HP Vectra VEi7 Technical Information PDF herunterladen (Seite 76)

IST-2000-25187

Deliverable D4.3

Evaluation of Phase I Field Trial

TORRENT

IST-2000-25187 PUBLIC Page 76 of 77

Abbreviations

ADSL Asynchronous Digital Subscriber Line

ATM Asynchronous Transfer Mode

ATU-R ADSL Transceiver Unit – Remote End

BER Bit Error Rate

BERT Bit Error Rate Tester VPI – Virtual Path Identifier

CBR Constant Bit Rate

CDVT Cell Delay Variation

IPER Internet Protocol (IP) Error Ratio

IPLR IP Loss Ratio

IPITd IP Inter-arrival Time downstream

IPITu IP Inter-arrival Time upstream

IPTD IP Transfer Delay

L2F Layer Two Forwarding

LAP Local Access Point

L2TP Layer Two Tunnelling Protocol

PCR Peak Cell Rate

PPTP Point-to-Point Tunnelling Protocol

PVC Permanent Virtual Circuit

QoS Quality of Service

RG Residential Gateway

RTCP Real Time Control Protocol

RTT Round Trip Time

SCR Sustainable Cell Rate

SLA Service Level Agreement

SPR Spurious Packet Rate

VCI Virtual Channel Identifier

VBR Variable Bit Rate

VoD Video on Demand

VoIP Voice over IP

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HP Vectra VEi7 Technical Information Seite 76