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A processing instruction (PI) is an SGML and XML node type, which may occur anywhere in a document, intended to carry instructions to the application. [1] [2]Processing instructions are exposed in the Document Object Model as Node.PROCESSING_INSTRUCTION_NODE, and they can be used in XPath and XQuery with the 'processing-instruction()' command.
No: Ident, authentication service/identification protocol, [11] [65] used by IRC servers to identify users Yes: Assigned: Authentication Service (auth), the predecessor to identification protocol. Used to determine a user's identity of a particular TCP connection. [66] 115: Yes: Assigned: Simple File Transfer Protocol [67] 117: Yes: UUCP ...
A tarpit is a service on a computer system (usually a server) that purposely delays incoming connections. The technique was developed as a defense against a computer worm , and the idea is that network abuses such as spamming or broad scanning are less effective, and therefore less attractive, if they take too long.
When a node in a cluster fails, strategies such as "fencing" may be employed to keep the rest of the system operational. [25] [26] Fencing is the process of isolating a node or protecting shared resources when a node appears to be malfunctioning. There are two classes of fencing methods; one disables a node itself, and the other disallows ...
Flooding is used in computer network routing algorithms in which every incoming packet is sent through every outgoing link except the one it arrived on. [ 1 ] Flooding is used in bridging and in systems such as Usenet and peer-to-peer file sharing and as part of some routing protocols , including OSPF , DVMRP , and those used in ad-hoc wireless ...
In JNI, for example, C code which "holds on to" object references that it receives from Java must communicate this information successfully to the Java virtual machine or Java Runtime Environment (JRE), otherwise, Java may delete objects before C finishes with them. (The C code must also explicitly release its link to any such object once C has ...
In telecommunications, node-to-node data transfer [1] is the movement of data from one node of a network to the next. In the OSI model it is handled by the lowest two layers, the data link layer and the physical layer .
The Real-Time Specification for Java (RTSJ) is a set of interfaces and behavioral refinements that enable real-time computer programming in the Java programming language. RTSJ 1.0 was developed as JSR 1 under the Java Community Process, which approved the new standard in November, 2001. RTSJ 2.0 is being developed under JSR 282.