© 2015 InterDigital, Inc. All Rights Reserved.

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Presentation transcript:

© 2015 InterDigital, Inc. All Rights Reserved. IPoverICN – the Better IP? The Internet as our ICN use case Dirk Trossen, InterDigital Europe IRTF ICNRG Interim Meeting © 2015 InterDigital, Inc. All Rights Reserved.

A Hypothesis-Driven ICN Story Our starting point: The Internet is the killer app for ICN Make this work and you have a strong starting point for ICN Our hypothesis: IPoverICN has the potential to run IP services better than in standard IP networks Show that this is true and you have a strong reason for deploy ICN! Expected benefits: coincidental multicast, direct path mobility, fast surrogate support, fast node/link resilience, delay-constrained operations (towards 5G), … Our approach: KPI-driven testing and trialing Clear set of quantitative and qualitative statements regarding our hypothesis © 2015 InterDigital, Inc. All Rights Reserved.

A Practical SDN Approach to the Enablement of ICN Bandwidth costs HTTP Unicast Proliferation # of User Connections POINT ICN Solution will Drive Down Bandwidth Costs HBO NETFLIX AMAZON YOUTUBE SDN controller IP Unicast Legacy SDN controller Emerging Network NFV COTS SDN Switch IP Gateway CPE Unicast explosion simply not an option Single client-single host communication is well recognized as an inefficient approach Subject of many workarounds through the years, mostly “caching & redirection” POINT supports native multicast POINT is a EUH2020 Research & Innovation Programme Funded Project under grant No. 643990 http://www.point-h2020.eu/ © 2015 InterDigital, Inc. All Rights Reserved.

A Practical SDN Approach to the Enablement of ICN Benefit #1: True Multicast # of User Connections POINT ICN Solution will Drive Down Bandwidth Costs Bandwidth costs HBO NETFLIX AMAZON YOUTUBE SDN controller CPE Implicit Multicast ICN Gateway Layer IP L1/L2 ICN App (e.g. HTTP) ICN Intelligence Single Operator: POINT ICN Approach POINT: The Innovative ICN technology approach for competitive 5G (or before) operator networks Aligns introduction of ICN concepts with SDN/NFV proliferation and growing trend to programmable infrastructure models Combines seamlessly and complements emerging fog/edge computing thinking POINT is a EUH2020 Research & Innovation Programme Funded Project under grant No. 643990 http://www.point-h2020.eu/ © 2015 InterDigital, Inc. All Rights Reserved.

A Practical SDN Approach to the Enablement of ICN Benefit #2: Deep Caching # of User Connections POINT Solution will Drive Down Bandwidth Costs Bandwidth costs HBO NETFLIX AMAZON YOUTUBE Implicit Multicast ICN Gateway Layer IP L1/L2 ICN App (e.g. HTTP) Cache Mgmt. ICN Intelligence SDN controller Single Operator: POINT ICN Approach POINT: The next logical step up for deep content caching in dynamic surrogates Surrogates are softwarized servers that bring content closer to mobile end users AND create new Caching- as-a-Service possibilities for Operators Surrogate instances are controlled by SDN/ICN core functions which utilize ICN knowledge about what information is requested where by how many users Surrogate CPE POINT is a EUH2020 Research & Innovation Programme Funded Project under grant No. 643990 http://www.point-h2020.eu/ © 2015 InterDigital, Inc. All Rights Reserved.

Basic Idea Interpret IP-based communication as Named Object Exchange IP Network Register as facebook.com Send HTTP GET to facebook.com Receive HTTP GET ICN Network Subscribe to “facebook.com” Publish (HTTP GET) to “facebook.com” Receive HTTP GET © 2015 InterDigital, Inc. All Rights Reserved.

A Gateway-based System Architecture IP ICN NAP IP-only Receiver UE IP SDN Switch L2 IP (BGP) L2 IP ICNF ICN Border GW ICNSR TM : topology manager RVZ: rendezvous point FN : forwarding node SDN Switch S1 IP NAP ICNRT RVZ S1 IP TM FN ICNF SDN Controller ICNTP ICNPR IP IP-only Sender & Receiver UE IP-only Sender UE ICN NAP © 2015 InterDigital, Inc. All Rights Reserved.

HTTP over ICN mapping: Namespace CID FQDN: host.myname.tld URL: host.myname.tld/path/resource rCID root identifier scope identifier for outside ICN communication scope identifier for inside ICN communication I O Hash(FQDN) Hash(URL) Hash(FQDN) Hash(URL) © 2015 InterDigital, Inc. All Rights Reserved.

