1. Yahoo! CDN and Peering Flávio Amaral – Br-Ops May 27th, 2008

2. - 2 - Yahoo! CDN and Peering Agenda –The demand for CDNs –Importance of peering –Challengers of Brazil

3. - 3 - The Demand for CDNs Web page growth –Average Web Page Size Triples Since 2003 and 22 times since 1995. –Source: websiteoptimization.com –Example of www.yahoo.com in October of 2006 (from web.archive.org)www.yahoo.com 11 requests 23 KB 3.3s for downloading in a 2Mbs home connection. –Y! Example for the same page now:the same page 35 requests 211KB 5.4s for downloading in a 2Mbs home connection. –Size is 10x bigger but the time has not been 10x slower Need to bring the content closer to the users Thanks to CDN and peering connections –Web pages size increase, TV and printed newspaper audience decrease. Is this a trend? Where it will lead us?

4. - 4 - The Importance of Peering Good for both parts Increase of speed for the users Perception of speed of the ISP under the user perspective Yahoo! has open peering policy everywhere Present in the most important NIX in the world

5. - 5 - Challengers of Brazil Transit Market Overview –Some carriers operate nation wide but lack local presence in most of the cities. –Some carriers operate in more focused in regions and have good local coverage on them. –Identify the userbase –Partnership with Carriers for CDN –Bandwidth is expensive High taxes (> 40%) Import duties (100%)

6. - 6 - Yahoo! CDN and Peering Questions ???

7. - 7 - Yahoo! CDN and Peering - 2008

8. - 8 - Yahoo! CDN and Peering - 1996