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The Experience API (xAPI) is an e-learning software specification that records and tracks various types of learning experiences for learning systems. [1] Learning experiences are recorded in a Learning Record Store (LRS), which can exist within traditional learning management systems (LMSs) or on their own.
Amazon CloudFront is a content delivery network (CDN) operated by Amazon Web Services.The content delivery network was created to provide a globally-distributed network of proxy servers to cache content, such as web videos or other bulky media, more locally to consumers, to improve access speed for downloading the content.
The delivery node does a DNS lookup for an internal domain address op-b-acq.op-a.net. The uCDN recognises that the request is from a dCDN, rather than from a UE, and returns an IP address of a delivery node in the uCDN. The content /foo is delivered to the delivery node in dCDN from the delivery node in uCDN.
Proximity—choosing the closest service node—is estimated using a variety of techniques including reactive probing, proactive probing, and connection monitoring. [11] CDNs use a variety of methods of content delivery including, but not limited to, manual asset copying, active web caches, and global hardware load balancers.
The Experience API (Tin Can API) is a web service that allows software clients to read and write experiential data in the form of “statement” objects. In their simplest form, statements are in the form of “I did this”, or more generally “actor verb object”. More complex statement forms can be used.
The most common reason for a failed delivery is that the email address entered isn't valid. If the delivery failure message says the account doesn't exist double check the spelling of the address you entered. A single misplaced letter could cause a delivery failure.
Continuous delivery (CD) is a software engineering approach in which teams produce software in short cycles, ensuring that the software can be reliably released at any time. [ 1 ] [ 2 ] It aims at building, testing, and releasing software with greater speed and frequency.
AOL Mail is focused on keeping you safe while you use the best mail product on the web. One way we do this is by protecting against phishing and scam emails though the use of AOL Official Mail.