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Photos: Waging war on the web's bad guys
Photo The centre also has a regularly updated list of the IP addresses of the servers that command botnets, allowing it to spot attempts to connect to systems by botnet command servers. And the centre faces a growing threat, with a 140 per cent increase... [21 Jul 2008]
IP Over All-Optical Networks - Issues
White Paper IP over Optical is being envisioned as one of the most attractive architectures for the new Internet. There have been various proposals in IETF and other international standards organizations regarding the interaction of IP routers and Optical core... [18 Jul 2008]
Quality of Service (QoS) in Voice-Over IP Solutions: Achieving Predictable Service
White Paper For Voice-Over IP, this means prioritizing voice packets over the network to avoid delay and packet loss. QoS, or Quality of Service, is a set of techniques to manage network resources to assure that delay-sensitive information travels the network... [18 Jul 2008]
Preconfiguring IP-Over-Optical Networks to Handle Router Failures and Unpredictable Traffic
White Paper This paper considers the realization of traffic-oblivious routing in IP-over-Optical networks where routers are interconnected over a switched optical backbone. The traffic-oblivious routing the paper considers is a scheme where incoming traffic is... [18 Jul 2008]
QoS Adaptation in Voice Over IP
White Paper This paper explains many of the issues facing Voice over IP (VoIP). Many of these issues, such as compression/decompression of the speech frame and propagation delay, are inherent to VoIP. With careful planning and solid network design these... [18 Jul 2008]
Joint Source-Channel Multistream Coding and Optical Network Adapter Design for Video Over IP
White Paper This paper presents a panorama picture on how to achieve end-to-end video over IP service under the communication environments, consisting of backbone networks, hybrid access networks, and the end users. [18 Jul 2008]
VoIP Network Dimensioning Using Delay and Loss Bounds for Voice and Data Applications
White Paper This paper analyses resource provisioning for enterprise Voice-over-IP (VoIP) networks. Simulation and analytical methods are used to enhance the provisioning process, which ultimately aims to provide the delivery of consistent Quality of Service... [18 Jul 2008]
An Investigation of MPLS Traffic Engineering Capabilities Using CR-LDP
White Paper Multi Protocol Label Switching (MPLS) was initially proposed to overcome the bottleneck of IP routing over ATM while retaining the efficiency of ATM's label swapping and forwarding abilities. Now with the advent of gigabit routers the issue of... [18 Jul 2008]
Delivering Audiovisual Content With MPEG-21-Enabled Cross-Layer QoS Adaptation
White Paper Television over IP service) with a unified QoS management concept that enables an IP driven integration of different system components (terminal, user, content, and network). Future multimedia communication systems have to support the user's needs... [18 Jul 2008]
Communication Performance Over a Gigabit Ethernet Network
White Paper Performances graphs are collected using NetPipe which clearly show the performance characteristics of TCP/IP over Gigabit Ethernet. These indicate the impact of a number of factors such as processor speeds, network adaptors, versions of the Linux... [18 Jul 2008]
Forward-Thinking School District Learns How Affordable Layer 3 Can Be
White Paper It needed a network that was robust enough to support an increase in end-user workstations as well as support the bandwidth-intensive applications it intended to deploy in the future - such as Voice over IP, streaming video and IP-based security... [18 Jul 2008]
Allied Telesyn Revolutionizes the Telco Industry Solution Lays the Foundation for Video Services Over ADSL
White Paper After considering MWT's needs and network requirements, Allied Telesyn presented a full system solution for deploying IP Video over ADSL using its Ethernet-based products. MWT wanted to offer broadcast video bundled with voice and data over one... [18 Jul 2008]
QoS in Mobile Multimedia Networks
White Paper This paper develops an abstract framework for different architectures of network layer mobility support like Mobile IP, Cellular IP, IPv6, GSM, UMTS etc.and discusses their appropriateness for QoS handling. [18 Jul 2008]
Cognitive Packet Networks: QoS and Performance
White Paper Its performance is detailed via several measurements, and the resulting QoS is compared with that of the IP routing protocol under identical conditions showing the gain resulting from the use of CPN. Since packetized voice has stringent QoS... [18 Jul 2008]
DiffServ QoS Provisioning for Real Time Traffic in Frequent Handoff MobileIPv6 Networks
White Paper Two major challenges in establishing such a wireless mobile Internet are support of fast handoff and provision of Quality of Service (QoS) over IP-based wireless access networks. The next-generation mobile networks are evolving towards a versatile... [18 Jul 2008]
