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### 1) Introduction  
#### 1.1) Purpose  
The Supply Chain Management System (SCMS) will be deployed in mid-to-large-scale enterprises to streamline procurement, inventory, logistics, and distribution processes. It will help businesses optimize operations, reduce costs, and improve efficiency by providing real-time tracking, analytics, and automation tools.  

#### 1.2) Project Scope  
The software will cover end-to-end supply chain processes, including supplier management, order processing, inventory control, shipment tracking, and reporting. It will integrate with existing ERP and CRM systems to ensure seamless data flow.  

#### 1.3) Environmental Characteristics  
- **Hardware:** Servers (cloud or on-premise), desktops/laptops, barcode scanners, RFID readers.  
- **Software:** Windows/Linux OS, databases (MySQL, PostgreSQL), web browsers (Chrome, Firefox), and integration with ERP/CRM systems.  

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### 2) Overall Description of SRS Document  
#### 2.1) Product Perspective  
This is a new software solution designed to replace outdated, manual, or fragmented supply chain processes. It will centralize operations and provide a unified platform for all stakeholders.  

#### 2.2) Product Features  
- Real-time inventory tracking  
- Automated order processing  
- Supplier and vendor management  
- Logistics and shipment tracking  
- Analytics and reporting dashboards  

#### 2.3) User Classes  
- **Administrators:** Manage system settings and user permissions.  
- **Managers:** Oversee operations, generate reports, and make decisions.  
- **Warehouse Staff:** Handle inventory, shipments, and order fulfillment.  
- **Suppliers/Vendors:** Access order details and update delivery statuses.  

#### 2.4) Operating Environment  
- **Hardware:** Minimum 8GB RAM, Intel i5 processor or equivalent.  
- **Software:** Compatible with Windows 10/11, Linux Ubuntu 20.04+, and modern web browsers.  

#### 2.5) Design and Implementation Constraints  
- **Corporate Policies:** Compliance with GDPR and ISO 9001 standards.  
- **Hardware Limitations:** Must support legacy barcode scanners.  
- **Technologies:** Built using Python (Django), React.js, and PostgreSQL.  

#### 2.6) User Documentation  
- **User Manuals:** Step-by-step guides for all features.  
- **Online Help:** Contextual help within the application.  
- **Troubleshooting Manual:** Common issues and solutions.  

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### 3) Functional Requirements  
#### 3.1) User Class 1: Administrators  
- **3.1.1)** Manage user roles and permissions.  
- **3.1.2)** Configure system settings and integrations.  

#### 3.2) User Class 2: Managers  
- **3.2.1)** Generate and analyze supply chain reports.  
- **3.2.2)** Approve purchase orders and monitor inventory levels.  

#### 3.3) User Class 3: Warehouse Staff  
- **3.3.1)** Scan and update inventory in real-time.  
- **3.3.2)** Process and pack orders for shipment.  

#### 3.4) User Class 4: Suppliers/Vendors  
- **3.4.1)** View and confirm purchase orders.  
- **3.4.2)** Update delivery statuses and track shipments.  

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### 4) External Interface Requirements  
#### 4.1) User Interface  
- Intuitive, responsive web-based UI with dashboards and role-based views.  

#### 4.2) Hardware Interface  
- Compatibility with barcode scanners, RFID readers, and printers.  

#### 4.3) Software Interface  
- Integration with ERP (e.g., SAP) and CRM (e.g., Salesforce) systems.  

#### 4.4) Communication Interface  
- APIs for third-party integrations and real-time notifications via email/SMS.  

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### 5) Non-Functional Requirements  
#### 5.1) Performance Requirements  
- System must handle up to 10,000 concurrent users with <2s response time.  

#### 5.2) Safety  
- Data backups and disaster recovery mechanisms must be in place.  

#### 5.3) Security  
- Role-based access control, encryption of sensitive data, and regular security audits.  

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