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Key Technologies for Networked Virtual Environments: A new taxonomy
arXiv - CS - Networking and Internet Architecture Pub Date : 2021-02-19 , DOI: arxiv-2102.09847
Juan González, Fernando Boronat, Almanzor Sapena, Javier Pastor

Thanks to the improvements experienced in technology in the last few years, most especially in virtual reality systems, the number and potential of networked virtual environments or NVEs and their users are increasing. NVEs aim to give distributed users a feeling of immersion in a virtual world and the possibility of interacting with other users or with virtual elements inside it, in a similar way to when they interact in the real world. Being able to provide that feeling and natural interactions when the users are geographically separated is one of the goals of these systems. Nevertheless, this goal is especially sensitive to different issues, such as different connections with heterogeneous bitrates or different network latencies, which can lead to consistency and synchronization problems and, thus, to a worsening of the users' quality of experience or QoE. With the purpose of solving these issues, many technical solutions have been proposed and evaluated so far, in fields like network architectures, data distribution and filtering, resource balancing, computing models, predictive modeling and synchronization in NVEs. This paper gathers and classifies most of them, summarizing their advantages and disadvantages, using a new way of classification. With the current increase of the number of NVEs and the multiple solutions proposed so far, this work aims to become a useful tool and a starting point not only for future researchers in this field but also for those who are new in NVEs development, in which guaranteeing a good QoE is essential.

中文翻译:

网络虚拟环境的关键技术:新的分类法

由于最近几年技术的进步,尤其是虚拟现实系统的进步,联网的虚拟环境或NVE及其用户的数量和潜力正在增加。NVE旨在给分散的用户一种沉浸在虚拟世界中的感觉,并提供与其他用户或其中的虚拟元素进行交互的可能性,类似于他们在现实世界中进行交互的方式。这些用户的地理位置之一就是能够在地理位置上分开时提供那种感觉和自然互动。尽管如此,这个目标对不同的问题尤其敏感,例如,具有不同比特率的不同连接或不同的网络延迟,这可能导致一致性和同步问题,从而使用户的状况恶化。体验质量或QoE。为了解决这些问题,迄今为止,已经提出并评估了许多技术解决方案,例如网络体系结构,数据分发和过滤,资源平衡,计算模型,预测建模和NVE中的同步等领域。本文采用一种新的分类方法,对它们中的大多数进行了收集和分类,总结了它们的优缺点。随着目前NVE数量的增加和迄今为止提出的多种解决方案,这项工作旨在成为有用的工具,不仅是该领域未来研究人员的起点,也是NVE开发新手的起点。确保良好的QoE至关重要。NVE中的网络架构,数据分发和过滤,资源平衡,计算模型,预测建模和同步等领域。本文采用一种新的分类方法,对它们中的大多数进行了收集和分类,总结了它们的优缺点。随着目前NVE数量的增加和迄今为止提出的多种解决方案,这项工作旨在成为有用的工具,不仅是该领域未来研究人员的起点,也是NVE开发新手的起点。确保良好的QoE至关重要。NVE中的网络架构,数据分发和过滤,资源平衡,计算模型,预测建模和同步等领域。本文采用一种新的分类方法,对它们中的大多数进行了收集和分类,总结了它们的优缺点。随着目前NVE数量的增加和迄今为止提出的多种解决方案,这项工作旨在成为有用的工具,不仅是该领域未来研究人员的起点,也是NVE开发新手的起点。确保良好的QoE至关重要。使用新的分类方式。随着目前NVE数量的增加和迄今为止提出的多种解决方案,这项工作旨在成为有用的工具,不仅是该领域未来研究人员的起点,也是NVE开发新手的起点。确保良好的QoE至关重要。使用新的分类方式。随着目前NVE数量的增加和迄今为止提出的多种解决方案,这项工作旨在成为有用的工具,不仅是该领域未来研究人员的起点,也是NVE开发新手的起点。确保良好的QoE至关重要。
更新日期:2021-02-22
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