Data com IEEE version DYNAMIC ROUTING PROTOCOL.docx

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DYNAMIC ROUTING PROTOCOL CHAN JIEN YANG, YAP THAI YUNG, TAN SZE HORNG University Teknikal Malaysia Melaka (Utem) Abstract — dynamic routing protocols are the protocol with the function that dynamically share information between route and automatically updates the routing table when the topology changed. The dynamic routing protocol has divided to 2 groups which are interior gateway protocols (IGP) and exterior gateway protocol (EGP). In IGP it has distance vector which consists of RIP V1 and 2, IGRP and EIGRP and link state protocol which consists of OSPF and IS-IS. Keyword- dynamic routing protocol, RIP, IGP, BGP, IGRP, EIGRP, OSPF, IS-IS, BGP. Introduction Dynamic routing describes the capability of a system to performs that allows routing tables in specific routers to be set up in a static manner so network routes for packets are set. The router may become unreachable when the route goes down the destination. Dynamic routing allows routing tables in routers to change the path that the route takes through the system as the possible routes change in conditions. There are several protocols used to support dynamic routing including RIP, OSPF, IS- IS and IGRP. There are two calculations in order to calculate the routing cost. First is the Hop counts that determine how many routers the message must go through to reach the recipient. The next calculation is tic count that to determine the time to route in 1/18 seconds (ticks). Dynamic routing protocols just allow for dynamic altering of routing tables and do not change when routing is done. [1] The dynamic routing method has divided into two parts. First is the between the neighboring routers that convey information about their network environment by using routing protocol, and used the routing algorithm to determines paths through that network. The protocol defines the method used to share the information externally, whereas the algorithm is the method used to process the information internally. The dynamic routing protocols also divided into two types that is Interior Gateway Protocol (IGP) that used to show the fact that each system on the internet can choose its own routing protocol. In the IGP also used two protocols that is distance vector and link-state protocol. The next protocol is Exterior Gateway Protocol (EGP) that used between routers with different systems. There are two of these which are exterior gateway protocol (EGP) and border gateway protocol (BGP). The routing tables on dynamic routers are updated automatically based on the exchange of routing information with other routers [2]. Types of Dynamic routing protocol 1. Interior Gateway Protocols (IGP) IGP is a protocol for exchanging routing information between the hosts with routers within a system of cooperate local area network. The routing information can then be used by internet protocol (IP) or other network protocols to specify the route transmissions.
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Figure 1 Dynamic routing protocol a) Distance Vector protocol Distance Vector routing protocols has a vector
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