Apple QuickTime Streaming Server Darwin Streaming Server manual

broadcast user A user who has permission to broadcast to the streaming server. The broadcast user name and password are set in the General Settings pane of Streaming Server Admin and are used in conjunction with announced broadcasts. It is not necessary to create a broadcast user for UDP broadcasts.

browser plug-inSoftware that you attach to a browser to enable it to display speciﬁc data formats.

byte Eight bits.

client The user-side software or computer used to display streaming media.

codec Any technology for compressing and decompressing data. Codecs can be implemented in software, hardware, or a combination of both.

CVS Concurrent Versions System, a programming code management system.

D, E

data rate Amount of information per second.

DNS (Domain Name Service) A service that translates host names to IP addresses.

DSL (digital subscriber line) A broadband data transmission technology that operates over telephone lines.

DV (digital video) A digital tape-recording format using approximately 5:1 compression to produce Betacam quality on a very small cassette.

F, G

firewall Software that protects the network applications and networking stack of a server. IP Firewall service, which is part of Mac OS X Server software, scans incoming IP packets and rejects or accepts these packets based on a set of ﬁlters you create.

FireWire A hardware technology for exchanging data with peripheral devices, deﬁned by IEEE Standard 1394. Also called iLink.

frame A single image in a movie or sequence of images.

frame rate In a movie, the number of frames per second.

FTP (File Transfer Protocol) A protocol that allows computers to transfer ﬁles over a network. FTP clients using any operating system that supports FTP can connect to a ﬁle server and download ﬁles, depending on their access privileges. Most Internet browsers and a number of freeware applications can be used to access an FTP server.

70Glossary

QuickTime Streaming Server Darwin Streaming Server specifications

Apple QuickTime Streaming Server, also known as Darwin Streaming Server, is a pivotal technology in the realm of multimedia streaming. Developed by Apple Inc., this open-source server software is designed specifically for the efficient delivery of video and audio content over the internet. One of the standout features of Darwin Streaming Server is its capability to stream content using the QuickTime file format, which is widely adopted for rich media applications.

A core characteristic of Darwin Streaming Server is its support for the Real-Time Streaming Protocol (RTSP). This protocol enables the server to communicate effectively with user clients, ensuring smooth playback of multimedia content. RTSP also allows for advanced streaming capabilities, such as pause, rewind, and fast forward, providing users with a versatile viewing experience.

Darwin Streaming Server is built on a highly modular architecture that enhances its scalability and flexibility. It can easily handle multiple simultaneous streams, making it suitable for both small-scale projects and large-scale broadcast environments. The server can efficiently manage bandwidth, optimizing the delivery of content even during peak usage times.

Another notable feature of Darwin Streaming Server is its robust integration with Apple’s QuickTime technology. This compatibility enables the seamless distribution of interactive media, which is crucial for applications in education, entertainment, and corporate training. The server can stream both live and on-demand audio and video content, catering to a diverse audience.

Additionally, Darwin Streaming Server supports various streaming formats, including MP3 and AAC for audio and H.264 for video. This flexibility allows content creators to deliver high-quality media while maintaining compatibility with various devices and platforms, from desktop computers to mobile devices.

Security is another important aspect of Darwin Streaming Server. It supports encryption protocols, ensuring that sensitive content is protected during transmission. This is particularly valuable for organizations that need to secure proprietary content or deliver private media to specific audiences.

In conclusion, Apple QuickTime Streaming Server, or Darwin Streaming Server, stands out as a powerful tool for multimedia streaming. Its integration of RTSP, compatibility with QuickTime, modular architecture, and robust security features make it an ideal choice for businesses and content creators looking to deliver high-quality streaming experiences. Whether used for live broadcasts or on-demand content, Darwin Streaming Server remains a significant contributor to the evolution of online media delivery.