英文版 需求文档.docx
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英文版 需求文档.docx
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英文版需求文档
B&DonlineWebsiteRequirementsSpecification
Version2.0
Draft
December2000
IvanNetworkski
ISDirector
Brown&Donaldson
B&DOnlineWebsiteRequirementsSpecification
1.Introduction
1.1Purpose
InordertobecompetitiveintheUSBrokeragemarket,B&Dfeelsthatitneedstobeabletooffer
it'sexistingandfutureclientstheopportunitytotradeUSequitiesonline.Thisproject'sgoalis
provideabasiconlinetradingWebsite(whichcanbeenhancedinthefuture)ASAP.
Note,ThisdocumentisbasedoftheIEEE830standardforSoftwarerequirementsanddescribes
thedesiredproduct,butdoesnotattempttospecifythedetailsofwhen,whoorhowmuchthe
productwillbebuilt,thisinformationiscoveredinthecorrespondingprojectplanning
documentation.
1.2Sponsor,Customers(Users)andotherStakeholders
DonaldThump(CEOofB&D)istheSponsoroftheProject.OtherStakeholdersofnoteinclude,
JulieSold(VPofSales),JackBond(COO’sRepresentative)andIvanNetworkski(ISDirector).
TheanticipatedCustomersoftheproduct(B&DOnline)areinitiallyexpectedtobeB&D'sexisting
Customers.SpecificallyMutualfundmanagersandwealthyprivateclientswithvaryingdegrees
markettradingexperience.
1.3Scope
Seetheassociated"B&DOnlineBusinessProcesses"document,whichoutlinestheprocesses
(computerandmanual)thatwillneedtobeputinplacefortheB&DOnlineWebsitetobe
implemented.Also,theassociated"B&DOnlineContextDiagram"(inPowerPoint97/2000)
providesahighleveloverviewofhowalloftheprocessesaredependentuponeachother
1.4Constraints
TotalcostsforthedevelopmentandrunningoftheWebsiteforthefirstyearmustnotexceed
$10million
AprototypeoftheWebsitemustbedemonstrablewithin1monthofprojectinitiation
TheWebsitemustbeoperationalwithin2monthsofprojectinitiation
TheWebsitewillbefreetoexistingclients
Clientswillnotbewillingtoinstallpersonalcertificates,personalfirewallsnorbewillingto
authenticatethemselvesusingsomesortofbiometricdeviceorsmartcard
TheprojectwillhavetoberesourcedwithB&D'sexistingstaff
1.5Definitions,AcronymsandAbbreviations
BusinessTerms
SeeB&D'scorporateglossaryforalistthetermsusedinthebrokeragebusinessthatarenot
normallyfoundin"everyday"language,butwillbereferencedwithinthisdocumente.g.Security
Aninvestmentinstrumentissuedbyacorporation,government,orotherorganizationthatoffers
evidenceofdebtorequity
TechnicalTerms
SeeB&D'sITglossaryforalistoftechnicalterms/acronymsusedintheB&DOnlineproductthat
arenotnormallyfoundin"everyday"language,butwillbereferencedwithinthisdocumente.g.
ASP-Theterm"ASP"has2distinctmeanings-Microsofthasatechnology(ActiveServer
Pages)thatallowsdeveloperstodevelopdynamicWebsitesquickly.Anindustrytermto
describecompanies(ApplicationServiceProviders)thatofferindividualsorenterprisesaccess
overtheInternettoapplicationprogramsandrelatedservicesthatwouldotherwisehavetobe
locatedintheirownpersonalorenterprisecomputers
ProgramandDatabaseNamingConventions
B&D'sstandardnamingconventions(seeB&Dnamingconventionsdocument)willbeusedfor
thisproject.
1.6Assumptions
Needtobeinvestigated
Assumptionsthatcanbeinvestigatedandfoundtobetrueorfalse,theassumptionthen
becomesaknownrequirement/constraintorisremoved
ThevastmajorityofB&D'sexistingclientswillviewtheInternetusing:
Ahighspeed(ISDNorbetter)Internetconnection
Withatleasta:
15"monitor
800x600screenresolution
256colors
AreB&D'sclientswillingtopayforaccesstopremiumservices?
Andifsohowmuch?
AreAdvertiserswillbewillingtopaytoadvertiseontheB&DWebsite?
Andifsohowmuch?
Unabletoconfirm
Assumptionsthatcannotbeinvestigateduntilaftertheprojectiscomplete(ifever)
MorepeoplewillusetheB&DOnlineWebsite,iftheWebsitedoesnotrequiretheviewertoenablecookies
Duringthefirstyearofoperation,theB&DOnlineWebsitewillnotneedtobeportedto
anotherISPand/orsystemsoftwareplatforme.g.Unixor2tierWindowsNT
Initialpeakloadisexpectedtobe10concurrentusers,witheachuserrequestinganewpage
everyminute
Clientswillbeunwillingtoinstallclient-sidecertificatesandwouldobjecttoB&Dprobingtheir
machinestoread"private"informatione.g.MACaddress(Ethernetcard),CPUserial#
(PentiumIIIchips),O/Sserial#'sorNetworknodenames
Fact
Asofthismonth90+%ofB&D's"Brochureware"WebsitevisitorsuseMicrosoft4.x(or
higher)orNetscape4.x(orhigher),only2.5%areAOLusers
Asignificantpercentage(10%)ofB&D'sexitingclientsspentasignificantportionoftheirtimeoutsideoftheU.S.
