EasyManuals Logo

ADTRAN Total Access 5000 Deployment Guide

ADTRAN Total Access 5000
352 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #117 background imageLoading...
Page #117 background image
Section 4, EoCu Provisioning - Create an EFM Bonding Group
65K510DEP08-1A 4-13
•Ethernetframesbetween513and1024bytes,inclusive:
%Utilization=(FrameSize)/(FrameSize+16)x(64/65)
•Ethernetframes1025bytesorlarger:
%Utilization=(FrameSize)/(FrameSize+24)x(64/65)
TheequationsaboveassumethattheNetVantaisnotaddinganextratagto
thecustomer
traffic(ie.whenthecustomertrafficistagged,andthecustomeredgetagisnotbeing
preserved).Inanycasewherethecustomertagispreserve d(themostlikelyscenario),andthe
NetVanta838issimplystackingtheprovisionedserviceprovidertag(s‐tag)tothecustomer
tag
(ifpresent),thecalculationmustaccountfortheadditional4bytesforthes‐tag,asfollows:
•ForEthernetframes512bytesorsmaller:
%Utilization=(FrameSize)/(FrameSize+12)x(64/65)
•ForEthernetframesbetween513and1024bytes,inclusive:
%Utilization=(FrameSize)/(FrameSize
+20)x(64/65)
•Ethernetframes1025bytesorlarger:
%Utilization=(FrameSize)/(FrameSize+28)x(64/65)
TodeterminetheEFMbondinggroupbandwidththatneedstobeprovisionedsothatthe
customerʹscommissionedrateisprovided,dividethecustomerratebythispercentage:
RequiredEFM
GroupRate=(CustomerCommissionedRate)/(%Utilization.
Followingareexamplecalculationsforcustomerthroughputpercentage,givenafixedframe
size,assumingtheNetVanta838isaddingaVLANtag:
•For64byteEthernetframes(worstcasescenario):
%Utilization=(64)/(64+12)x(64/65)=82.9%
•For
an8Mbpsbondinggroup,theactualthroughputwouldbe:
8Mbpsx.829=6.632Mbps
•Ifacustomerissolda4Mbpsservice,therequiredEFMgroupsizecalculationwouldbe:
(4Mbps)/(.829)=4.825Mbps
•For1500byteEthernetframes:
%Utilization=(1500)/(1500+
28)x(64/65)=96.7%
•Foran8Mbpsbondinggroup,theactualthroughputwouldbe:
8Mbpsx.967=7.736Mbps
•Ifacustomerissolda4Mbpsservice,therequiredEFMgroupsizecalculationwouldbe:
(4Mbps)/(.967)=4.137Mbps
Anotherpointofreferenceisthe
EFMbondinggrouputilizationpercentagethatisseen
assuminguniformdistributionofframesizes,from64to1518bytes.Thisvalueis96.0%
assumingtheserviceproviderVLANtagisbeingaddedtothe customertraffic.Assuming
uniformtrafficsize,theEFMgroupwouldneedtobeafactorof1.042
greaterthanthe
commissionedcustomerratetoprovidethefullcustomerrate.
Theserviceproviderisbestsuitedtodecidewhattrafficmodelitwantstousefornetwork
planning,butthetoolsaboveshouldallowthemtosuitablydeterminetheEFMGroup
bandwidthneededtoprovidethecustomerʹsfull
trafficrate.

Table of Contents

Other manuals for ADTRAN Total Access 5000

Preview: Manual
Manual4 pages
Preview: Quick Start Guide
Quick Start Guide2 pages
Preview: Product Features
Product Features2 pages

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the ADTRAN Total Access 5000 and is the answer not in the manual?

ADTRAN Total Access 5000 Specifications

Interfaces IconInterfaces
craft interfaceDB-9 RS-232 Electrical Interface (Async)
admin interfaceDB-9 RS-232 DTE Electrical Interface (Async with Modem Control Signals)
network management portDB-9 RS-232 DTE Electrical Interface (Async)
ethernet interface10Bt
external alarm inputs16
Operating Environment IconOperating Environment
operating temperature-40°C to +65°C
storage temperature-40°C to +70°C
relative humidityUp to 95%, non-condensing
Weight and Dimensions IconWeight and Dimensions
height9.25 in.
width0.08 in.
depth9.5 in.
weight0.6 lbs.
View in Manual

Related product manuals