To download any of these Northforge Innovations white papers below, click on the white paper image to make your selection and then fill out the form on the following page.
Responsibility for providing the appropriate quality of service for each class of traffic traversing a network rests both on the network provider and on the service subscriber. In the second white paper on our series on traffic management functions, we cover Policing which is the responsibility of the Service Provider. The Service Provider ensures that each user’s traffic volume is limited to what was sold/allocated to that user since the network is engineered for a particular volume of traffic.
Traffic Management functions of shaping, scheduling, and policing, impact the quality of service, rate limiting, and relative flow priority of important network functions. Correct implementation of these functions has a major impact on the quality of service provided by the network and on the overall traffic engineering within the network. Although execution of traffic management functionality is done by the switching device, appropriate traffic management for the network and the networking applications requires substantial high-level design and proper programming of the switching device.
This white paper, the first of three white papers covering traffic management, focuses on scheduling, provides an overview of the three functions to put the scheduling function in context.
Network security is an important issue for everybody: network providers, enterprises, service providers, and individuals. Network attacks keep changing in form and in function so there is no magic box that can be installed to provide complete protection. Security attacks are software-based, and security solutions must be software-based. But understanding what security really means and understanding how to develop systems and specialized software that can protect against attacks on the network requires specialized experience and expertise. This white paper outlines the types of security, approaches to intrusion detection, mitigation of Distributed Denial of Service Attacks, and software solutions.
As packet switches have evolved over time, Northforge Innovations has been working with network communications companies to solve their challenges with developing packet switches and to provide solutions quickly to help them get to market faster. This white paper reviews the architectural evolution of Ethernet packet switches, featuring an overview of early packet switch design and the forces that have driven modern design solutions. These forces, which include increased interface speed, increased number of ports, Software-Defined Networking (SDN), Deep Packet Inspection (DPI), and Network Functions Virtualization (NFV) have had a major impact on the architecture and design of modern packet switches.
Data security is a key feature of any network infrastructure today with cryptography being a key aspect in making networks secure. However, cryptographic processing requires significant computational power and today’s computing equipment can’t keep up with network traffic growth. With overall network traffic statistics show that it’s doubling every year, personal computers and mobile devices may have enough processing power to spare for secure communication support. This white paper explains one solution which offloads cryptographic workload from a host to specialized network processors as proposed by Cavium’s Nitrox family of cryptographic processor chips.
Testing activities have become a necessary weapon in a manufacturer’s arsenal to improve product quality, accelerate time-to-market, and ensure that the product performs according to specifications. In the past, testing was a time-consuming task executed manually. Today, automated testing has replaced manual testing in many situations, which provides faster time-to-market for products. This paper outlines the Automated Test System Graphical User Interface (GUI) Framework and the Distributed Automated Test Framework, as well as a brief case study on the Distributed Automated Test Framework.
Off-net video is a fairly complex technology. The quality of service — from the video quality to the timeliness of the video packet delivery — needs to always be maintained, even in the presence of network congestion. Essentially, off-net video extends the accessibility of streaming video by broadcasting it over the Internet so it can be available anywhere. This white paper covers the top eight technical considerations unique to developing off-net video services – bandwidth and quality of service, security, video encoder, video source, video player, platform, management, and statistics. The white paper draws upon the specific example of developing an off-net video services product for a telemedicine application.
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