In this paper, we introduce a scalable Video-on-Demand (VoD) system called GloVE (Global Video Environment) in which active clients cooperate to create a shareable video cache that is used as the primary source of video content for subsequent client requests. In this way, GloVE server’s bandwidth does not limit the number of simultaneous clients that can watch a video since once its content is ...

One approach to supporting continuous media traffic is via resource reservation at connection establishment time. The shortcomings of this approach are the lack of flexibility in re-negotiating bandwidth parameters after connection establishment and the inability to react to changing server load conditions. In this paper we propose a “selected access scheme” for re-negotiating continuous media ...

One of the key components in a multimedia interactive system is the continuous media server. In this paper, we first present the design and the architecture of such a server dedicated to support the storage, retrieval and delivery of video streams. The main feature of the proposed server is its independence of any physical configuration, so guaranteeing its portability. After that, based on the...

Virtual Network Computing, or VNC, is a popular thin client application used to access files and applications on remote computers. However, VNC can suffer from significant losses in throughput when there is high latency between the client and server. These losses become especially apparent in the case of video, where updates are both large and frequent. In this work, we present a Message Accele...

Most broadcasting protocols for video-on-demand do not allow the customer to pause, move fast-forward or backward while watching a video. We propose a broadcasting protocol implementing these features in a purely proactive fashion. Our protocol implements rewind and pause interactions at the set-top box level by requiring the set-top box to keep in its buffer all video data it has received from...

Akamai o ers the largest Content Delivery Network (CDN) service in the world. Building upon its CDN, it recently started to offer High De nition (HD) video distribution using HTTP-based adaptive video streaming. In this paper we experimentally investigate the performance of this new Akamai service aiming at measuring how fast the video quality tracks the Internet available bandwidth and to what...

Until recently the World Wide Web (WWW) and associated browser technologies have provided no support for the delivery of continuous media in real time. Instead, les have been down-loaded completely and then played back. There are now some systems available that provide support for streaming of audio and/or video between WWW servers and clients. However the Internet comprises a vast range of net...

Abstract: Due to the unidirectional isolation characteristics of state grid secure access platform, it is an important research problem of the full tracking of transmission line. Furthermore, it is crucial for full tracking transmission line to be succeeded to transfer the data of video monitoring network to the internal network smoothly. In this paper, we analyze the structure of the secure ac...

ABSTRACT To fully utilize the resources with soft real-time video-ondemand servers, statistical admission control is widely used. There have been several models to capture the nature of bit rate variability of the video data. However, when the video server employs caching, the resulting workload exhibits different characteristics. In this paper, we present a probabilistic model to analyze the v...

We present an end-to-end server–client system for high-resolution video transmission over IP networks. The system supports communication of compressed information, user operations through a fully functional user interface as well as detection and tracking of moving objects/people. It relies on a communication subsystem which has been developed for real time transmission of MJPEG / MJPEG2000 com...