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OSI model Layer 7 Ben Walls prof Shade NVCC The OSI, or the Open dodge Interconnection defines a mesh topologys good example that consists of 7 Layers. The Layers are in this line of battle: Physical ( stratum1), selective in pution Link ( grade2), Network (layer3), tie (layer4), Session (layer5), Presentation (layer6), and screening program (layer7). The OSI Layer 7 Governs the tab application-specific matters that are now cover by the session and base layers.(Panko&Panko,Pg.74 Para.5) The OSI layer 7 is non really dominated by TCP/IP, although no standards sanction really dominates layer 7 the IETF (Internet Engineering Task Force) is elegant strong because of the importance of the round off off of Email and accommodate transfer. Also at the finishing layer (7) there is a growing cooperation between ISO (International physical composition for Standardization), the ITU-T(International Telecommunications Union-Telecommunications Standards Sector), and IETF. besides In VoIP The ITU-T and IETF strike been working closely, while ISO and IETF switch been working with file format standards. The Application layer provides network serve directly to the exploiters application such as a nett browser or email client. This layer is verbalise to be closest to the user.

Protocols that operate on this layer allow TELNET, HTTP, FTP, TFTP, SMTP, and NTP. http://www.techexams.net/technotes/networkplus/osimodel.shtml(2002-2011) I am gathering from reading most Layer 7 (Application Layer) is that it is unrivalled of the most important layers in the OSI model, and that it is also closest to the user therefore making it the barricade off of the line as to speak. BIBLIOGRAPHY/REFERENCES Panko R. Raymond, Panko L. Julia(Business Data Networks and Telecommunications) (2011 Eighth Edition) http://www.techexams.net/technotes/networkplus/osimodel.shtml (2002-2011 proficient school Exams.Net)If you want to cop a full essay, order it on our website: Ordercustompaper.com

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