9ticks:Software Requirements

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== Initial Notes ==
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== Requirements Overview ==
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[[Image:9ticks_SystemArchitecture_v01.png|thumb|System Architecture]]
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* Retrieve, interpret and store data source events
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* Web and mobile-based frontends
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* Predefined and custom data sources
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* Visualizations
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* Queries
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* Alerts
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* History
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* Tags
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* The distiction between user, functional and non-functional requirements is ignored
 
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* The requirements are sorted by tiers (presentation, business and data), as seen in the [[9ticks:Software Architecture|Software Architecture]] document
 
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* Each requirement has been assigned with the following properties:
 
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** Code — (PT|BT|DT)_REQ_[0-9]{4}
 
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** Requirement
 
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** Comment
 
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** Priority — from 1 to 5 (1 as highest)
 
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** Status — Draft, Approved, In Progress, Testing, Finished
 
== List of Requirements ==
== List of Requirements ==
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{| class="TablePager sortable" border="1"
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* The distinction between user, functional and non-functional requirements is ignored
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* The requirements are sorted by logical groups
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* Each requirement has been assigned with the following properties:
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** '''Code''' — REQ_[0-9]{4}
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** '''Requirement'''
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** '''Comment'''
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** '''Priority''' — from 1 to 5 (1 as highest)
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** '''Status''' — Draft, Approved, In Progress, Testing, Finished
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* To see an '''unsorted list of requirement''' folow '''[[9ticks:Unsorted_List_of_Requirement|this]]''' link.
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=== Generic ===
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{| class="TablePager" border="1" width="100%"
|-
|-
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! Code
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! Code !! width="50%" | Requirement !! width="40%" | Comment !! Priority !! Status
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! Requirement
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! Comment
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! Priority
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! Status
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|-
|-
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| UIREQ_001
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| REQ_0001 || User shall access the system through a web browser. ||  || 1 || Draft  
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| Do stuff
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| A comment...
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| 5
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| Draft
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|-
|-
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| DS_REQ_001
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| REQ_0002 || User shall access the system through a mobile device. ||  || 1 || Draft  
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| Do stuff
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| A comment...
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| 5
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| Draft
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|-
|-
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! Code
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| REQ_0003 || User shall subscribe sources. ||  || 1 || Draft
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! Requirement
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|-
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! Comment
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| REQ_0004 || User shall tag sources. ||  || 1 || Draft
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! Priority
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|-
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! Status
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| REQ_0005 || User shall visualize each source from several perspectives. || e.g.: textual, bar chart, pie chart, ... || 1 || Draft
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|-
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| REQ_0006 || User shall visualize sources in comparison mode. || e.g.: overlap two stock quotes || 1 || Draft
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|-
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| REQ_0007 || User shall define when and how be alerted of events. ||  || 1 || Draft
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|-
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| REQ_0008 || User shall visualize the history of any source. ||  || 1 || Draft
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|-
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| REQ_0009 || User shall perform queries over the gathered data. ||  || 1 || Draft
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|-
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| REQ_0010 || Queries, visualizations and filters shall be stored for future re-utilization by any user. ||  || 1 || Draft
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|-
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| REQ_0011 || User shall perform all operations in real-time. || Minimum delays. || 1 || Draft
|}
|}
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=== Sources ===
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{| class="TablePager" border="1" width="100%"
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|-
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! Code !! width="50%" | Requirement !! width="40%" | Comment !! Priority !! align="center" | Status
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|-
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| REQ_0101 || There shall exist a data source API. Details are TBD. || Every source, predefined or custom, must use this API. || 1 || Draft
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|-
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| REQ_0102 || User shall apply queries or filters to data sources. The result shall be considered as another source, widely available. ||  || 1 || Draft
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|}
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=== Predefined Sources ===
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{| class="TablePager" border="1" width="100%"
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|-
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! Code !! width="50%" | Requirement !! width="40%" | Comment !! Priority !! align="center" | Status
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|-
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| REQ_0201 || A predefined Stock source shall be able to be subscribed. || Market and quote must be provided. || 1 || Draft
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|-
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| REQ_0202 || A predefined Weather source shall be able to be subscribed. || Location must be provided (defaulting to the IP physical location). || 1 || Draft
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|-
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| REQ_0203 || A predefined Sports source shall be able to be subscribed. || A specific match (source is only that match) or generic team (all team matches) must be provided. || 1 || Draft
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|-
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| REQ_0204 || A predefined Flight source shall be able to be subscribed. || Flight number and flight date must be provided. || 1 || Draft
