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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.
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 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.
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.
Well-known URIs are Uniform Resource Identifiers defined by the IETF in RFC 8615. [1] They are URL path prefixes that start with /.well-known/.This implementation is in response to the common expectation for web-based protocols to require certain services or information be available at URLs consistent across servers, regardless of the way URL paths are organized on a particular host.
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.
Amazon Route 53 is a Domain Name System (DNS) service by Amazon Web Services (AWS) since 2010. The name is a possible reference to U.S. Routes , [ 1 ] and "53" is a reference to the TCP/UDP port 53 , where DNS server requests are addressed. [ 2 ]