Essays Tagged: "OSI model"
Wide Area Networking
Area Network is the Internet. WAN technologies generally function at the lower three layers of the OSI Model: the Physical Layer, the Data Link Layer, and the Network Layer (all layers are shown in o ... et Protocol are known as Network Service Providers (NSP's). These form the core of the Internet.The OSI (Open System Interconnection) Model: -ApplicationPresentationSessionTransportNetworkData LinkPhy ...
Subjects: Science Essays > Computer Science > Internet and networking
Data Communications: Wide Area Networks
h is the biggest in existence. WAN technologies generally function at the lower three layers of the OSI reference model- the physical layer, the data link layer, and the network layer.Types and Charac ... cally switch such traffic as Frame Relay, X.25, and SMDS, and operate at the data link layer of the OSI reference model.An access server acts as a concentration point for dial-in and dial-out connecti ...
Subjects: Science Essays > Computer Science > Computer Ethics
What is an Address Resoultion Protocol and why do we care?
Switches operate at the data link layer (layer 2) and sometimes the network layer (layer 3) of the OSI Reference Model and therefore support any packet protocol. LANs that use switches to join segmen ... Switches operate at the data link layer (layer 2) and sometimes the network layer (layer 3) of the OSI Reference Model and therefore support any packet protocol. Routers (L3) Routing switches, howeve ...
Subjects: Science Essays > Technology
How the OSI model works
I will try to explain how the OSI model works so that itis easier to understand for those that have trouble withthe concept. Think ...
Subjects: Science Essays > Computer Science > Internet and networking
Future of the OSI Model
The OSI, or Open System Interconnection, model defines a networking framework for implementing protocols ... proceeding to the bottom layer, over the channel to the next station and back up the hierarchy. The OSI model is not a real network architecture, because it does not really specify the services and pr ... Nevertheless, the ISO has developed its own standards for each layer, and this independently of the OSI model, i.e. as does any manufacturer. Regarding its use and implementation, and in spite of an u ...
Subjects: Science Essays > Computer Science > Internet and networking
SONET
unctions in the SONET frame. The first layer is the Section layer that moves data across the media (OSI - 1). The second layer is the Line layer which maps the payload into the electrical STS signal t ... h maps the payload into the electrical STS signal to send to the peer terminating network elements (OSI - 2). The third layer is the Path layer which maps sevices into the preliminary payload prior to ...
Subjects: Humanities Essays
Ethernet Protocol
been damaged during transmission. (Cisco)The Ethernet devices only use the bottom two layers of the OSI protocol and the physical layer is the first level. For encoding the signals, Ethernet uses Manc ... gh the physical layer aspects. Because Ethernet devices implement only the bottom two layers of the OSI protocol stack, they are typically implemented as network interface cards that plug into the hos ...
Subjects: Science Essays > Computer Science > Internet and networking
The Art Of Subnetting
less algebra. For example, the IP address (which is an address that resides at the 3rd layer of the OSI model) is presented in dotted decimal format. Simply, the eight digits in an octet (hence the na ...
Subjects: Literature Research Papers > European Literature > Authors > Shakespeare > Hamlet
OSI, TCP/IP models comparison
ata between two devices" (Webopedia, 2008). Network protocol design is explained by two models, The OSI model and the TCP/IP model.The OSI model was developed by the International Organization for Sta ... nce between each layer, because some network systems do not completely follow the model. Still, the OSI model is considered to be "the model" to base all network protocols.The 7 layers of the OSI mode ...
Subjects: Science Essays > Computer Science > Internet and networking
The main benefits of the OSI model
The main benefits of the OSI model include the following: • Helps users understand the big picture of networking • ... Aids in interpreting vendor explanations of product functionality Layer 1 The physical layer of the OSI model defines connector and interface specifications as well as the required cables for the job. ... l SCSI (Small Computer System Interface) • Network Interface Card (NIC) Layer 2 Layer 2 of the OSI model is the Data Link layer. In this layer it provides the function of: • Allowing a devic ...
