answersLogoWhite

0

network layer

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

What does it mean to advertise a network?

In this case, 'network' refers to a specific network prefix, such as 192.168.0.0/24 or 10.0.0.0/8. 'Advertising a network' typically refers to announcing a route for that network prefix into a routing protocol, most commonly BGP (but this term is sometimes also used when working with IGPs such as OSPF and IS-IS). In other words, if your network prefix is 172.16.0.0/24 and you want other networks to be able to reach your network, you advertise a route for 172.16.0.0/24 into the appropriate routing protocol, which allows the other networks to know how to find you. It's kind of like giving all your friends your home address, all at once.


What is a traffic in computer network?

Network congestion is very much like road traffic congestion; you have too many packets trying to go through the same data pipe (or road) at the same time. A network connection has a finite throughput and can only support a certain number of packets at a time. Too many packets cause a bottleneck and slow down the network connections.


What is difference between a logical network and physical?

A physical network is different from a logical network. Logical networks are defined at the Network layer by the arrangement of the hierarchical addressing scheme. Physical networks represent the interconnection of devices on a common media. Sometimes, a physical network is also referred to as a network segment


What is dynamic routing?

Routing refers to the process of moving packets of information across a network. Static and dynamic routing are the two types of routing algorithms used for this transfer of information.The term routing encapsulates two tasks. These tasks are deciding the paths for data transferred and sending the packets on these paths. The routing is a process that is a function carried out at layer 3 of the OSI reference model. The routing algorithm decides the output line to transfer the incoming packets. The routing algorithms are based on the routing protocol that uses metrics to assess whether a particular path is the optimal path available for transfer of the data packets. The metrics used for evaluating the paths are bandwidth, delay and reliability. The routing algorithms use these protocols to determine an optimal path from the source to the destination. The routing tables maintain all the information related to routing. There are various routing algorithms and depending on these routing algorithms, the information stored in the routing table varies. Every router has its own routing table and it fills this table with the required information to calculate the optimal path between the source router and the destination router. To understand the basic points of static vs dynamic routing, let us get to know what are routing tables.Routing tableA routing table is a document stored in the router or a network computer. The routing table is stored in the form of a database or is simply a file stored in the router. The data entered in the routing table is referred to when the best possible path to transfer information across two computers in a network is to be determined. The two classifications, viz., static and dynamic routing, are based on the way in which the routing tables are updated every time they are used. The routers in which the data is stored and updated manually are called static routers. On the other hand, the routers in which the information is changed dynamically, by the router itself, are referred to as dynamic routers. Let us compare the two types of routing algorithms based on the static and dynamic routing algorithm used, in the static vs. dynamic routing section given below.Static Vs. Dynamic RoutingStatic routing manually sets up the optimal paths between the source and the destination computers. On the other hand, the dynamic routing uses dynamic protocols to update the routing table and to find the optimal path between the source and the destination computers.The routers that use the static routing algorithm do not have any controlling mechanism if any faults in the routing paths. These routers do not sense the faulty computers encountered while finding the path between two computers or routers in a network. The dynamic routing algorithms are used in the dynamic routers and these routers can sense a faulty router in the network. Also, the dynamic router eliminates the faulty router and finds out another possible optimal path from the source to the destination. If any router is down or faulty due to certain reasons, this fault is circulated in the entire network. Due to this quality of the dynamic routers, they are also called adaptive routers.The static routing is suitable for very small networks and they cannot be used in large networks. As against this, dynamic routing is used for larger networks. The manual routing has no specific routing algorithm. The dynamic routers are based on various routing algorithms like OSPF (Open Shortest Path First), IGRP (Interior Gateway Routing Protocol) and RIP (Routing Information Protocol).The static routing is the simplest way of routing the data packets from a source to a destination in a network. The dynamic routing uses complex algorithms for routing the data packets.The static routing has the advantage that it requires minimal memory. Dynamic router, however, have quite a few memory overheads, depending on the routing algorithms used.The network administrator finds out the optimal path and makes the changes in the routing table in the case of static routing. In the dynamic routing algorithm, the algorithm and the protocol is responsible for routing the packets and making the changes accordingly in the routing table.Nowadays, the static routing is seldom used. With the technological advancements, the dynamic routing is used to route the packets in the network, efficiently. Thus, the above algorithm explains routing, routing tables and static vs dynamic routing.


What is meant by 'least cost routing'?

There are many things that is meant by the phrase 'least cost routing'. 'Least cost routing' typically refers to the process of selecting the path of outbound communications.


What is pass through in the ids system?

Pass through in IDS (Intrusion Detection System) refers to allowing network traffic to pass through the system without inspection. This can be done for various reasons, such as to avoid slowing down network traffic or to reduce false positive alerts. However, it also means that potential threats in the pass-through traffic may go undetected by the IDS.


How does the network load work?

Network load usually refers to the sharing of work between networked computers. A network can handle a much larger load when two or more computers are working together to balance traffic rather than relying on one computer server by itself.


What is transparent prefix?

A transparent prefix is a routing term that refers to a prefix in a network router's routing table that is not modified, added, or modified in any way as packets pass through the router. The router simply forwards the packets based on the prefix information without changing it.


What does the acronym RSN mean in reference to sports?

RSN may stand for Red Sox nation which refers to the fans of the baseball team, the Boston Red Sox. It could also mean Resort Sport Network or Root Sport Network.


What is conjection control?

Congestion control refers to techniques used in computer networks to manage the flow of data traffic in order to prevent network congestion. It helps to ensure that the network operates efficiently by regulating the rate at which data is transmitted and making adjustments as needed to avoid overwhelming network resources.


How do routing protocols and routable protocols differ?

A routing protocol refers to a protocol that is only used between routers, such as OSPF and EIGRP. A routed protocol, meanwhile, refers to a protocol wherein data can be routed, such a IP, AppleTalk, and IPX.


Which layer is done by congestion control?

at the network layer, congestion control mechanism takes place