osi transport layer ppt
Tài liệu Chapter 4 - OSI Transport Layer CCNA Exploration version 4.0 docx
... 45Chapter 4 - OSI Transport Layer CCNA Exploration version 4.0CCNA Exploration version 4.0Flow ControlWhen datagrams arrive too quickly for a host or gateway to process and the transport function ... Học viện mạng Bách khoa - Website: www.bkacad.com 29 Transport Layer Role and Services• Describe the role of segments in the transport layer and the two principle ways segments can be marked ... mạng Bách khoa - Website: www.bkacad.com 25 Transport Layer Role and ServicesHọc viện mạng Bách khoa - Website: www.bkacad.com 9• At the Transport layer the three basic operations of reliability...
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Tài liệu Chapter 5 - OSI Network Layer CCNA Exploration version 4.0 ppt
... The protocols of the OSI model Network layer specify addressing and processes that enable Transport layer data to be packaged and transported. The Network layer encapsulation allows its contents ... )Network Layer FieldsHọc viện mạng Bách khoa - Website: www.bkacad.com 14• 8 bits• Specifies the level of importance that has been assigned by upper -layer protocolRouting and Layer 2 SwitchingHọc ... 39Network Layer Protocols and Internet Protocol (IP)Học viện mạng Bách khoa - Website: www.bkacad.com 3• Define the basic role of the Network Layer in data networks• The protocols of the OSI model...
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SANS Institute InfoSec Reading Room: Applying the OSI Seven Layer Network Model To Information Security pptx
... 1999URL:http://mike.passwall.com/networking/netmodels/isoosi7layermodel.html[4] R Feig, “The OSI Reference Model”, Date Unknown,URL:http://www2.rad.com/networks/1994 /osi/ osi.htm[5] H S Ha, OSI 7 Layer , 2000URL:http://userpages.umbc.edu/~hha1/network/protocol.html[6] ... the OSI seven -layer model to Information Security Layer Five- Session Layer The Session Layer is concerned with the organization of data communicationsinto logical flows. It takes the higher layer ... common control at layer four as well as layer three. Firewall rules should be written to be as strict as possible regarding transport layer identity. This means that transport layer protocols should...
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Transport Layer
... from aboveWait for ACK or NAK 1ΛΛ Transport Layer 3-5 Transport vs. network layer ❒network layer: logical communication between hosts❒ transport layer: logical communication between ... control❒learn about transport layer protocols in the Internet:❍UDP: connectionless transport ❍TCP: connection-oriented transport ❍TCP congestion control Transport Layer 3-49Selective ... (message)other header fieldsTCP/UDP segment format Transport Layer 3-2Chapter 3: Transport Layer Our goals: ❒understand principles behind transport layer services:❍multiplexing/demultiplexing❍reliable...
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Tài liệu Module 5: Managing the Business Logic Layer pptx
... Using Business Desk 44 Review 55 Module 5: Managing the Business Logic Layer Module 5: Managing the Business Logic Layer 3 HTTP: A Stateless Protocol State: Information or data that ... need the following materials: Microsoft PowerPoint® file 2260A_05 .ppt Module 5, “Managing the Business Logic Layer Lab 5, “Using Business Desk” Preparation Tasks To prepare ... How HTTP works HTTP is a Transmission Control Protocol/Internet Protocol (TCP/IP) application layer protocol that is responsible for the communication that takes place between browser and server...
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Tài liệu Chapter 8 - OSI Physical Layer CCNA Exploration 4.0 pdf
... been segmented by the Transport layer, placed into packets by the Network layer, and further encapsulated as frames by the Data Link layer. The purpose of the Physical layer is to create the ... Physical layer. Characteristics & Uses of Network MediaHọc viện mạng Bách khoa - Website: www.bkacad.com• The Physical layer is concerned with network media and signaling. This layer produces ... context to give them meaning to the upper layers of the networking model. This framing method can be provided by the Data Link layer, the Physical layer, or by both.• Signal patterns can indicate:...
