www.euqos.orgwww.euqos.orgFP6 IST IPFP6 IST IP

Torsten Braun, U Bern (CH)

V.2004-10-01

Slide 2 20 April 2023

USER 1 USER 2

EQ-SIPSignaling

EQ-SIPSignaling

Network technology Independent sub-layer

Network technology dependent sub-layer

End-to-end QoS EQ-SIP signaling

AccessNetwork

1

QoSDomain

i

AccessNetwork

2

QoSDomain

k

QoSDomain

j

RA1 RAkRAjRAiRAn

RM1 RMi RMj RMk RM2n

Virtual Network Layer

Application Application

EuQoS ArchitectureEuQoS Architecture

EQ-NSIS EQ-NSISEQ-NSIS EQ-NSIS

EQ-SIPproxy

EQ-SIPproxy

V.2004-10-01

Slide 3 20 April 2023

Test InfrastructureTest Infrastructure

V.2004-10-01

Slide 4 20 April 2023

EuQoS Test NetworkEuQoS 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

V.2004-10-01

Slide 5 20 April 2023

Problems / ChallengesProblems / 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