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Forrestville Valley School District #221
Forrestville Valley School District #221

... 3. The "fair use" rules governing student reports in classrooms are less stringent and permit limited use of graphics and text. 4. Material from software owned by the Forrestville Valley School District #221 or school may not be used without permission or unless the licensing agreement specifically ...
lecture - (www.CUNY.edu).
lecture - (www.CUNY.edu).

... Internet transport protocol  “best effort” service, UDP segments may be:  lost  delivered out of order to app  connectionless:  no handshaking between UDP sender, receiver  each UDP segment handled independently of others ...
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... Regardless of the method used, changes in routing information take time to propagate to all routers on the network. The term convergence is used to describe the condition when all routers have the same (or correct) routing information. Routers provide more functionality than either switches or bridg ...
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3rd Edition: Chapter 4
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Deep packet inspection

Deep Packet Inspection (DPI, also called complete packet inspection and Information eXtraction or IX) is a form of computer network packet filtering that examines the data part (and possibly also the header) of a packet as it passes an inspection point, searching for protocol non-compliance, viruses, spam, intrusions, or defined criteria to decide whether the packet may pass or if it needs to be routed to a different destination, or, for the purpose of collecting statistical information. There are multiple headers for IP packets; network equipment only needs to use the first of these (the IP header) for normal operation, but use of the second header (TCP, UDP etc.) is normally considered to be shallow packet inspection (usually called Stateful Packet Inspection) despite this definition.There are multiple ways to acquire packets for deep packet inspection. Using port mirroring (sometimes called Span Port) is a very common way, as well as an optical splitter.Deep Packet Inspection (and filtering) enables advanced network management, user service, and security functions as well as internet data mining, eavesdropping, and internet censorship. Although DPI technology has been used for Internet management for many years, some advocates of net neutrality fear that the technology may be used anticompetitively or to reduce the openness of the Internet.DPI is used in a wide range of applications, at the so-called ""enterprise"" level (corporations and larger institutions), in telecommunications service providers, and in governments.
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