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 TitleDate AddedCompany
whitepaper Addressing Heterogeneity, Scalability, and Privacy in Layered Multicast Congestion Control2008-05-15 AT&T Labs-Research
  Multicast is attracting a resurgence of interest because it has a potential to address the explosively growing need for efficient streaming of large-volume Internet content. However, to realize the potential, large-scale multicast distribution requires effective congestion control. This paper designs SIM, a protocol that combines three distinct mechanisms (Selective participation, Intra-group transmission adjustment, and Menu adaptation) to provide a general solution for efficient fair scalable privacy-preserving multicast congestion control with heterogeneous receivers. Whereas the individual mechanisms have appeared in earlier multicast protocols, the main contribution lies in the cohesive integration of the techniques. SIM achieves such integration by operating the three mechanisms at different timescales and distributing the responsibility for control to different entities in the network.

Tags: Network Management		   
whitepaper IP Multicast Best Practices for Enterprise Customers2008-05-01 Cisco Systems
  With the growing popularity of IP Multicast applications, Enterprise customers are considering deploying or have already deployed IP Multicast in their networks. This paper describes the generally accepted best common practices for IP Multicast in Enterprise customer networks. It describes ways to optimize multicast delivery according to basic design principals including resiliency, redundancy, latency and security.   
whitepaper Scalable AOI-Cast for Peer-to-Peer Networked Virtual Environments2008-03-22 National Central University
  Networked Virtual Environments (NVEs) are computer-generated virtual worlds where users interact by exchanging messages via network connections. Each NVE user often pays attention to only a limited visibility sphere called Area Of Interest (AOI) where interactions occur. The dissemination of messages to other users within the AOI (i.e., the AOI neighbors) thus is a fundamental NVE operation referred to as AOI-cast. Existing studies on NVE scalability have focused on system scalability, or the ability for the system to handle a growing number of total users, by using multicast or Peer-to-Peer (P2P) architectures. However, another overlooked, yet important form of scalability relates to the handling of a growing number of users within the AOI (or AOI scalability).

Tags: Network Management, Network Management		   
whitepaper GRE Encapsulated Multicast Probing: A Scalable Technique for Measuring One-Way Loss2008-02-29 Institute of Electrical and Electronics Engineers
  Internet service providers increasingly wish to monitor the performance of customer traffic within their networks. This paper addresses the problem of scalably performing one-way loss measurements across specific network paths. This solution addresses the issue of scale by exploiting measurement features of the deployed network infrastructure to a large degree. There are three components. Firstly, GRE tunneling is used to control the path followed by measurement traffic in the network. Secondly, innovative probing methods, coupled with standard measurement capabilities, such as NetFlow, are used to isolate the performance of groups of measurement packets. Thirdly, it exploits and extends tomographic inference methods in order to extract the performance of probe traffic on customer paths within the network.

Tags: Network Management		   
whitepaper Decoupling Wide-Area Networks From Vacuum Tubes in Multicast Approaches2008-01-30 Stanford University
  In recent years, much research has been devoted to the visualization of superblocks; on the other hand, few have evaluated the analysis of Boolean logic. In fact, few biologists would disagree with the emulation of information retrieval systems, which embodies the robust principles of networking. WEB, the new system for A search, is the solution to all of these obstacles.

Tags: Network Technologies		   
whitepaper Bandwidth Constrained IP Multicast Traffic Engineering Without MPLS Overlay2008-01-01 University of Surrey
  Existing multicast Traffic Engineering (TE) solutions tend to use explicit routing through MPLS tunnels. This paper shifts away from this overlay approach and address the bandwidth constrained IP multicast TE directly based on link state IGP routing protocols. The objective is that, through plain PIM-SM shortest path routing with optimized Multi-topology IS-IS (MISIS) link weights, the resulting multicast trees are geared towards minimal consumption of bandwidth resources. The paper applies Genetic Algorithms (GA) to the calculation of optimized M-ISIS link weights that specifically cater for engineered PIM-SM routing with bandwidth guarantees.

Tags: Network Technologies, LAN - WAN		   
whitepaper Load Balancing for Reliable Multicast2008-01-01 University of Texas
  New applications emerge along with the rapid growth of the Internet. Many functionalities other than packet forwarding are being proposed to be added into routers for supporting those new applications. Those functionalities significantly improve the performances of the applications, but they incur overheads on routers at the same time. It is a thorny problem to reach a balance between the application performance and the functionality overhead. This paper studies that problem in the context of reliable multicast. It is termed Load-Balanced Agent Activation Problem (LBAAP). This paper regards the message implosion at multicast session source as the performance and the NAK message suppression agent at router as the functionality.

Tags: Network Technologies		   
whitepaper Multicast Routing and Bandwidth Dimensioning in Overlay Networks2008-01-01 Washington University in St. Louis
  Multicast services can be provided either as a basic network service or as an application-layer service. Higher level multicast implementations often provide more sophisticated features, and can provide multicast services at places where no network layer support is available. Overlay multicast networks offer an intermediate option, potentially combining the flexibility and advanced features of application layer multicast with the greater efficiency of network layer multicast. This paper introduces the multicast routing problem specific to the overlay network environment and the related capacity assignment problem for overlay network planning. The main contributions are the design of several routing algorithms that optimize the end-to-end delay and the interface bandwidth usage at the multicast service nodes within the overlay network.

Tags: Network Management, Network Technologies		   
whitepaper On Multicasting in Wavelength-Routing Mesh Networks2008-01-01 Iowa State University
  This paper considers multicasting on wavelength-routing mesh optical networks. Although multicasting has been studied extensively in different network environments, multicasting in this environment is different, and more involved. The paper discusses the challenges of multicast support in optical wavelength routing networks, and reports on the advances made so far in this venue. The paper introduces a classification and a comparison of such techniques, and a study of their advantages and disadvantages.

Tags: Network Technologies		   
whitepaper Scalability and Robustness of Virtual Multicast for Synchronous Multimedia Distribution2008-01-01 Masaryk University
  A simple UDP packet reflector for virtual multicast multimedia transfer is extended to form a distributed system of active elements that solves the scalability problem of otherwise centralistic approach. The robustness of such virtual multicast delivery system is also discussed and shown to be better than the native multicast can offer. The maximum latency, important for multimedia transfer and related to the number of hops through the network of active elements, can be kept bounded. Possible support for synchronized multi-stream transfer is also discussed.

Tags: Network Management, Software Development Tools