524 research outputs found

    Case Study - IPv6 based building automation solution integration into an IPv4 Network Service Provider infrastructure

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    The case study presents a case study describing an Internet Protocol (IP) version 6 (v6) introduction to an IPv4 Internet Service Provider (ISP) network infrastructure. The case study driver is an ISP willing to introduce a new “killer” service related to Internet of Things (IoT) style building automation. The provider and cooperation of third party companies specialized in building automation will provide the service. The ISP has to deliver the network access layer and to accommodate the building automation solution traffic throughout its network infrastructure. The third party companies are system integrators and building automation solution vendors. IPv6 is suitable for such solutions due to the following reasons. The operator can’t accommodate large number of IPv4 embedded devices in its current network due to the lack of address space and the fact that many of those will need clear 2 way IP communication channel. The Authors propose a strategy for IPv6 introduction into operator infrastructure based on the current network architecture present service portfolio and several transition mechanisms. The strategy has been applied in laboratory with setup close enough to the current operator’s network. The criterion for a successful experiment is full two-way IPv6 application layer connectivity between the IPv6 server and the IPv6 Internet of Things (IoT) cloud

    Analysis of security impact of making mShield an IPv4 to IPv6 converter box

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    info:eu-repo/semantics/acceptedVersio

    Performance evaluation of multicast routing on IPv4 and IPv6 networks

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    Even though the transition from IPv4 to IPv6 has not been realized at the pace that it was anticipated, eventually with the depletion of IPv4 address space and the ever-growing demands of the Internet, the transition is inevitable. In the rapidly evolving world of technology, multimedia applications and voice/video conferencing are fast finding their ways into the Internet and corporate networks. Multicast routing protocols run over unicast routing protocols to provide efficient routing of such applications. This thesis was aimed at understanding how the transition from IPv4 to IPv6 would impact multicast routing. The multicast routing protocol Protocol Independent Multicast-Sparse Mode (PIM-SM) was used over both IPv4 and IPv6 networks and a mixed IPv4-IPv6 network. Parameters such as protocol overheads, throughput and jitter were evaluated in a lab environment using jperf

    Implementation and Evaluation of Protocols Translating Methods for IPv4 to IPv6 Transition

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    Today millions of computers are interconnected using the Internet Protocol version 4 (IPv4) and can not switch to the new version, IPv6, simultaneously. For this reason the IETF has defined a number of mechanisms for transitioning to the new protocol in a progressively and controlled manner. On the other hand, Internet Service Providers (ISP) will not have new IPv4 global addresses to offer in the near future due to the fact that these addresses will be exhausted. A very interesting alternative for ISPs is to use IPv6 global addresses and, by some transitional method, access the current IPv4 backbone. This study aims to compare two methods of transparent access to the IPv4 Internet backbone, from networks that are "IPv6 only". To make the comparison, a software was developed, implementing an Application Layer Gateway (ALG), and Ecdysis was used to implement NAT64. Both trials used a network IPv6 Test Bed. This paper details the design principles and fundamental aspects of the ALG implementation, as well as the implementation of NAT64. Finally, we present the tests performed and conclusions drawn on the test platform.Facultad de Informátic

