# Business Context

The OpenWMS.org system consists of warehouse management and material flow control components. It is embedded into an ecosystem with a typical enterprise resource planning system, field controllers, manufacturing control systems and other counterparts that exist in the area of eCommerce and intralogistics warehousing.

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/1180/content">

**Figure 1. Business Context**

<figure class="table op-uc-figure_align-center op-uc-figure" style="width:initial;"><table class="op-uc-table"><thead class="op-uc-table--head"><tr class="op-uc-table--row"><th class="op-uc-p op-uc-table--cell op-uc-table--cell_head" style="background-color:rgb(240, 240, 240);border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;"><strong>Component</strong></th><th class="op-uc-p op-uc-table--cell op-uc-table--cell_head" style="background-color:rgb(240, 240, 240);border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;"><strong>Description</strong></th></tr></thead><tbody><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">ERP</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">The <a class="op-uc-link" href="https://en.wikipedia.org/wiki/Enterprise_resource_planning">enterprise resource planning system</a> is in this context responsible to serve OpenWMS.org with any kind of logistic orders, like orders for Picking, Shipping, Receiving etc</td></tr><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">MES</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">The <a class="op-uc-link" href="https://en.wikipedia.org/wiki/Manufacturing_execution_system">manufacturing execution system</a> is another IT system that is connected to OpenWMS.org and is responsible to orders into production lanes in the manufacturing industry</td></tr><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">PLC</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">A system of <a class="op-uc-link" href="https://en.wikipedia.org/wiki/Programmable_logic_controller">programmable logic controllers</a> is directly connected to the TMS part of OpenWMS.org and is controlling and driving the automation hardware in warehouses</td></tr><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">Printing System</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">Printer hardware could be connected directly to OpenWMS.org or via print servers to print delivery slips, tracking notes and reports</td></tr><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">Operational UI</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">An user interface for human operators serves processes for Picking, Clearing, Receipts</td></tr><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">Administration UI</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">An user interface for system administrators to create reports, manage orders and workplaces etc.</td></tr></tbody></table></figure>

# Technical Context

The technical context focuses on the technical details of the interfaces between OpenWMS.org and surrounding systems.

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/1181/content">

**Figure 2. Technical Context**

<figure class="table op-uc-figure_align-center op-uc-figure" style="width:initial;"><table class="op-uc-table"><thead class="op-uc-table--head"><tr class="op-uc-table--row"><th class="op-uc-p op-uc-table--cell op-uc-table--cell_head" style="background-color:rgb(240, 240, 240);border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;"><strong>Component</strong></th><th class="op-uc-p op-uc-table--cell op-uc-table--cell_head" style="background-color:rgb(240, 240, 240);border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;"><strong>Description</strong></th></tr></thead><tbody><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">SCM</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">The Supply Chain Management module of an ERP</td></tr><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">DB</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">A database with tables used to transfer data</td></tr><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">User Interfaces</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">A group of all user interfaces connected to OpenWMS.org</td></tr></tbody></table></figure><figure class="table op-uc-figure_align-center op-uc-figure" style="width:initial;"><table class="op-uc-table"><thead class="op-uc-table--head"><tr class="op-uc-table--row"><th class="op-uc-p op-uc-table--cell op-uc-table--cell_head" style="background-color:rgb(240, 240, 240);border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;"><strong>Relationship</strong></th><th class="op-uc-p op-uc-table--cell op-uc-table--cell_head" style="background-color:rgb(240, 240, 240);border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;"><strong>Name</strong></th><th class="op-uc-p op-uc-table--cell op-uc-table--cell_head" style="background-color:rgb(240, 240, 240);border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;"><strong>Description</strong></th></tr></thead><tbody><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">SCM-WMS</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">transfer tables</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">Tables to receive and send information between the ERP and WMS</td></tr><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">SCM-WMS</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">RFC</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">A RFC connection over tcp/ip is used to transfer information between the ERP and WMS</td></tr><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">SCM-WMS</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">webservice</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">A webservice connection over http is used to transfer information between the ERP and WMS</td></tr><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">User Interfaces-WMS</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">REST</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">User interfaces communicate via REST API with OpenWMS.org services</td></tr><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">User Interfaces-WMS</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">Events</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">User interfaces may also communicate via websockets and receive events from OpenWMS.org</td></tr><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">MES-TMS</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">webservice</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">MES may control the TMS services via http webservices</td></tr><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">PLC-TMS</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">RFC</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">A PLC is usually connected via RFC over tcp/ip to the TMS services</td></tr><tr class="op-uc-table--row"><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">Printing System-WMS</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px;vertical-align:top;">RFC</td><td class="op-uc-p op-uc-table--cell" style="border:1px solid rgb(221, 221, 221);padding:7px 10px !important 7px;vertical-align:top;">A printing system is addressed over tcp/ip to print reports from WMS</td></tr></tbody></table></figure>