2FunctionalRequirements
2.1UserCharacteristics
TheassociatedseriesofUseCasedescriptions(Word97/2000)andUseCasediagrams
(PowerPoint97/2000)specify,theinteractionsbetweentheActors(Customers,InternalAdmin
and/orotherComputersystems)andthepartsofthepreviouslydocumented"B&DOnline
BusinessProcesses"thatwillbedirectlysupported/implementedbytheB&DOnlineWebSite.
Actors
ThelistofActorswouldpotentiallyinclude:
Novice/Firsttimeinvestors
Novicecomputer/Internetusers
“Techie”users
“Daytraders”
“Savvy”/ExperiencedInvestors
Passiveinvestors-notrading
Financialnewspaperreaders
Foreign/Internationalinvestors
Competitorsclients
PotentialnewB&Dclients
ExistingB&Dclients
Investorswithpoorvision
Externalmutualfundmanagers
B&Danalysts
B&Dbrokers
B&Demployees
B&Dseniormanagement
B&Dsecuritiesauditors
B&Dwebmaster
OtherB&Dcomputersystems(legacysystems)OthercompaniesWebmasters
Businesspartners(includingISP’s)andsupplychainvendors
Businesspartneremployees
CEO’sandCFO’sofcompaniesthataretraded
Analystsatotherresearchfirms
Stockbrokersatotherbrokerages
Taxaccountants
Tradepress/Media(Reuters,PRNewsWire,BusinessWireetc.)
Websiteraters/critics
Smallbusinessowners,CFO’s,401k,ESOPadministrators/trustees
(Legal)Regulators(e.g.SEC,IRS)andB&D’sInternallegaldepartment
Externalauditors(e.g.CPA’s)
Lawyers(e.g.classaction)
Hackers
Competitors
Children/Student-school/collegeresearchprojectstobogusaccounts
Potentialnewhires
B&Dcustomerservice/techsupport
B&D’sTesting(Diagnostic)team
Searchengines
“Agents”-computersfromothercompanies
Banks,FederalReserve,StockMarketcomputerinterfaces
Note:
Manyofthesepotentialactorscouldbemergediftheirsiteusageturnedouttobethesame
2.2FunctionalRequirements
WebPages
Theassociated"HighLevelSiteMap"specifiestheWebsitescorepagesandthemain
navigationallinksbetweenthem.
ForeachWebpageseetheassociated"Pagefloorplan"andsupportingdescription(in
PowerPoint97/2000).ThefollowingisanexampleofthelayoutforaPageSpecification:
PageABC
ShortdescriptiveoverviewofWebpage
Pagename/Bookmark:
"Research&Quotes"
PageLevelCascadingStyleSheet(CSS)(ifdifferenttoWebsiteCSSi.e.bd.css)e.g.
page.css
MetaTagse.g.Brown&Donaldson,Onlinetradingetc…
InitialFocusPoint(Tabstartingpoint)e.g.Component#4-Userlog-in
Securetransmissionrequired(Y/N)
Supportingdocumentationforanynon-visualpagecomponentwillalsobeincluded.
Note,eachpagecomponentonthe"floorplan"willbeassignedaunique#(typicallyorderedtop-
lefttobottom-right),thesupportingdescriptionwillthenreferenceeachpagecomponentby#:
PageComponent#1-XYZ
Purpose(briefdescriptionofthecomponent)
Link(External,Internal,Anchor,Re-post)
Mouse-rolltext(a.k.a.roll-over)
ComponentlevelCSS(optional)e.g.component.css
Client-sideprocessinge.g.drop-downs,editchecks
Server-sideprocessinge.g.Databaseprocessingneededtopopulatecomponentor
performedasaresultoffclickingonthecomponent-specifydefaultsortorderifmorethan
onerecordistobereturned
Anymulti-pagetransactionsmustbeabletohandle(ordegradegracefully)anyofthefollowing
userinitiatedeventsmid-waythroughthetransaction:
Userclearsdiskand/ormemorycache
UserusestheGoand/orHistorybuttonstorevisitpreviouspagesoutofsynch
UserusestheBrowser’sReloadbutton
UserresizestheBrowserwindow
Useraborts(neverfinishes)transaction
Usertakesanextendedcoffeebreake.g.30minutes
UserresetstheirPC’sclock(backwardorforward)
UserusestwoBrowsers(samebrandandversion)toperformthesametransaction,“flip-
flopping”fromoneBrowsertothenext
UserusestwoormoreBrowsers(samebrand,differentversions)toperformthesame
transaction,“flip-flopping”fromoneBrowsertothenext
AllDate/TimesshouldbebasedontheWebsitesclock(WebserverorDatabaseserver)noton
theclients
Reports
ForeachrequiredReport,seetheassociated"Reportfloorplan"andsupportingdescription(in
PowerPoint97/2000).
ExternalInterfaces
Foreachinterfacetoanexternalsystem,seetheassociatedinterfacespecificationand
supportingdescription(inWord97/2000).
2.3DataRequirements
BusinessObjects
Theassociated"D&BOnlineBusinessObjects"document(inWord97/2000)itemizesthehigh
levelBusinessObjects(attributesandmethods)thattheB&DOnlinedatabasewillbeexpectedto
persistentlystore.
HighLevelBusinessObjectModel
Theassociated"B&DBusine
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