Abstract
Full digital connectivity of the Internet of Things (IoT) devices demands several requirements including high-speed networks and a large number of IP addresses. The long term evolution (LTE) and very high throughput (VHT) 802.11ac networks are among the alternatives that can fulfill the speed requirements. To provide a large number of IP addresses, in addition to IPv4, LTE and 802.11ac also support IPv6. However, while the full digital connectivity cannot be fulfilled by IPv4 due to its limited address space and failure to support the scalability of the IoT applications, another major problem is that the potential benefits of IPv6 for LTE and 802.11ac mobile networks are completely ambiguous. The issue is further increased along with the design complexities inherent in LTE and 802.11ac infrastructures. Therefore, there are increasing concerns for cellular carriers and mobile service providers regarding migration to IPv6-only and whether the users in LTE-IPv6-only and 802.11ac-IPv6-only networks can achieve better performance than IPv4. To address the challenges associated with deploying IPv6-only in LTE and 802.11ac networks and quantify the performance, this work proposes a model. The model consists of a simulation environment with four distinct networks: LTE-IPv6-only, LTE-IPv4-only, 802.11ac-IPv6-only, and 802.11ac-IPv4-only. The model is further extended by setting up a real-world testbed environment to include four networks for replication of those simulations. To assure the most comprehensive environmental evaluation of the model, 128 distinct scenarios are developed and implemented, and the results are obtained in terms of quality of service parameters. The testbed results are compared to those of simulations to precisely assess the model.
Highlights
Long term evolution (LTE) and very high throughput (VHT) 802.11ac are the most worldwide used standards in mobile network technology
While the full digital connectivity cannot be fulfilled by internet protocol version 4 (IPv4) due to its limited address space and failure to support the scalability of the Internet of Things (IoT) applications, another major problem is that the potential benefits of IPv6 for long term evolution (LTE) and 802.11ac mobile networks are completely ambiguous
DESIGN PRINCIPLES OF THE MODEL This section presents the details of the proposed model, which as a solution-based approach, aims to provide the essential information to solve the uncertainties related to QoS behavior differences of IPv6 and IPv4 in LTE and 802.11ac networks
Summary
Long term evolution (LTE) and very high throughput (VHT) 802.11ac are the most worldwide used standards in mobile network technology The standards with their high capabilities, are able to meet the demands for a wide range of services from sharing and interchanging data (video streaming and voice over IP) for the end-users to more complicated services for smartphones, sensors in remote areas, and other communications devices in context of the Internet of Things (IoT) [1]. IPv4 address depletion was the main reason for the development of IPv6 in which the IP addresses are 128 bits compared to 32 bits in IPv4 This provides a total of 2128 addresses which is massive enough to fulfill the high demands of full digital connectivity [3], [4]
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