Tez özetleri Astronomi ve Uzay Bilimleri Anabilim Dalı

Micromobility Support Of Ip-Based Micromobility Protocols And Mpls Protocol

Wireless Local Area Networks are rapidly growing. They also continue to gain popularity, especially in business and computer industry. With growing popularity of wireless networks, the micro-mobility concept becomes more important. In the manner of this concept, the features that are provided by the static environments are trying to be applied by mobile environments.

In the past years, users overcame their needs by using wired line static systems. Having a static architecture inside the infrastructure of the system provides us easier processing of operations. However, when it comes to these days, it looks like a disadvantage to be dependent on a static environment. Users want to keep independency of moving to different environments while they are communicating in their local environment. On the other hand as soon as they are communicating, users aim a quality of service like wired line networks. To achieve this some preferences has to be accomplished.

Not having an interruption of users’ connection while they continue to communicate and minimizing system load due to making handoff between signal sources comes on the top of preferences list.

All of these trends has focused on the connectivity of wireless mobile computers to the Internet from their local environments, not changing their status of connection upon they move to other regions (to stay connected to the Internet) even if they move from their foreign region to another foreign region. To solve the related problem, the first thought is to implement this independency mechanism on network layer. Thus, there is no need to spend an extra effort to manage connection operations or roaming awareness on network environment for developed applications. Otherwise we can’t expect people to buy network aware applications. By using Mobile IP, we introduce a framework for people when they are moving between nodes without disconnection, as well as network awareness. The standardization process of Mobile IP is being managed by IETF (Internet Engineering Task Force).

In this study, micro-mobility concept, Mobile IP, Cellular IP, HAWAII, MPLS and Hierarchical Mobile MPLS protocols were analyzed by considering their mobility support.