More Detail Utilizing an Existing ICN Architecture Client cNAP RVZ TM sNAP Server HTTP GET facebook.com ICNPR.Publish “facebook.com” ICNRT.Publish (client,server) ICNTP.Publish (FIDReq) ICNF.Publish (FIDReq, encap(HTTP GET)) ICNPR.Subscribe “facebook.com” DNS Reg facebook.com ICNPR.Subscribe “URL from HTTP GET” ICNPR.Publish “URL from HTTP GET” ICNRT.Publish (server, client) ICNTP.Publish (FIDRes) ICNF.Publish (FIDRes, encap(HTTP RESPONSE)) HTTP RESPONSE © 2015 InterDigital, Inc. All Rights Reserved.

Opportunities Re-introduce multicast for increased network utilization Client2, .., N Client cNAP RVZ TM sNAP Server cNAP2, …, N Scenario: Live video transmission with {500, 750, 1000, 1500, 2000, 3000} viewers Quasi-synchronization within interval of 10s, 5s or 1s with uniform distribution of video chunk requests This amounts to 250, 125 or 25 possible multicast groups being formed for each chunk request Multicast gain ranges from 2 to 120 DNS Reg facebook.com HTTP GET facebook.com ICNPR.Publish “facebook.com” ICNRT.Publish (client,server) ICNTP.Publish (FIDReq) ICNF.Publish (FIDReq, encap(HTTP GET)) ICNPR.Subscribe “facebook.com” Several pending subscriptions for the same RESPONSE ICNPR.Subscribe “URL from HTTP GET” ICNPR.Subscribe “URL from HTTP GET” HTTP RESPONSE ICNPR.Publish “URL from HTTP GET” ICNRT.Publish (server, client) ICNTP.Publish (FIDRes) ICNF.Publish (FIDRes, encap(HTTP RESPONSE)) HTTP RESPONSE Sent through inherent ICN multicast capabilities! © 2015 InterDigital, Inc. All Rights Reserved.

Obvious Delays Nice for Showing Messages but Hardly Scalable Client cNAP RVZ TM sNAP Server DNS Reg facebook.com HTTP GET facebook.com ICNPR.Publish “facebook.com” ICNRT.Publish (client,server) ICNTP.Publish (FIDReq) ICNF.Publish (FIDReq, encap(HTTP GET)) ICNPR.Subscribe “facebook.com” ICNPR.Subscribe “URL from HTTP GET” ICNPR.Publish “URL from HTTP GET” ICNRT.Publish (server, client) ICNTP.Publish (FIDRes) ICNF.Publish (FIDRes, encap(HTTP RESPONSE)) HTTP RESPONSE HTTP RESPONSE © 2015 InterDigital, Inc. All Rights Reserved.

After a Bit More Engineering Remove domain RVZ and TM Delays plus Support Optional On-Path Caching Assumption: selected support for caching in FNs (similar to web proxying) Client cNAP RVZ TM sNAP Server Cached option set to true if cNAP proxy has found cacheability (but couldn’t serve by itself) Subscribe “facebook.com” DNS Reg facebook.com HTTP GET facebook.com Publish “facebook.com” Publish (client,server) Publish (FIDReq, FIDRes) Publish_iSub(FIDReq, FIDRes,NID, cached, encap(HTTP GET)) One-time delay similar to DNS lookup IFF path to server remains unchanged No need for domain-wide RVZ and TM since response receiver known! HTTP RESPONSE ICNF.Publish (FIDRes, cached, encap(HTTP RESPONSE)) HTTP RESPONSE Cached option included with true IFF sNAP proxy determined cacheability of response © 2015 InterDigital, Inc. All Rights Reserved.

© 2015 InterDigital, Inc. All Rights Reserved. Summary ICN is an ongoing evolution We have moved from true endpoint communication to content oriented communication a long time ago We believe that the current Internet is the ultimate use case for ICN Make it work – great! Make it work better – potential for ICN deployment! POINT is dedicated to making IP/HTTP over ICN work KPI-driven approach to quantify the better part More info: http://www.point-h2020.eu © 2015 InterDigital, Inc. All Rights Reserved.

A Set of Partners (and Looking for More…) POINT (3.5MEuro) Partner Role Academia (coordinator) Technology provider (technical mgr) Operator (trial lead) Vendor Content provider Ell.i IoT provider Academia (development lead) Academia (evaluation lead) Athens Univ. of Economics & Business Academia (architecture lead) RIFE (3.0MEuro) Partner Role SME (coordinator) Academia (technical mgr) Technology provider (architecture lead) Community operator (trial lead) Sat vendor Sat operator Academia (evaluation lead) Additional trial in Bristol (UK), … © 2015 InterDigital, Inc. All Rights Reserved.

© 2015 InterDigital, Inc. All Rights Reserved. Demo © 2015 InterDigital, Inc. All Rights Reserved.

IP-based Services in our POINT Overlay Network Browser Web Server POINT Overlay Network Scheduled VPN maintenance! © 2015 InterDigital, Inc. All Rights Reserved.