The Ultimate Glossary of eLearning Terms

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CDN is a global network of proxy servers deployed in multiple data centers to enable the high availability and high performance of content being viewed by the learner. The primary purpose of the LTI standard, created by the IMS Global Learning Consortium, is to connect learning systems, such as an LMS, with external service tools. PNG (Portable Network Graphics). PNG is a file format that supports lossless data compression.

The A to Z of eLearning Acronyms Part 2

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Learning Tools Interoperability is a standard created by the IMS Global Learning Consortium. PNG was created as an improved, non-patented replacement for Graphics Interchange Format (GIF), and is the most widely used lossless image compression format on the Internet. The server only needs to provide whatever information the client needs to interact with the service. All data passed between the web server and browsers remain private and secure.