Distributed applications are increasingly bandwidth hungry, and the emergence of the Internet is driving many LAN architectures to the limit.
Get Full Essay Get access to this section to get all help you need with your essay and educational issues. Get Access Internet Working Essay Sample Internetworking is the connection between two or more distinct computer networks or network segments together forming an internetwork otherwise known as the internet.
However, advances in desktop computer technology and multimedia application have left most computer networks in the dust. Processors have continued to double in performance every two years and we are entering a new age of application development that heavily utilizes multimedia streaming.
Networking technology hinges on gadgets that operate at layer 3 of the OSI Basic Reference Model such as routers to connect them together to allow traffic to flow back and forth between them across the complete internetwork to their destination.
Internet work was originally known as catenet.
It began as a way to connect various types of networking technology but became widespread through the development need to connect two or more local area networks through some wide area network. The contemporary modern networking practice is the Internet, a network of networks running different low-level protocols, unified by an internetworking protocol; the Internet Protocol IP The IP provides an unreliable packet service across an Internet.
Hence to transfer data reliably applications must utilize a Transport Layer Protocol such as TCP which provides a reliable stream.
The difference in TCP and IP in terms of functionality is that while the IP sends packets without contacting and establishing a connection with the destination router beforehand, the opposite applies for reliability, since the TCP is the most widely used transport protocol that offers reliable streams.
End to end Requirements. Simply making the backbone fault tolerant does not ensure end-to-end reliability. If communication on a local segment within any building is disrupted for any reason, that information will not reach the backbone.
End-to-end reliability is only possible when redundancy is employed throughout the internetwork. Because this is usually cost prohibitive, most companies prefer to employ redundant paths only on those segments that carry mission-critical information. Routers hold the key to reliable internetworking.
Depending on the definition of reliability, this can mean duplicating every major system on each router and possibly every component. However, hardware component duplication is not the entire solution because extra circuitry is necessary to link the duplicate components to allow them to communicate.
This solution is usually very expensive, but more importantly, it does not completely address the problem. Even assuming all routers in your network are completely reliable systems, link problems between nodes within a backbone can still defeat a redundant hardware solution.
To really address the problem of network reliability, links must be redundant. Further, it is not enough to simply duplicate all links. Dual links must terminate at multiple routers unless all backbone routers are completely fault tolerant no single points of failure.
Otherwise, backbone routers that are not fault tolerant become single points of failure.TorHoerman Law Scholarship program is proud to announce the first annual scholarship essay competition in accordance with our End DD campaign.
THL is hosting our first annual scholarship essay competition. Essay Requirements. When a local end station wants to communicate with a remote end station (an end station located at a different site), information must be sent over one or more WAN links. Routers within enterprise internetworks represent the LAN/WAN junction points of an internetwork.
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7: Internetworking Using TCP/IP: Part 2 Abstract IP uses the Address Resolution Protocol, ARP, to bind a next-hop IP address to an equivalent MAC address.
ARP defines the format of messages that computers exchange to resolve an address, the encapsulation, and the rules for handling ARP messages. End to end Requirements. Simply making the backbone fault tolerant does not ensure end-to-end reliability.
If communication on a local segment within any building is disrupted for any reason, that information will not reach the backbone. End to end Requirements. Simply making the backbone fault tolerant does not ensure end-to-end reliability. If communication on a local segment within any building is disrupted for any reason, that information will not reach the backbone.