Learn Content Delivery Network (CDN) Basics
 

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Do you have questions about what exactly is a Content Delivery Network (CDN), how does it work, and how can a CDN help my website? In this quick presentation, you will gain a better understanding of ...

Do you have questions about what exactly is a Content Delivery Network (CDN), how does it work, and how can a CDN help my website? In this quick presentation, you will gain a better understanding of what a CDN is and the advantages of using it for your website.

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Learn Content Delivery Network (CDN) Basics Presentation Transcript

  • 1. CDNETWORKS.COM
  • 2.  THE INTERNET  INFRASTRUCTURE  GLOBAL NETWORK SERVERS  NETWORK PERFORMANCE COMPARISONS  SECURITY OUTLINE AGENDA CDNETWORKS.COM
  • 3. THE GLOBAL INTERNET IS COMPLEX PoP 3 PoP 2 PoP 1 Tier 3 Networks (Multi-homed ISP) IXC Tier 1 Networks Tier 3 Networks (single homed ISP) Tier 2 ISPs Global Network Providers Internet Users Broadband Providers Tier 2 Networks Regional ISPs, University Networks Transit Transit Transit Transit Peering CDNETWORKS.COM
  • 4. INTERNET RTT LATENCY • DISTANCE • SPEED OF LIGHT 50 ms 150 ms LONDON NEW YORK 500 ms SHANGHAI GLOBAL INTERNET CHALLENGES SAN FRANCISCO CDNETWORKS.COM
  • 5. GLOBAL INTERNET CHALLENGES NETWORK PROBLEMS • NETWORK OF NETWORKS BOTTLENECKS • PACKET LOSS • CONGESTION • RETRANSMISSION SAN FRANCISCO USER CDNETWORKS.COM
  • 6. MULTIPLE RTTs FOR CONNECTION NEGOTIATION GLOBAL INTERNET CHALLENGES INEFFICIENT PROTOCOLS / RTT MULTIPLIER •CHATTY PROTOCOL •TCP SLOW START •TENS OF BACK & FORTH ROUND TRIPS •30-50 RTTs FOR ONLY 1 PAGE •CONNECTION LOAD AT ORIGIN SAN FRANCISCO logo.gif File USER CDNETWORKS.COM
  • 7. GLOBAL INTERNET INFRASTRUCTURE CDNETWORKS.COM
  • 8. STATIC CONTENT Base Web Page and graphics DYNAMIC CONTENT Changing / moving content 2 TYPES OF CONTENT CDNETWORKS.COM
  • 9. WITHOUT A CDN USER SLOW Dynamic Content logo.gif File (Static Content) BIG.pdf File (Static Content) ORIGIN CDNETWORKS.COM
  • 10. WITH A CDN (STATIC CONTENT) FAST logo.gif File (Static Content) BIG.pdf File (Static Content) ORIGIN CDN COPY USER CDNETWORKS.COM
  • 11. WITH A CDN (DYNAMIC CONTENT) USER SUPER HIGHWAY “MIDDLE MILE” Dynamic Content ORIGIN CDNETWORKS.COM
  • 12. WITH CDN (SECURITY) ORIGIN USER Dynamic Content logo.gif File (Static Content) BIG.pdf File (Static Content) CDNETWORKS.COM
  • 13. KEY TAKEAWAYS Global Auction Website Origin 3 Datacenters CDN (CDNetworks)  GLOBAL INTERNET CHALLENGES – RTT & LATENCY (SLOW)  A CDN BRINGS STATIC CONTENT CLOSER TO USERS  A CDN ACCELERATES DYNAMIC CONTENT  A CDN DEFENDS, ATTACKS & ABSORBS SECURITY THREATS CDNETWORKS.COM
  • 14. FOR MORE INFORMATION CONTACT INFO@CDNETWORKS.COM OR +1408.228.3700 END