Definition of Bonjour

Bonjour is a networking technology developed by Apple Inc., which enables devices to discover and communicate with each other over a local network without the need for prior configuration or setup. It employs a protocol called Zero Configuration Networking (Zeroconf) to automatically configure IP addresses and hostnames, and to browse or advertise available services. Common applications of Bonjour include file sharing, printers, and media streaming among devices on the same local network.


The phonetic pronunciation of the keyword “Bonjour” is /bɔ̃ˈʒuʁ/.

Key Takeaways

  1. Bonjour, also known as zero-configuration networking, is a service developed by Apple that automatically discovers devices on a network without requiring manual configuration.
  2. It uses Multicast Domain Name System (mDNS) to facilitate communication and sharing of services within a local network, making it easy to connect devices like printers, computers, and smartphones.
  3. Bonjour is widely used in various applications like iTunes sharing, printing, file sharing, and more, but can be restricted in larger network environments due to scalability and security concerns.

Importance of Bonjour

Bonjour is an important technology term as it refers to a zero-configuration networking protocol developed by Apple Inc., which greatly simplifies the process of connecting devices within a network.

This protocol, also known as multicast Domain Name System (mDNS), automatically discovers and communicates with other devices and services on a local network, eliminating the need for manual configuration.

By providing seamless and user-friendly solutions for sharing resources such as printers, files, or Internet connections, Bonjour enhances the overall user experience and supports a wide range of applications and devices, further contributing to the development and evolution of technology.


Bonjour is a technology developed by Apple, Inc. aimed at simplifying connectivity and usability of devices within a local area network. The primary purpose of Bonjour is to enable the seamless discovery of devices and services on a shared network without the need for manual configuration or setup by the user.

It does this using a set of protocols based on the concept of the zero-configuration networking found in the IETF standards. By employing Bonjour, users can easily locate printers, servers, or other hardware, as well as discover and access shared software services such as file servers, music streaming, instant messaging, and more. The underlying principle that powers Bonjour lies in its ability to automate various network tasks, including assigning IP addresses, resolving network names, and managing communication between devices and services.

Essentially, a Bonjour-enabled device or service announces its presence on the network, and other devices can discover, communicate, and interact with it without any complex configuration. Such technology proves to be invaluable in dynamic environments where devices frequently join and leave the network, or in situations where users are not familiar with network configurations. Overall, Bonjour technology enhances user experience and offers streamlined connectivity, ultimately leading to improved productivity and collaboration in both personal and professional settings.

Examples of Bonjour

Bonjour is a technology developed by Apple for zero-configuration networking. It allows devices and applications to automatically discover and communicate with each other on the same network. Here are three real-world examples of Bonjour technology in action:

Apple’s AirPrint: AirPrint enables Apple devices like iPhones, iPads, and Macs to discover and connect with compatible printers on a local network, without the need to install any drivers or perform manual configurations. With Bonjour, the devices can automatically find available printers and send print jobs.

iTunes Music Sharing: Bonjour allows users to share their iTunes libraries with other devices on the same network. The shared iTunes music appears automatically in the iTunes app on other computers or devices when they are connected to the same network. It simplifies music sharing without the need for manual setup or file transfers.

Screen sharing and file sharing on Macs: When Mac computers are connected to the same local network, they can use Bonjour to automatically discover one another and enable screen sharing, file sharing, or remote access. Users can easily collaborate, share files, or troubleshoot issues on other Macs without needing to set up complex connections or configurations.

Bonjour FAQ

Q1: What does “Bonjour” mean?

A1: “Bonjour” is a French greeting which translates to “Hello” or “Good day” in English. It’s a friendly way to greet someone in the French language.

Q2: When should I use “Bonjour”?

A2: You can use “Bonjour” in formal and informal situations when greeting someone in French, especially during the daytime hours. It is appropriate to use in person, on the telephone, or in written communication.

Q3: Can “Bonjour” be used in the evening or night?

A3: “Bonjour” is typically used during the day. For evening or night, it is more common to use “Bonsoir,” which translates to “Good evening” in English.

Q4: Can “Bonjour” be used to say goodbye?

A4: No, “Bonjour” is not used to say goodbye. Instead, use “Au revoir” which means “Goodbye” or “À bientôt” which means “See you soon” in English.

Q5: Is “Bonjour” more appropriate for formal or informal settings?

A5: “Bonjour” is appropriate for both formal and informal settings. It’s a polite and friendly way to greet someone in French, no matter the context.

Related Technology Terms

  • Zero-configuration networking
  • Service discovery
  • Multicast Domain Name System (mDNS)
  • Apple devices
  • Automatic network setup

Sources for More Information


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