MMSYS

This paper describes the use of origin Autonomous System (AS) information to optimise online First Person Shooter (FPS) game server discovery. Online FPS games typically use a client-server model, with thousands of game servers active at any time. ...

Progressive mesh streaming enables users to view 3D meshes over the network with increasing level of details, by sending coarse version of the meshes initially, followed by a series of refinements. To optimally increase the rendered mesh quality, ...

In multi-user networked virtual environments such as Second Life, 3D streaming techniques have been used to progressively download and render 3D objects and terrain, so that a full download or prior installation is not necessary. As existing client-...

Consumers or administrators of small business networks usually cannot directly configure the link which connects their network to their Internet provider. The link setup often provides a sub-optimal configuration for end users' traffic patterns and, at ...

Kernel-based group unicast has been suggested as an efficient mechanism for transmitting the same data to multiple recipients. In this paper, we present a new system call, sendgroup(), which also supports per-recipient private data, but only uses a ...

General-purpose CPUs with multiple cores are established products, and new heterogeneous technology like the Cell broadband engine and general-purpose GPUs bring an even higher degree of true multi-processing into the market. However, means for ...

Serving multimedia content over the Internet with negligible delay remains a challenge. With the advent of Web 2.0, numerous video sharing sites using different storage and content delivery models have become popular. Yet, little is known about these ...

This paper presents a novel decoding-workload-aware video encoding scheme. It takes raw video data and decoding workload constraint of a mobile client as input and generates a video bitstream which matches such a constraint while striving to achieve the ...

This paper presents a novel tangible user interface for the dynamic control and manipulation of multiple video streams. Streams can be activated, triggered and managed based on the physical use of markers attached to cubes on a table top, whose movement ...

Supporting multimedia services in wireless mesh networks is receiving more attention from the research community. While wired networks have mature infrastructure and protocols providing QoS for multimedia, supporting multimedia in multihop wireless mesh ...

Recent advances in video coding technology like the scalable extension of the MPEG-4 AVC/H.264 video coding standard pave the way for computationally cheap adaptation of video content. In this paper we present our work on a lightweight RTSP/RTP proxy ...

New forms for interaction in virtual worlds, such as Second Life, bring dynamic network traffic because the number of online users can vary greatly from region to region and users can add their own content, such as dynamic objects and custom artwork. ...

In this paper, we quantify the potential gains of hybrid CDN-P2P for two of the leading CDN companies, Akamai and Limelight. We first develop novel measurement methodology for mapping the topologies of CDN networks. We then consider ISP-friendly P2P ...

The TCP/IP stack has been extremely successful for reliable delivery of best-effort, time insensitive elastic type data traffic. Nowadays, the Internet is rapidly evolving to become an equally efficient platform for multimedia content delivery. Key ...

In this paper, we consider the problem of overlay generation for video adaptation and streaming applications in a way to efficiently utilize the bandwidth and computing power of the participating peers. Therefore, the proposed architecture performs ...

Video-on-Demand (VoD) is a compelling application, but costly due to the load it places on servers. Peer-to-peer (P2P) techniques hold the potential to reduce centralized costs by sharing data between peers. There are many difficult design issues ...

Multimedia streaming of mostly user generated content is an ongoing trend, not only since the upcoming of Last.fm and YouTube. A distributed decentralized multimedia streaming architecture can spread the (traffic) costs to the user nodes, but requires ...

Streaming video data over best effort networks is a challenging task concerning the quality of the received content. The quality decreases with the number of frames that are corrupted, lost or received after the playback time. The main reasons for lost, ...

This demo presents a new approach for media presentation continuity in playback mode. We use the term presentation continuity over session transfer since our solution is at the presentation layer. Previous research on this topic has focused on ...

The multimedia-oriented collaboration is very important for knowledge workers who work together at a distance in pervasive computing environments. In this demonstration, we present a multi-agent-based toolkit to manage the coordination of multiple ...

Digital video streaming has attracted large interest in research as well as in commercial areas in recent years. The evolution of digital video coding and broadband Internet access enables a large number of users to access high quality video streams ...

We present a video content browsing tool which is supposed to be used for two purposes: (1) efficiently searching a certain scene within a long video sequence and (2) quickly identifying videos out of interest. Instead of a complex user interface with ...

The objective of this demonstration is to verify the exploitation of concepts developed in the European FP 6 project Ambient Networks. The demonstration highlights the integration of Service Aware Transport Overlay (SATO) functions in an IMS ...

We propose an on-line presentation of iTVP [3, 2, 4, 1], a platform for delivery of digital audio and video, developed and deployed for the Polish national broadcaster. iTVP designed for operation on a large country-wide scale with the potential of ...

We present an open source tool called MPEG analyzer that is able to visualize various MPEG-2 encoding characteristics while playing a video stream. Our tool has been developed during a student lab and is intended to support teachers and lecturers in ...

In this demo proposal we present Planet Π4, a Massively Multiplayer Online Game (MMOG) developed to evaluate and compare peer-to-peer-based MMOG systems with scalability in mind. The game requires low network latency and creates frequent game state ...

We have proposed FAIRVIEW, a framework for realizing 3D graphics-based interaction between mobile users in real world and remote network users. In order to realize FAIRVIEW in an ordinary wireless LAN and Internet environment, a QoS adaptation mechanism ...

TCP is frequently used for interactive multimedia applications like online games and voice-over-IP (VoIP) because it avoids firewall issues. However, traffic analysis shows that these streams usually have small packets and a low packet rate, and that in ...

Today, major newspapers and TV stations make live and on-demand audio/video content available, video-on-demand services are becoming common and even personal media are frequently uploaded to streaming sites. The discussion about the best transport ...