Path to Future Internet:Clean-slate Revolutionary (bold!) ■ Do endpoints really matter?Or is it the information that is more important? IP may be "the"problem! Endpoint-centric services move towards information retrieval through,e.g.,CDNs(Content Distribution Networks),youTube,Twitter But how about at the network layer? You BitTorrent WORLD Tube f 6
Path to Future Internet: Clean Path to Future Internet: Clean -slate Revolutionar y( ) bold! ) Do endpoints really matter? Or is it the information that is more im portant? IP may be “the” problem! Endpoint-centric services move towards information retrieval through, e.g., CDNs (Content Distribution N k) T b T i Networ k s ), you T u be, T w itter But how about at the network layer? 6
Ossification of IP-based Infrastructure Huge innovation- email WWW in applications phone... SMTP HTTP Ossification BIP of the core protocols IP Relentless evolution ethernet PPP. of the underlying technology CSMA async Courtesy to M.Handley of UCL conner fiber
Ossification of IP Ossification of IP -based Infrastructure based Infrastructure email WWW phone... Huge innovation in applications SMTP HTTP Ossification RTP... of the core TCP UDP… protocols IP Relentless evolution ethernet PPP… CSMA as ync ion g Relentless evolution of the underlying technology 7 y sonet... copper fiber Courtesy to M. Handley of UCL
Observations The current Internet is end point centric which has contributed to a number of its problems,such as SPAM,virus,denial-of-service attacks, "poor support for mobility and multimedia content distribution. The current Internet is in favour of senders and receivers passively receive. Economically,receivers are forced to carry the cost of unwanted traffic Google youTube's content distribution networks get bigger and more expensive(also for ISPs). There is a consensus that a fundamental reform of the Internet is inevitable in the near future. 8
Observations The current Internet is end point centric which has The current Internet is end point centric which has contributed to a number of its problems, such as SPAM, virus, denial SPAM, virus, denial-of-service attacks, service attacks, poor support for mobility and multimedia content distribution. The current Internet is in favour of senders and receivers passively receive. Economically, receivers are forced to carry the cost of unwanted t ffi ra c Google youTube’s content distribution networks get bigger and more expensive (also for ISPs) and more expensive (also for ISPs). There is a consensus that a fundamental reform of the Internet is inevitable in the near future. 8 Internet is inevitable in the near future
What is the Way Out? g ■UV Cost Cost Clean Dirty rrequent scalable Slate VS Slate Update 里n Easy to Deploy Support Deploy Arch Reduce Innovation Deployment More Feasible? Complexity Net work Virtualization 9
What is the Way Out? What is the Way Out? High C t Low Cos t C t os t Not scalable Frequent Update Clean Slate Dirty Slate Hard to Eas y to Deploy Deploy M F ibl ? Net work More Feasibl e ? 9 Net work Virtualization
Agenda ■Motivation:why FIA? Network Virtualization Post-IP Future Internet Architecture Converged Network Service Test- bed ■Q&A 10
Agenda M ti ti h FIA? Motivation: why FIA? Network Virtualization Post-IP Future Internet Architecture Converged Network & Service Test Converged Network & Service Testbed Q&A 10