Router is a network hardware device that allows to make communication in between the internet and all devices which are linked to the internet in your house and office.
What is Router
broadcast
There are few popular companies that design the routers like as Cisco, 3Com, HP, Juniper, D-Link, Nortel, etc
internet messages
connected devices
Router works like as a mail that helps to the to other such as laptop, PC, printer, etc.
Example of Router
carrier
Functions of Routers
To Make Segment: Routers play the major role to segment the internet network form internal network in the residencies area or business. Routers moves to all packets from internal network to the Internet. Primary function of router is to web traffic dedicated for internet outside to internet network as a safety concern. It also helps to ignore the damage of data from a data packet that is flowing to wrong network.
To Assign IP Address: IP (Internet Protocol) is very necessary element forever computer system because the IP address means that which address that is assigned to the computer over the network. With the help of IP, all communication packets are sending and received over the network. Dynamic host configuration protocol (DHCP) allows to IP address to each computer that is linked to network. Most routers are enabled with DHCP protocol over the internet that is used for home and office small types of networks.
Uses of Routers
Second, Routers provide the protection from unwanted data, like as enlarge file is distributed to each machines over the network and improve the network performance.
Third, router plays the role as a buffer in between the modem and network, and it also allows the software security to diminish the risk of viruses or other malware.
Four, to share the information with other connecting routers in the networking and many advantages and disadvantages of router as well.
Router is used for getting to fulfil four purposes; like as –
First, to make ensure that data is flowing with correct destination, like as uses sends the emails to correct internet provider and recipient.
There are different types of router with their functionality; below explain each one –• Wired Router • Wireless router • Virtual Router • Core Rout • B-Router • Edge Router • Subscriber Edge Router • Inter-provider Border Router
Types of Router
Wireless routers are also like as wired network, and these routers are linked directly to modem via cable for getting internet data packets. Wireless router broadcasts the data packets with the help of one or multiple antennas. It obtains the data packets into binary format like as (0s and 1s), that allows to convert them into radio signals and the antennae transmit wirelessly. With using of wireless receiver, computer systems are able to receive these radio signals and again convert them into binary format.
Wired routers are available in the market as the box shaped that can be made connection with computer system through Ethernet cable or wired connectivity. These routers are mostly used for home and small types of offices. It contains the separate Wi-Fi access point, and it is more useful for those users who want to make connection to the Wi-Fi enabled phones as well as they can also use VIOP (voice-over IP technology).
Wired Router
Wireless Router
Core routers are either wired or wireless which help to distribute data packets with in networks, unlike multiple networks. They are introduced as a backbone of your network and capable to transfer huge data, and help to get improve the performance of your router.
Virtual Router
Core Routers
Virtual router does not work as wireless router because it is used as default router for the computer system for sharing the network. This router performs all functions with using of the Virtual Router Redundancy Protocol (VRRP) that plays the all roles actively when primary and physical router get to halt or becomes disabled mode.
Edge Routers are either wired or wireless router which allows to distribute all data packets in between one or more networks, unlike within same network. Edge routers are installed at the edge of the network, and link to Internet service providers (ISPs) or other organizations’ networks. Edge router is configured to external protocol such as BGP (Border gateway protocol) to another BGP of other ISP network.
Edge Router
B-Router
B-router has both features of bridge and router. It is capable to transmit data in between the networks like as a Bridge, and as a router, it can also find optimal path for transferring data within a network to individual systems.
Subscriber edge router plays the role as end user organization, and it is configured to broadcast external BGP to its provider’s AS.
Inter-provider Border Router
These types of routers are used for getting to interconnect ISPs, and they are BGP speaking router that helps to maintains BP sessions with another BGP speaking routers.
Subscriber Edge Router
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