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|-
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| REQ_0205 || A predefined Traffic source shall be able to be subscribed. || Route must be provided. || 1 || Draft
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|-
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| REQ_0206 || A predefined RSS Feed source shall be able to be subscribed. || RSS URL must be provided. || 1 || Draft
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|-
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| REQ_0207 || A predefined eBay item source shall be able to be subscribed. || Item ID must be provided. || 1 || Draft
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|}
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=== Custom Sources ===
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{| class="TablePager" border="1" width="100%"
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|-
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! Code !! width="50%" | Requirement !! width="40%" | Comment !! Priority !! Status
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|-
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| REQ_0301 || User shall use a browser extension to select some peaces of information to monitor. ||  || 1 || Draft
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|-
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| REQ_0302 || The information selected shall be automatically typed.  || May be overridden by the user. || 1 || Draft
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|-
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| REQ_0303 || System shall recognize basic data types.  || e.g.: integer, decimal, percentage, time, date, string, ... || 1 || Draft
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|-
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| REQ_0304 || System shall connect similar/equivalent data types.  || e.g.: Celsius, Fahrenheit, Kelvin, ... ; Meter, Mile, Yard, Foot, ... ; Euro, U.S. Dollar, Pound, Swiss franc, ... || 1 || Draft
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|-
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| REQ_0305 || Any single HTML item shall be able to be selected. || e.g.: a table cell or an anchor. || 1 || Draft
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|-
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| REQ_0306 || Every repetitive HTML item shall be able to be selected. || e.g.: all main titles || 1 || Draft
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|-
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| REQ_0307 || An HTML table shall be able to be selected. ||  || 1 || Draft
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|-
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| REQ_0308 || Parts of an HTML table shall be able to be selected. || e.g.: a row whose cell at nth column has the value X  || 1 || Draft
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|-
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| REQ_0309 || All items inside a bounded polygon shall be able to be selected. ||  || 1 || Draft
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|-
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| REQ_0310 || Each custom source shall be stored for future re-utilization by any user. ||  || 1 || Draft
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|}
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=== Event Processing ===
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{| class="TablePager" border="1" width="100%"
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|-
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! Code !! width="50%" | Requirement !! width="40%" | Comment !! Priority !! Status
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|-
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| REQ_0401 || Each user's alert rules shall be processed on-the-fly. || Use a CEP engine, Esper maybe. || 1 || Draft
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|-
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| REQ_0402 || User shall be alerted in a short time window. ||  || 1 || Draft
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|}
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=== Crawler ===
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{| class="TablePager" border="1" width="100%"
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|-
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! Code !! width="50%" | Requirement !! width="40%" | Comment !! Priority !! Status
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|-
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| REQ_0501 || Each source must be polled for updates every "refresh rate"-times. || Based on each source's refresh rate. || 1 || Draft
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|-
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| REQ_0502 || An efficient scheduling policy shall be in place. || || 1 || Draft
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|-
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| REQ_0503 || The solution shall have good performance and scalability. ||  || 1 || Draft
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|-
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| REQ_0504 || The solution shall handle stress peaks. || 1000 Streams, 1000 Events/sec, 1000 Queries || 1 || Draft
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|}
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=== Data Store ===
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{| class="TablePager" border="1" width="100%"
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|-
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! Code !! width="50%" | Requirement !! width="40%" | Comment !! Priority !! Status
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|-
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| REQ_0601 || An aggregation engine shall be in place. || Summarize older data. || 1 || Draft
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|-
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| REQ_0602 || A fault tolerant mechanism must be in place. || Replicate data. || 1 || Draft
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|-
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| REQ_0603 || A fault tolerant mechanism must be in place. || Replicate data. || 1 || Draft
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|-
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| REQ_0604 || A locking service must be in place. || Low level concurrency prevention. || 1 || Draft
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|-
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| REQ_0605 || The solution shall have good performance and scalability. ||  || 1 || Draft
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|-
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| REQ_0606 || The solution shall handle stress peaks. || 1000 Streams, 1000 Events/sec, 1000 Queries || 1 || Draft
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|-
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| REQ_0607 || The solution shall provide low response times. ||  || 1 || Draft
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|}
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=== Assorted ===
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{| class="TablePager" border="1" width="100%"
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|-
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! Code !! width="50%" | Requirement !! width="40%" | Comment !! Priority !! Status
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|-
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| REQ_0701 || The communication between the user and the system must be optimize in order of each client type. || Push-based vs pull-based. || 1 || Draft
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|-
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| REQ_0702 || The system shall provide a web service for third-party applications. ||  || 1 || Draft
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|-
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| REQ_0703 || The system shall be internationalized. || i18n || 5 || Draft
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|-
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| REQ_0704 || The system shall allow OpenID authentication. ||  || 5 || Draft
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|}
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== Requirement Traceability Matrix ==
== Requirement Traceability Matrix ==
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Not needed.
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Not needed, yet.

Current revision as of 14:17, 9 October 2008

Retrieved from "http://bicep.dei.uc.pt/index.php/9ticks:Software_Requirements"
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