Subjects: Science Essays > Computer Science > Internet and networking
Description of OSI layers
Description of OSI layersOSI ModelData unit Layer FunctionHostlayers Data 7. Application Network process to applica ... mission[edit] Layer 7: Application LayerMain article: Application LayerThe application layer is the OSI layer closest to the end user, which means that both the OSI application layer and the user inte ... s that implement a communicating component. Such application programs fall outside the scope of the OSI model. Application layer functions typically include identifying communication partners, determi ...
Subjects: Science Essays > Computer Science > Internet and networking
Huffman Trucking Network Analysis
acts About Huffman Trucking, 2009). According to Webopedia (2008), the Open System Interconnection (OSI), model defines a networking framework for implementing protocols in seven layers. This paper wi ... en layers. This paper will discuss Huffman's data network and how layers three through seven of the OSI Model are used within the network.Located at Huffman's various offices and plants were several s ...
Subjects: Science Essays > Technology
Design a Network Infrastructure Because Networks are Configured in Many Ways, Network Systems and Data Communications Analysts are Needed to Design, Test, and Evaluate Systems Such as Local Area Networks (lans)
Area Network is the Internet. WAN technologies generally function at the lower three layers of the OSI Model: the Physical Layer, the Data Link Layer, and the Network Layer (all layers are shown in o ... et Protocol are known as Network Service Providers (NSP's). These form the core of the Internet.The OSI (Open System Interconnection) Model: -ApplicationPresentationSessionTransportNetworkData LinkPhy ...
Subjects: Science Essays > Computer Science > Internet and networking
In the Late 70
ame to be, that raised competition for TCP/IP. This protocol was known as Open System Interconnect (OSI). The International Standards Organization (ISO) developed OSI. The job of the ISO is to set sta ... for networking, character sets, database access and much more. The main goal of the ISO was to make OSI the standard protocol for worldwide internetworking. The US government became interested in OSI ...
Subjects: Science Essays > Computer Science > Internet and networking
Multiplexing
ow widely applied in communications.Multiplexing is provided by the physical layer of the OSI model, while multiple access also involves a media access control protocol, which is part of the ...
Subjects: Science Essays > Computer Science > Internet and networking
Differences of NTC360 Terms
advantages and disadvantages of each type discussed. Furthermore, I will discuss the levels of the OSI Model and TCP/IP functions.MeshMesh topology is a way to route data, voice, and instructions bet ... re slowly transfer rate than wired technology, which therefore, can affect production.Levels of the OSI modelThe levels of the OSI model consists of seven layers which are the Physical, Data link, Net ...
Subjects: Businesss Research Papers > Management
World Wide Web, history of the Internet, TCP/IP, Internet Protocols, DHCP, etc. This report shows important roles that the Internet has had since its inception.
d as having four layer architecture. This layer architecture is often compared with the seven-layer OSI Reference Model formalized after the TCP/IP specifications.Network Address Translation (NAT) is ...
Subjects: Science Essays > Computer Science > Internet and networking
Network Security - Firewalls IT Infrastructure - CMGT 554
firewall capability.This level of Firewall operates at the third or the "network layer" of the OSI model. The higher on the OSI model the firewall operates the more secure it tends to be; however ... through.Circuit-level GatewayA Circuit-level gateway operates at the session-layer of the OSI. The circuit level gateway monitors the TCP handshake packets coming from trusted clients and un ...
Subjects: Businesss Research Papers > Management
NTC/406 Cross Layer or Hybrid Analysis and Recommendations
e a more dedicated means by which to transport data. Both mediums operate on the first layer of the OSI model. The following sections will discuss both mediums of transport.BPL TechnologyBPL, what thi ... s of Broadband on CAT 5 CableThere are a lot of different types of businesses that struggle with choosing the type of network cable to use. Cat 5 has been the main choice for many years, but with newe ...
Subjects: Science Essays > Computer Science > Internet and networking