By Mukaddim Pathan
As the topic zone of CDN profits examine curiosity and momentum, it is vital to stick updated with contemporary advancements of its evolutionary song, in addition to the present panorama and roadmap. This ebook offers functionality types, case experiences, enterprise analyses, and several very important parts, so training engineers and teachers can use the textual content as a well timed reference.
• Provides an in-depth examine Cloud-based CDNs
• Includes CDN and streaming media fundamentals and tutorials
• Aimed to coach structures architects, practitioners, product builders, and researchers
• Material is split into introductory matters, complex content material, and professional areas
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Additional info for Advanced Content Delivery, Streaming, and Cloud Services
The purpose of the manifest file is to enable the origin server and eventually the CDN, to interpret the incoming live stream. It also assigns appropriate semantic meaning to the tracks in the stream, creates necessary parameters to decode the video/audio data, and makes appropriate heuristic decisions. This XML Smooth manifest file ultimately is the asset that the media player client connects to. The routing infrastructure plays a key role in selecting the optimal edge server to deliver the live stream to end-users.
Content Delivery Networks Vol. 9. Springer; 2008. 2. Lazar I, William T. Exploring content delivery networking. IT Prof 2001;3(4):47–49. 3. Pallis G, Vakali A. Insight and perspectives for content delivery networks. Commun ACM 2006;49(1):101–106. 4. Dilley J, Maggs B, Parikh J, Prokop H, Sitaraman R, Weihl B. Globally distributed content delivery. IEEE Internet Comput 2002;6(5):50–58. 5. Stockhammer T. Dynamic adaptive streaming over HTTP: Standards and design principles. Proceedings of the Second Annual ACM Conference on Multimedia Systems.
5 Dynamic Content and Application Acceleration Techniques Category Techniques Routing • Optimized route and path selection • Global traffic management across multiple data centers • Real-time route optimization to reduce round trip time (RTT) and Internet availability • Latency and packet-loss optimization of live streams • Server load balancing, level 4–7 switching, and packet redundancy Transport • High performance transport protocol with secure SSL termination, optimized window sizing, long-lived persistent HTTP connections, pipelining of requests, and intelligent retransmission • TCP optimization including transport flow optimization, selective acknowledgement, adaptive buffering, and congestion avoidance • Hierarchical queuing and scheduling • Optimized routing and path selection Applications • • • • • • Hierarchical edge caching Parsing of HTML pages and prefetching of embedded content Live and on-demand streaming and HTTP downloading Content-aware compression Stream splitting Content prepositioning Data transfer efficiency • • • • • Client-aware compression Application-aware compression Header compression Delta caching Object and metadata caching these ADC capabilities include hardware acceleration (SSL termination/offload, layer 7 content switching), application optimization (TCP multiplexing, TCP optimization, and SPDY protocol optimization), and network optimization (traffic rate shaping, network health checking, and WAN optimization).