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IPv6 has become popular now-a-days among the ISPs, organization and end users because of its magnificent features and due to the limitation of IPv4. The migration from IPv4 to IPv6 is mandatory due to the address scarcity and security vulnerabilities of IPv4. But the deployment of IPv6 is far beyond satisfactory level in Bangladesh. So, a smooth as well as effective transition mechanism is needed...
IPv4 and IPv6 protocol are incompatible due to their different header structure; therefore no direct communication exists between them. For the two protocol to coexist, IETF proposed three possible solutions; Dual Stack, translation and tunnelling. This paper evaluates the performance of tunnelling and dual stack as they are the most deployed techniques. 6to4, ISATAP and 6RD were the three automatic...
Improving availability and throughput is a significant challenge for data center networks. Recent studies have attempted to use a variety of routing and multipathing techniques. However, no method has yet managed to combine availability and throughput improvement with actual deployability, usually because of dedicated hardware requirements. In this study, we focus on commodity-based layer-3 data center...
Network Virtualization Overlays (NVO3) provides multi-tenancy services in cloud data centers with existing networking equipment. IP tunneling is an essential technology to logically separate each virtual traffic, in particular, Stateless Transport Tunneling (STT) is considered to achieve better performance using TCP Segmentation Offload (TSO) feature. Currently, there is no openly available implementation...
6in4 is the IPv4 to IPv6 migration technique that uses tunneling to encapsulate IPv6 packets over configured IPv4 communication links. This paper attempts to evaluate and compare performance parameters like Throughput, IP End-to-End Delay and Response Time of different applications running on the internet in IPv4, IPv6 and 6in4 manual tunneling environments. The applications that we are modeling are...
IP Next Generation (IPng) or IPv6 engineered by IETF is the successor of IPv4, the contemporary version of Internet Protocol. IPv6 is designed to solve the long term performance, reliability and scalability problems of IPv4. Although IPv6 implementation is yet to attain a maturity level, its success will ultimately depend on its implementation in a broader perspective. The IPv6 network migration is...
Future of IP addressing is totally dependent on IPv6 rather than IPv4 to assure the Quality of Service (QoS) requirements and IPv6 have noteworthy advantages over present IPv4. Presently, the conversion mechanisms in Dual Stack Transition Mechanism (DSTM) is taking bit more time, which hampers the overall performance of the network. In this paper we have reduced the time delay of data packets transmission...
IPSec (IP Security) is a robust technique for securing communications over the Internet. Due to security algorithms used, transferring data using IPSec is known to be significantly slow. In this paper using a test bed environment for a site to site IPSec, we present new results on performance of IPSec for both IPv4 and IPv6 using Fedora 15 operating system and wireless network. Compared to open system,...
Several types of IPv6 transition mechanisms have been developed to facilitate the migration of IPv4 to the new protocol, IPv6. Although all transition mechanisms have the same objective, the process necessitates compliance with their respective capabilities. This paper focuses on the evaluation of the transition mechanisms namely 6to4 tunneling in terms of data transmission. The assessment is based...
Based on the migration mechanism from IPv4 to IPv6, the performance of three kinds of mechanism options, double-stack protocol, ISATAP tunneling and 6to4 tunneling technique are analyzed and tested. The result shows there are some performance advantages on double stack protocol mechanism IPv6 network than IPv4, IPv6 ISATAP tunnel and IPv6 6to4 tunnel network.
A tunnel-based solution is presented in this paper to provide a resilient Internet access in face of a malicious act of denial of Internet access by higher-tier Internet service providers (ISPs). The proposed solution describes the different types of tunneling protocols that can be used, and the needed configurations to establish the tunnels. The validity of the proposed solution is demonstrated by...
The concept of transition from IPv4/IPv6 network is currently being extensively studied to gain high level compatibility for easy, independent deployment ofIPv6. The transition between IPv4 and IPv6 internet will be a very long process as they are completely incompatible two protocols. IPv6 offers various features including Larger addressing capacity and capabilities, QoS control, encryption and decryption,...
A number of transition mechanisms have been developed to support the interoperability between IPv4 and IPv6 during the time of migration from the existing IP version (IPv4) to the new IP version (IPv6). BDMS is one of the IPv4/IPv6 transition mechanisms that has been designed to enable IPv4-only hosts to communicate with IPv6-only hosts and vice versa; while DSTM has been designed to enable IPv6 hosts...
This paper presents the comparison of two IPv6 over IPv4 solutions for a laboratory demonstrator within NEWSKY, a project co-funded by the European Commission within its 6th Research Framework Programme (FP6). NEWSKY aims at developing a concept for a global, heterogeneous communication network for aeronautical communications. It assumes IPv6 hosts, but nowadays satellite networks still run over IPv4...
Virtual private network (VPN) is a technology that provides secure communication for data as it transits through insecure regions of information technology infrastructure. With prolific development of the Internet, businesses nowadays implement VPN tunnels using different protocols that guarantee data authenticity and security between multiple sites connected using public telecommunication infrastructure...
IETF has proposed mobile IPv6-based network mobility (NEMO) basic support protocol (BSP) to support network mobility. NEMO BSP inherits all the drawbacks of mobile IPv6, such as inefficient routing path, single point of failure, high handover latency and high packet overhead. To address these drawbacks, a new network mobility scheme, called seamless IP-diversity based network mobility (SINEMO), has...
In this paper, we propose a transport layer tunneling for improving the seamless handover for group mobility. Efficiency of this protocol in reducing the handover latency and increasing the end-to-end throughput in wireless access networks with frequent handovers has been considered. We show that the new scheme could significantly increase the throughput particularly when the mobile networks roam...
Unfortunately, IPv4 and IPv6 are incompatible with each other. So, a transition mechanism is required during the time of migration from IPv4 to IPv6 networks. Bi-directional mapping system (BDMS) is one of the mechanisms reported in the literature to perform IPv4/IPv6 conversion whereas the dual stack transition mechanism (DSTM) is designed to perform IPv4 to IPv6 transition for IPv6 dominant network...
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