1. www.euqos.org FP6 IST IP Torsten Braun, U Bern (CH)

2. V.2004-10-01 Slide 2 27 October, 2015 USER 1USER 2 EQ-SIP Signaling EQ-SIP Signaling Network technology Independent sub-layer Network technology dependent sub-layer End-to-end QoS EQ-SIP signaling Access Network 1 QoS Domain i Access Network 2 QoS Domain k QoS Domain j RA1 RAk RAj RAi RAn RM1 RMi RMj RMk RM2 n Virtual Network Layer Application EuQoS Architecture EQ-NSIS EQ-SIP proxy EQ-SIP proxy

3. V.2004-10-01 Slide 3 27 October, 2015 Test Infrastructure

4. V.2004-10-01 Slide 4 27 October, 2015 EuQoS Test Network  12 different testbeds connected via GEANT based in 10 different locations in 6 countries/NRNs on 4 different access networks technologies (XDSL, LAN, WiFi, UMTS)  NRENs  France : RENATER,  Italy : GARR,  Poland : PIONIER  Portugal : RCTS  Spain : RED IRIS  Switzerland:SWITCH  Flexible architecture with private BGP sessions  Independent of GEANT BGP routing  Full meshed  131 GRE (BE) tunnels

5. V.2004-10-01 Slide 5 27 October, 2015 Problems / Challenges  Backbone network behavior not deterministic (delay, bandwidth)  IP / routing protocol modifications at edge only  Efforts to establish specific test-bed infrastructure  Traffic generation tools  Measurement infrastructure including time synchronization