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Even though the protocol defines multiple methods that may be invoked by the device on the ACS, only one is commonly found - TransferComplete - which is used to inform the ACS of the completion of a file transfer initiated by a previously issued Download or Upload request. This stage is finalized by transmission of empty HTTP-request to the ACS.
The request did not specify the length of its content, which is required by the requested resource. 412 Precondition Failed The server does not meet one of the preconditions that the requester put on the request header fields. 413 Payload Too Large The request is larger than the server is willing or able to process.
Constrained Application Protocol (CoAP) is a specialized UDP-based Internet application protocol for constrained devices, as defined in RFC 7252.It enables those constrained devices called "nodes" to communicate with the wider Internet using similar protocols.
Download QR code; Print/export ... a server is required to respond to a request, ... The HTTP specification suggests the phrase "Not Found" [1] ...
Node.js uses an event loop for concurrent I/O, instead of processes or threads. [59] In contrast to other event-driven servers, [which?] Node.js's event loop does not need to be called explicitly. Instead, callbacks are defined, and the server automatically enters the event loop at the end of the callback definition.
Berkeley sockets originated with the 4.2BSD Unix operating system, released in 1983, as a programming interface.Not until 1989, however, could the University of California, Berkeley release versions of the operating system and networking library free from the licensing constraints of AT&T Corporation's proprietary Unix.
The server can use the used-units count for debiting the subscriber balance (granting units does not indicate that they will be used. The Used-Units AVP contains the actual usage). It is also possible for the server to tell the client how long the grant is valid, in which case the client is expected to send an update when the grant timer expires.
One PURL is sufficient to serve as a top-level node for a hierarchy on a single target server. The new PURL service uses the type "partial" to denote a PURL that performs partial redirection. Partial redirections at the level of a URL path do not violate common interpretations of the HTTP 1.1 specification.