iLab - Technical

Technical test centre overview

Brecht Vermeulen

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Outline

TechnologyPlatformsTechnologyPlatforms MeasurementMeasurement

Future extensionsFuture extensions

InfrastructureInfrastructure

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Overview

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Infrastructure

500m2

Approx. 80 racks = 3300 units = 2/3 of max. capacity

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Connectivity

1 Gb/s on Belnet10 Mb/s commercial to lab1 Gb/s commercial from lab1 Gb/s research networks IPv4, IPv6Multicast, VPNs, BGP

Commercial ADSL, Cable

Commercial sattelite (DVB-RCS)

Remote access for IBBT groups, project partners

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Outline

MeasurementMeasurement

Future extensionsFuture extensions

InfrastructureInfrastructure

TechnologyPlatformsTechnologyPlatforms

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Available technology platforms

Wired network technologies

Wireless network technologies

Server/terminal hardware

Application platforms

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Wired network technologies

Ethernet 100/1G/10G (+IP+MPLS)Alcatel 6800/7450/7750Cisco 2811/3750/6506

xDSLAlcatel ASAM-C + ISAM DSLAM

ADSL (8/1Mb/s), ADSL2 (12/1), ADSL2+ (24/1), VDSL (50/12)

Juniper ERX-700 BRASCable:

Cisco uBR CMTSEthernet over powerline

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Wireless network technologies

802.11a/b/g (Wifi)Bluetooth: approx. 1Mb/sZigbee

low bitrate: max 250kb/sPersonal Area Networks (PAN)

RFID (Radio Frequency IDentification)802.16 (Wimax)

"a standards-based technology enabling the delivery of last mile wireless broadband access as an alternative to cable and DSL“Base station + modems

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Server/terminal hardware

Common PC hardware(distributed) software developmentPoC setups projectsNetwork emulations (click)

High-end server hardwarePerformance analysis

Storage technologiesFibre channel, iSCSI

Special user devices (wireless)PDAs, tablet PCs

Total: +/- 400

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Application platforms

Interactive tv platformsMyrio IPTV platform MHP platformServer + set-top boxes

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Outline

Future extensionsFuture extensions

InfrastructureInfrastructure

TechnologyPlatformsTechnologyPlatforms MeasurementMeasurement

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Layer 2-3: traffic generation

Spirent Smartbits 2000-6000

L2-L3 multi-port packet TX/RXPacket loss, delay, jitter

Agilent N2XPacket TX/RXNetwork emulator (multicast, ...)

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Layer 1-3: traffic analysis

Fluke optiview snifferTcpdump/ethereal but in hardware1 Gb/s ethernet full duplex linerate

xDSL tracespanxDSL sniffer with L1-L7 export (pcap)

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Shielded wireless environment

Splitter/combiner panel (4x 1:4, 4x 1:2)

8x attenuator (0-93dB)

Controlled over network by linux PC with qosmotec software

PC with GUI

Shielded box

VLANs

VLANs

Media convertor

Media convertor

Fiber 1Gb/s

Copper 10/100/1000

Copper 10/100/1000

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Shielded wireless environment

RF over coaxRepeatable experimentsNot influenced by other experimentsRepeatable changes of attenuation in time: e.g. Moving user, handoversIn between simulations and real world

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Layer 4-7

Difference to L2-L3:Real TCP behaviorReal protocols (e.g. HTTP, FTP)

Spirent Avalanche2 boxes: approx. 2Gb/s / box

Avalanche

Client – server(network testing)

Client (server testing)

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Quality of experience measurement

Opticom OperaVoice/audio quality analyserVoice: PESQ, PSQM+Wideband audio: PEAQ

Video qualitySarnoff JND (just noticeable difference)In house developed video testbed for automatic measurements (demo)

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Outline

Future extensionsFuture extensions

InfrastructureInfrastructure

TechnologyPlatformsTechnologyPlatforms MeasurementMeasurement

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Future extensions

DVB-H(andheld) technology10Gb/s measurement portsInfiniband for storageVirtual wallWSCAN

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Conclusion

TechnologyPlatformsTechnologyPlatforms MeasurementMeasurement

Future extensionsFuture extensions

InfrastructureInfrastructure