whatsapp – Functional Non-functional requirements

functional requirements of Whatsapp’

Specific actions or capabilities that a system, product, or service must be able to accomplish in order to meet the needs or expectations of a user are referred to as functional requirements.
Here are some functional criteria that may apply to a messaging software such as WhatsApp:

1. End-to-end encryption: To preserve user privacy, WhatsApp should offer secure end-to-end encryption for all messages and calls.
2. User account creation and management: Users should be able to establish and manage their own accounts, including adding contacts and setting up a profile.
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3. WhatsApp should be accessible on numerous platforms, including Android, iOS, and the web, and it should be able to sync messages and media between devices.
4. User banning and reporting: WhatsApp should allow users to block and report other users who are acting inappropriately or abusively.
5. WhatsApp should deliver push notifications to notify users of new messages or calls.
6. Messaging: WhatsApp users should be able to send and receive text, picture, and video messages from and from other users.
7. WhatsApp users should be allowed to establish and participate in group conversations with other users.
8. WhatsApp users should be able to make voice and video calls to other WhatsApp users.
9. WhatsApp users should be able to transmit and receive photographs, videos, and other forms of material.

non-functional requirements of Whatsapp’s

Non-functional requirements define a system’s performance, dependability, security, and other properties rather than particular actions.
Here are some non-functional needs that might apply to WhatsApp:

1. WhatsApp should be compatible with a wide range of devices and operating systems.
2. WhatsApp should be able to handle diverse character sets and cultural traditions and should support numerous languages.
3. WhatsApp’s data and conversations should be protected against unwanted access or alteration.
   Encryption and secure authentication are examples of such techniques.
4. Scalability: WhatsApp should be able to accommodate a growing number of users and messages without slowing down.
5. WhatsApp should be accessible to users with disabilities, such as those who are blind or have limited vision, have hearing difficulties, or have mobility challenges.
6. Performance: WhatsApp should be able to manage a large amount of messages while maintaining a quick response time, especially during peak use periods.
7. WhatsApp should be operational at all times, with a high uptime and a minimal downtime.