    Verkon migraatio IPv6-verkoksi

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    Insinöörityön tarkoituksena oli kuvitteellisen keskikokoisen suomalaisen liikunta-aiheisia verkkopalveluja tarjoavan yrityksen verkon migraatio IPv6-verkoksi. Lisäksi työssä perehdyttiin IPv6-migraation tietoturvaan. Insinöörityön tavoitteena oli löytää juuri tälle esimerkkiyritykselle sopivat IPv6-migraatiotekniikat ja toteuttaa ne soveltuvilta osin migraatiotekniikoiden teorioita tukemaan. Tavoitteena oli tuottaa käytännön osaamista oikeiden IPv6-migraatiotekniikoiden ja osoitteiden valinnassa sekä osoittaa käytännössä, kuinka yritys voi päivittää verkkonsa katkottomasti IPv6-yhteensopivaksi. Työssä käytettiin kahta IPv6-migraatiotekniikkaa: kaksoispinotekniikkaa sisäverkon migraatioon ja IPv4-upotettua IPv6-osoitetekniikkaa yrityksen ulkoverkon migraatioon. Kaksoispinotekniikkaan sisäverkon osalta päädyttiin lähinnä tekniikan pitkäikäisyyden vuoksi: IPv4-protokollaa tullaan käyttämään vielä pitkään ja kaksoispinototeutuksella ei tarvitse verkkoylläpidossa huolehtia mahdollisista siirtymistä jompaan kumpaan protokollaan, kun konfiguraatio kumpaakin protokollaa varten on kerran toteutettu. IPv4-upotetun IPv6-osoitetekniikan merkittävimpänä etuna on helppous: yritys voi taval-laan muuntaa tällä tekniikalla olemassa olevat julkiset IPv4-osoitteensa IPv6-osoitteiksi. Työ koostui kokonaisverkkotopologian suunnittelusta, määrittelystä ja toteutusvaiheesta, johon sisältyi paljon verkkolaitteiden konfiguraatioiden toteutusta kahdella eri protokollalla ja lisäksi näiden konfiguraatioiden testaamista. Insinöörityön tuloksena syntyi teoriatutkimuksen ja suunnittelun lisäksi käytännön toteutustyö, jossa suunniteltiin IPv4-verkko keskikokoisen yrityksen tarpeisiin ja määriteltiin tämä verkko toimimaan myös IPv6-verkkona ja IPv6-osoitteilla.The topic of this thesis is migration of the IPv6 network for an imaginary middle size Finnish company. In addition, this thesis deals with IPv6 migration data security. The objectives of the study were to find the most suitable IPv6 migration techniques for the company and to implement real migration in a laboratory environment to support the theories presented in this thesis. One of the most important objectives was to increase understanding of real IPv6 migration techniques and selection of suitable IPv6 addresses and to demonstrate how this type of a company can upgrade its network device configurations seamlessly to make them IPv6 compatible. In this study two migration techniques were used: the dual stack technique for private network migration and the IPv4 embedded IPv6 address technique with the well-known prefix for the public addresses and external network migration. The dual stack technique was chosen mostly because of its long lifecycle. The IPv4 protocol will still be used for long a time and with the dual stack technique the company does not need to worry about whether its network is capable of communicating with other networks no matter what protocols they use. This study included theoretical studies and practical laboratory work. Network design was put into reality by implementing the configurations for laboratory network devices according to the topology. The migration study could be further developed by researching IPv6 migration techniques in more detail and testing, comparing and rating them. Also further and more deep re-search regarding the security of the migration techniques would be useful if this study was to be continued

    Strategies and challenges for interconnecting wireless mesh and wireless sensor networks

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    Wireless sensor networks and wireless mesh networks are popular research subjects. The interconnection of both network types enables next-generation applications and creates new optimization opportunities. However, current single-gateway solutions are suboptimal, as they do not allow advanced interactions between sensor networks (WSNs) and mesh networks (WMNs). Therefore, in this article, challenges and opportunities for optimizing the WSN-WMN interconnection are determined. In addition, several alternative existing and new interconnection approaches are presented and compared. Furthermore, the interconnection of WSNs and WMNs is used to study challenges and solutions for future heterogeneous network environments. Finally, it is argued that the use of convergence layers and the development of adaptive network protocols is a promising approach to enable low end devices to participate in heterogeneous network architectures

    Implementación y evaluación de métodos de traslación de protocolos para la transición IPv4-IPv6

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    En la actualidad millones de computadores están interconectados usando Internet Protocol version 4 (IPv4) y es imposible cambiar a la nueva versión, IPv6, en forma simultánea cada uno de ellos. Por tal motivo la IETF ha definido una serie de mecanismos para hacer una transición paulatina y controlada hacia el nuevo protocolo. Por otro lado, en un futuro cercano los proveedores de acceso a Internet (ISP) ya no tendrán nuevas direcciones globales IPv4 que ofrecer a los usuarios finales debido al agotamiento de este tipo de direcciones [1]. Una alternativa muy interesante con la que cuentan los ISP es usar direcciones globales IPv6 y luego, por algún método de transición, acceder al backbone actual de IPv4. El objetivo del presente trabajo es comparar, dos métodos de acceso transparente al backbone de Internet IPv4, desde redes ―Solo IPv6‖. Para hacer la comparativa de ambos mecanismos se desarrolló un software que implementa un ALG (Application Layer Gateway), y se utilizó Ecdysis para implementar NAT64. Ambos ensayos utilizaron una red Test Bed IPv6. En el documento se detallan los principios de diseño y los aspectos fundamentales de la implementación del ALG, como así también la implementación del NAT64. Finalmente se presentan los test realizados y las conclusiones obtenidas sobre la plataforma de prueba.Presentado en el VI Workshop Arquitectura, Redes y Sistemas Operativos (WARSO)Red de Universidades con Carreras en Informática (RedUNCI
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