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Tài liệu Supporting Configurable Congestion Control in Data Transport Services ppt
... 23udt.sourceforge.netSimplicity & ExpressivenessCCCBase Congestion Control ClassCTCPTCP NewRenoCGTPGroup Transport ProtocolCUDPBlastReliable UDPBlastCFASTFAST TCPCVegasTCP VegasCScalableScalable ... variety of protocolsReliable UDT blastTCP and its variants (both loss and delay based)Group transport protocols11 :: 23udt.sourceforge.netExamples: Reliable UDP Blastclass CUDPBlast: ... and timeliness)1 :: 23udt.sourceforge.netSupporting Configurable Congestion Control in Data Transport Services Yunhong Gu and Robert L. GrossmanLaboratory for Advanced ComputingNational...
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Tài liệu Module 9: The Transactional Data Access Layer pptx
... Module 9: The Transactional Data Access Layer 3 The Business Problem DALConnected Business Logic Layer Disconnected Business Logic Layer Facade Layer Web Services Facade Business FacadeTransactional ... business logic layer. The transactional DAL then processes the requests by delegating the requests to the data services layer. The transactional DAL can return to the business logic layer either ... parts. Although the Composite design pattern is a structural design pattern, it works very well to help organize data. Often the Data Shaping Service implements the Composite design pattern....
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Chapter 17: Transport Protocols ppt
... TCP Mechanisms (3)❚Connection termination❙Graceful close❙TCP users issues CLOSE primitive❙ Transport entity sets FIN flag on last segment sent❙Abrupt termination by ABORT primitive❘Entity ... segment is re-transmitted❚Receiver must recognize duplicates❚Duplicate received prior to closing connection❙Receiver assumes ACK lost and ACKs duplicate❙Sender must not get confused with ... number space large enough to not cycle within maximum life of segment❚Duplicate received after closing connection Credit Scheme❚Greater control on reliable network❚More effective on unreliable...
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UNDERSTANDING INTERNET ROUTING ANOMALIES AND BUILDING ROBUST TRANSPORT LAYER PROTOCOLS docx
... performanceusing striping techniques at the link -layer, transport- layer, and application -layer. We arethe first to implement and evaluate a transport- layer protocol that can utilize multiplepaths ... and robustness.Based on the network layer where the striping techniques are applied, we classify theminto link -layer, transport- layer, and application -layer striping.2.1 Network TestbedsWe ... . . . . . . . . . . . . . . . . . . . . 162.6 Link -Layer and Application -Layer Striping . . . . . . . . . . . . . . . . 182.7 Transport- Layer Striping . . . . . . . . . . . . . . . . . . ....
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Báo cáo khoa học: Effect of magnesium ions on the activity of the cytosolic NADH/cytochrome c electron transport system pptx
... sites.With regard to the effect of magnesium on the activ-ity of the cytosolic NADH/cyto-c electron transport system, our data show a new finding, not elicited pre-viously, that magnesium presents ... nmolÆmin)1Æmg)1(Fig. 1).Tentatively, it could be hypothesized that magnesium,with its two positive charges, may function as a linkerbetween the negative charges of phospholipids and/orproteins. ... support for the functional activity, in livermitochondria, of the cytosolic NADH/cyto-c electron transport system. The oxidation of exogenous NADHoccurs exclusively if cyto-c is also present outside...
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Los Angeles: Highest Density, Best Transport System pptx
... urban elite generally evaluate transportation systems based upon what is there, on inputs. More trains means better transportation. Fewer cars mean better transportation (seriously, they ... discordant song sheet. Best Transportation System among World Megacities: However, the greatest condemnation of some urban planners is usually on the issue of transportation. Los Angeles is ... large enough to justify a National Football League team. TRANSPORT As noted above, Los Angeles has a well coordinated and effective transportation system. Roadways: Los Angeles is renown...
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Báo cáo khoa học: A sucrose binding protein homologue from soybean exhibits GTP-binding activity that functions independently of sucrose transport activity pptx
... long-distance transport, the key transport step in assimilate partitioning for many plants[3–5]. SUT1 serves as a high-affinity transporter, whereasSUT4, a second member of this sucrose transporter ... sucrose uptake system inplants. SBP-mediated sucrose transport displays unique ki-netic features and the protein is not similar to other transport proteins. Here, we report the characterization ... sucrose transport by SBP are separableand function independently. The implications of our findingswith respect to the function and membrane topology of SBPare discussed.Keywords: sucrose transporter;...
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