Watchmen: Scalable Cheat-Resistant Support for Distributed Multi-player Online Games

Yahyavi, Amir; Huguenin, Kévin; Gascon‐Samson, Julien; Kienzle, Jörg; Kemme, Bettina

doi:10.1109/icdcs.2013.62

Cited by 12 publications

(5 citation statements)

References 26 publications

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“…Due to this, we perform the scalability of TRACE only with the RW model (we confirm that with other models the shape of the curve is identical). We are able to test our tool with a scenario having a number of cores in the range [1,32]. We obtain a good scalability of TRACE.…”

Section: Evaluating the Computational Time And Scalabilitymentioning

confidence: 96%

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Model driven generation of mobility traces for distributed virtual environments with TRACE

Carlini

Lulli

Ricci

2017

Concurrency and Computation

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Avatars' mobility is an essential element to design, validate, and compare different distributed virtual environment architectures. It has a direct impact on the management of such systems because it defines the workload associated with the areas in the virtual world. Currently, a relevant part of this evaluation is conducted by means of synthetic traces generated through mobility models. Despite that, in the last decade, several models have been proposed in literature to describe avatars mobility. However, a standard methodology that drives researchers in their evaluation does not yet exist. In order to alleviate this issue, we present TRACE, an open source tool supporting the generation and analysis of traces by means of embedded mobility models. TRACE's ultimate aim is to facilitate the evaluation and comparison of virtual environments and allow researchers to focus on developing their solution rather than spend time to code and test custom mobility traces. TRACE provides a unified format to describe the traces. It enables scalable and efficient trace generation and analysis for thousands of avatars with seven built-in models.Also, it defines APIs enabling the integration of additional models, different configurations of the environment, and several built-in metrics to analyze the generated traces. KEYWORDS distributed virtual environment, mobility model, multiplayer games, open source 1 INTRODUCTION On-line gaming entertainment has received lots of popularity in the last decade from both industry and research communities. This attention is justified by the economic growth of the sector, in which massively multiplayer online games such as World of Warcraft 1 or Second Life 2 represent a remarkable member. From a practical point of view, massively multiplayer online games that are large-scale distributed applications are a synchronous, persistent, and interactive virtual environment that allows a huge amount of users worldwide to share a real-time virtual environment.In these applications, each individual is in control of a virtual character called avatar. The avatar is free to move in a virtual world, perform actions, activities relative to the game, and meet other avatars.One of the largest area of research in this context is to foster the transition of virtual environments from client-server to distributed applications.Such approaches, broadly referred to as distributed virtual environments (DVEs), 3 aim at achieving scalability and cost-effectiveness, by orchestrating the support of the virtual environment to exploit the computational and network resources of the users of the DVE. Common approaches for the definition of the distributed support are based on unstructured 4,5 and structured 6,7 peer-to-peer technologies, as well as more centralized technologies like cloud computing 8 .In such distributed approaches, a user resource (ie, peer) concurrently works both as client for an (usually single) avatar and as server for a part of the virtual world. This organization allows to exploit the inherent scalabili...

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Section: Evaluating the Computational Time And Scalabilitymentioning

confidence: 96%

“…As expected, the time increases when increasing the number of avatars, but it is acceptable FIGURE 4 Evaluation of bandwidth consumption. We are able to test our tool with a scenario having a number of cores in the range [1,32]. All the mobility models behave similarly.…”

Section: Evaluating the Computational Time And Scalabilitymentioning

confidence: 99%

Model driven generation of mobility traces for distributed virtual environments with TRACE

Carlini

Lulli

Ricci

2017

Concurrency and Computation

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“…Event dissemination [6] reduces the number of communication channels on event senders to avoid overwhelming them in hotspot areas. Cheat prevention [7] is needed to achieve fairness without the arbitration from a central server. In these work, a desktop environment is assumed such that a client is always reliable in storage and connection.…”

Section: P2p Virtual Worldsmentioning

confidence: 99%

Virtual Net: A Decentralized Architecture for Interaction in Mobile Virtual Worlds

Shen

Guo

2018

Wireless Communications and Mobile Computing

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With the development of mobile technology, mobile virtual worlds have attracted massive users. To improve scalability, a peer-to-peer virtual world provides the solution to accommodate more users without increasing hardware investment. In mobile settings, however, existing P2P solutions are not applicable due to the unreliability of mobile devices and the instability of mobile networks. To address the issue, a novel infrastructure model, called Virtual Net, is proposed to provide fault-tolerance in managing user content and object state. In this paper, the key problem, namely object state update, is resolved to maintain state consistency and high interaction responsiveness. This work is important in implementing a scalable mobile virtual world.

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“…However, cunning cheaters often employ techniques such as traffic obfuscation, encryption, and confusion to bypass detection. Some games, like "Fantasy Westward Journey" and "Dungeon & Fighter," intermittently present image captchas or numeric quizzes during gameplay to determine if users are present [18]. However, the effectiveness of these anti-cheat methods, based on pop-up event detection, has gradually diminished due to advancements in facial recognition and image processing technologies.…”

Section: Introductionmentioning

confidence: 99%

VADNet: Visual-Based Anti-Cheating Detection Network in FPS Games

Nie,

2024

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The prevalence of cheating in first-person shooter (FPS) games poses a formidable challenge, undermining user experience and the integrity of competitive play. In response to this issue, a visual-based anti-cheating detection network, termed VADNet, has been developed, harnessing the capabilities of deep learning and computer vision techniques. VADNet incorporates a focus module designed to segment high-resolution images, alongside a Feature Pyramid Network (FPN) for the fusion of multi-scale features, culminating in a classifier module tasked with the quantification of cheating behaviors. Rigorous experimentation on a dataset derived from a real online FPS game substantiates VADNet's efficacy in identifying players who resort to cheating, as evidenced by high precision, recall, and F1 scores. This investigation advances the field of anti-cheating mechanisms for FPS games, offering a robust and reliable system to preserve the fairness and integrity of online gaming environments.

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Watchmen: Scalable Cheat-Resistant Support for Distributed Multi-player Online Games

Cited by 12 publications

References 26 publications

Model driven generation of mobility traces for distributed virtual environments with TRACE

Model driven generation of mobility traces for distributed virtual environments with TRACE

Virtual Net: A Decentralized Architecture for Interaction in Mobile Virtual Worlds

VADNet: Visual-Based Anti-Cheating Detection Network in FPS Games

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