Estudio comparativo de los protocolos de enrutamiento ospfv3 e is-is para ipv6 usando gns3

Abstract

In Internet communication, routing protocols play an extremely important role in the transmission of information from one node to another. The devices that fulfill this function are called routers, which are used to connect different networks and thus provide the best and secure transmission of packets. Due to the great demand of users who request more and more Internet services, IPv6 was created, which is a new protocol that will allow exponentially the growth of the new generation Internet, since it can have more IP addresses, the same that will be able to support all the devices that are connected today and in the coming years, also allows to provide solutions to current needs, such as security, mobility, quality of service, group communication in real time, etc. For this reason, IPv6 adopts the same existing protocols for IPv4 networks, which have essential changes to be configured, and because it is extensible it will allow the incorporation of new protocols in the future as they are requested. For this reason, this project consists of developing a comparative study between two routing protocols OSPFv3 and IS-IS for IPv6 using a graphical network simulator to understand their operation and performance through experimental tests. For the development of the project, the following five phases were carried out: search and collection of information, design and addressing of the topology, implementation and configuration of the protocols, functionality tests and comparison of results. It begins with the review of general concepts, through a search and information gathering process, about IPv6, OSPFv3 and IS-IS routing protocols, characteristics, advantages, disadvantages, addressing and configurations, based on the bibliography focused on this branch. Then the design of the network topology based on Ethernet and Serial links is performed, in which it is possible to perform the configurations. Once the design of the topology has been validated together with its network addressing, the necessary tools are selected for its implementation, making use of the graphical network simulator GNS3, and then performing the respective configurations and successful tests in which connectivity characteristics between devices and convergence times were measured. Finally, we proceeded to compare and evaluate in detail the behavior of the network, through the sending of ICMP packets in its version 6, in addition to calculating the convergence times in which the routers take to detect the fall - rise of a link and update their routing tables (initial convergence). In this way, it is possible to determine which of the two topologies provides better performance in a given scenario.