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C. Xie, W. Meng , C. Wang & B. Khasnabish

Service Function Chain Use Cases in Broadband draft-meng-sfc-broadband-usecases IETF 94-Yokohama, 5 th , Nov 2015. C. Xie, W. Meng , C. Wang & B. Khasnabish. Scenarios. NAT+FW+HTTP Filter+…. BNG. CPE. internet. LAST MILE. METRO. EDGE. CORE. ACCESS. Internet Access from Homes. VPN+FW.

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C. Xie, W. Meng , C. Wang & B. Khasnabish

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  1. Service Function Chain Use Cases in Broadbanddraft-meng-sfc-broadband-usecasesIETF 94-Yokohama, 5th, Nov 2015 C. Xie, W. Meng, C. Wang & B. Khasnabish

  2. Scenarios NAT+FW+HTTP Filter+… BNG CPE internet LAST MILE METRO EDGE CORE ACCESS Internet Access from Homes VPN+FW SR SR ES ES NAT+FW+HTTP Filter CORE AGGREGATION ACCESS internet Access from Enterprises

  3. vBNAS & vBNG SFs vBNAS CGN DPI FW vBNG SFFs SFF SFF Switch CPE internet LAST MILE METRO EDGE CORE ACCESS

  4. Unified CPE Bridge SFs NAT44 NAT64 Http Filter PPPoE Community DC Bridge LAST MILE ACCESS METRO

  5. IPTV(forked andnonsymmetric SFC) STB-1 vSTB STB-2 vBNAS QoS vSTB STB-3 vSTB CDN DPI STB-4 vSTB STB-5 vBNAS QoS vSTB STB-6 vSTB ISSUES One SFC? six duplicated SFCs? One SFP? six duplicated SFPs?

  6. ISSUE-1 • HOW to manage address pools? WHO advertise route information to external network based on IP address pools. Address Pools Address Pools SFs vBNAS NAT GW SFFs How to steer the inbound traffic??? ① Switch ② CPE internet

  7. ISSUE-2 • For forwarding and control in a stateful SF, Separation OR Centralization SFs NAT Sessions SFFs SFF GW SFFs ① ② Switch CPE internet

  8. Next Step • Solicit more comments. • Adopt the document as a WG item?

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