![]() To explore the inter-working of various layers of OSI. Course objective of the subject Computer Network is to introduce concepts and fundamentals of data communication and computer networks. Prerequisite for studying this subject are Digital Communication Fundamentals. Tutor: Adwait Sharma Computer Network System is semester 5 subject of final year of computer engineering in Mumbai University. Join in to learn Computer Networks, equally important from the academic as well as real-world knowledge. Exploring the layer protocols lastly would be cherishing! Also, we will walk through various routing algorithms, their applications and other properties. Learn the designing of the network using IP addressing and subnetting / supernetting schemes. It provides the knowledge of networking protocols at data link layer. This course provides the concepts of data communication at physical layer and compares ISO - OSI model with TCP/IP model. Learning the OSI layers and their Layer Protocols. Issues and challenges of protocols design while delving into TCP/IP protocol suite.Īssess the strengths and weaknesses of various routing algorithms. It does not require overall knowledge and understanding of network.Concepts and fundamentals of data communication and computer networks.Įxplore the inter-working of various layers of OSI.The layers generally reduce complexity of communication between networks.An interface is present between each of layers that are used to explain services provided by lower layer to higher layer. The peer basically has a set of communication protocols. The layers at same level are commonly known as peers. Through physical medium, actual communication occurs. Physical communication is represented using solid arrows between adjacent layers. Virtual communication is represented using dotted lines between peer layers. The data stream is passed through a number of layers from one host to other. The diagram shows communication between Host 1 and Host 2. The networks are organized and arranged as different layers or levels simply to reduce and minimize complexity of design of network software.īelow is diagram representing a five-layer network. In programming, this concept is very common. Each and every layer has some particular task or function. ![]() The main purpose of each of layers is just to offer and provide services to higher layers that are present. The number, name, content, and function of each layer might vary and can be different from one network to another. To just simplify network design, various networks are organized and arranged as a stack of layers of hardware and software, one on top of another. Generally, Computer networks are comprised of or contain a large number of pieces of hardware and software. Timings – It is used to explain exact time at which data is generally transferred along with speed at which it is transferred. ![]()
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