quality service ip qos
Quality of Service (QoS) in Voice-Over IP Solutions: Achieving Predictable Service
White Paper QoS, or Quality of Service, is a set of techniques to manage network resources to assure that delay-sensitive information travels the network in a timely manner. For Voice-Over IP, this means prioritizing voice packets over the network to avoid... [18 Jul 2008]
Performance Measurements of MPLS Traffic Engineering and QoS
White Paper Providing Quality of Service (QoS) and traffic engineering capabilities in the Internet is very essential, especially to support the requirements of real-time, as well as mission critical applications. [18 Jul 2008]
Configuring QoS for VoIP Networks
White Paper This application note describes ways to configure Quality-of-Service (QoS) parameters on Vyatta for VoIP services in an IP Telephony network. Currently, Vyatta does not support QoS configuration in its CLI and Web GUI. [18 Jul 2008]
Performance Enhancements of UMTS Networks Using End-to-End QoS Provisioning
White Paper This paper investigates end-to-end Quality of Service (QoS) provisioning approaches for UMTS networks in a DiffServ IP network environment. The overall algorithm was optimized to guarantee the E2E QoS parameters of each service class, especially... [18 Jul 2008]
A Mobile Differentiated Services QoS Model
White Paper Such IP-based networks must include Quality of Service (QoS) mechanisms to enable the usage of real-time applications, such as mobile telephony. To overcome this problem, this paper proposes the Mobile Differentiated Services QoS Model (MoDiQ), a... [18 Jul 2008]
An Evolved 3GPP QoS Concept
White Paper Simple and cost efficient means for providing and controlling Quality of Service (QoS) are important for 3GPP operators. GPP QoS concept and, based on these, explain why that demand is currently not met. [18 Jul 2008]
AMPS - ANStool: Interoperability of Automated Tools for the Provisioning of QoS Services
White Paper Modern IP-based packet networks carry a number of varying services, and one of their crucial aspects is the implementation of Quality of Service (QoS) techniques. Packet networks that support QoS can accommodate simultaneously different traffic... [18 Jul 2008]
Variety of QoS - The MNM Service Model Applied to Web Hosting Services
White Paper In order to have a competitive advantage, service providers offer different kinds of guarantees for their services which are often called Quality of Service (QoS) parameters. Parameters in this sense are service-specific, and are not limited to... [18 Jul 2008]
VoIP Network Dimensioning Using Delay and Loss Bounds for Voice and Data Applications
White Paper Simulation and analytical methods are used to enhance the provisioning process, which ultimately aims to provide the delivery of consistent Quality of Service (QoS). Consistent QoS is increasingly important in order to deliver an adequate service... [18 Jul 2008]
Juniper EX-Series Ethernet Switches: QoS-Enabling the Enterprise - Assuring End-to-End Application Performance
White Paper The right set of Quality of Service (QoS) tools is critical to meeting this challenge. QoS tools must be sufficiently granular to accommodate a rich mix of traffic types. Network switches and routers deployed at every level in the network must... [18 Jul 2008]
An IP QoS Architecture for 4G Networks
White Paper The different phases of QoS-operation are discussed. The overall QoS concepts are presented with some relevant enhancements that address specifically voice services. This paper describes an architecture for differentiation of Quality of Service in... [18 Jul 2008]
Case Study in Assessing Subjective QoS of a Mobile Multimedia Web Service in a Real Multi-Access Network
White Paper This paper presents an empirical task-based user evaluation, which was carried out for the purpose of assessing the subjective QoS of a mobile multimedia web service in a real multi-access network environment comprising of WLAN and GPRS networks... [18 Jul 2008]
QoS Perspective for Wireless Scenarios
White Paper This paper analyze QoS parameters from the network perspective looking on three different TCP/IP layers: Transport Layer (TCP and UDP), Network Layer (DSDV, DSR and AODV), and Medium Access Control Layer (DCF and EDCF). [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]
The Meta-QoS-Class Concept: A Step Towards Global QoS Inter-Domain Services
White Paper IP QoS (Quality of Service) is commonly presented as a radical shift in the IP paradigm and therefore, in the way one is used to accessing Internet services. Indeed, several architectures have been designed in order to introduce QoS that violate... [18 Jul 2008]
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