC2, Nginx) Database (PostgreSQL) Images and histories for Diagrams(S3) App (EC2, Java, Tomcat, BlazeDS, ImageMagick) System Configuration Diagram for Cacoo JavaScript Flash/Flex JS/CSS/SWF (Cloudfront) Load Balancer (ELB)

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Cloudfront EC2 Other CDN S3 Successful Connection failed to CDN 2.Fallback 1.Check connectivity from client $%/GBMMCBDL

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