Publication: Movilidad en IPv6 con HIPh
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2009-05
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2009
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Abstract
En la actualidad, la Internet afronta el reto de responder a una demanda creciente de escalabilidad y prestaciones que va más allá de sus previsiones iniciales. En este contexto, existen varios desarrollos dirigidos a eludir, de una forma u otra, una tradicional restricción de la arquitectura TCP/IP: el acoplamiento entre las conexiones de transporte y la dirección de red. Así, al hablar de movilidad, multihoming, virtualización, clustering, traducción de direcciones o tránsito de IPv4 a IPv6, encontramos reiteradamente esta limitación que dificulta la persistencia de las conexiones extremo a extremo ante cambios en el nivel de red. HIP (Host Identity Protocol) es una propuesta radical en este campo que aboga por resolver el problema introduciendo un nuevo nivel de protocolos en la pila IP, denominado “Nivel de Host” (situado entre los de red y transporte), y un nuevo espacio de nombres asociado a él formado por “Identidades de Host”. En el presente trabajo, se ha revisado el estado actual de las especificaciones de HIP, se han examinado las primeras implementaciones disponibles y, en el campo de la movilidad IPv6, se han realizado algunas pruebas de funcionamiento, incluyendo una comparativa con MIP (Mobile IP). __________________________________________
Nowadays, Internet infrastructure faces the challenge to respond to a growing demand for scalability and functionalities further than its initial forecasts. In this context, there are several developments pointed to elude, one way or another, a traditional architecture restriction in TCP/IP: the coupling of transport connections to network address. Thus, when talking about mobility, multihoming, virtualization, clustering, address translation or transition from IPv4 to IPv6, this constraint repeatedly arise making difficult end to end connections persistency when network level changes take place. HIP (Host Identity Protocol) is a radical approach in this area which claims to solve the problem bringing a new protocol layer into the IP stack, called “Host Layer” (located between those of network and transport), and a new name space linked to it made up of “Host Identities”. In this work, ongoing HIP specifications have been reviewed, early implementations have been examined and, in the field of IPv6 mobility, some functional tests have been made, including a comparative with MIP (Mobile IP)
Nowadays, Internet infrastructure faces the challenge to respond to a growing demand for scalability and functionalities further than its initial forecasts. In this context, there are several developments pointed to elude, one way or another, a traditional architecture restriction in TCP/IP: the coupling of transport connections to network address. Thus, when talking about mobility, multihoming, virtualization, clustering, address translation or transition from IPv4 to IPv6, this constraint repeatedly arise making difficult end to end connections persistency when network level changes take place. HIP (Host Identity Protocol) is a radical approach in this area which claims to solve the problem bringing a new protocol layer into the IP stack, called “Host Layer” (located between those of network and transport), and a new name space linked to it made up of “Host Identities”. In this work, ongoing HIP specifications have been reviewed, early implementations have been examined and, in the field of IPv6 mobility, some functional tests have been made, including a comparative with MIP (Mobile IP)
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Protocolos de comunicación, Movilidad en IPv6