Frost & Sullivan praised Motorola's VGx Quality of Service technology for the ability to assign priorities to data being sent to multiple devices, thereby improving the overall quality of each service.
Application
VGx (Virtual Gateway) provides superior service segmentation and Quality of Service (QoS) controls, affording more granular service management and supporting the delivery of triple play voice, video, and data services.
VGx segmentation
VGx was developed to ensure that subscribers receive the quality of voice, video, and data services they expect — to prevent a large data download from causing jittery video or poor voice quality. VGx achieves this goal by providing superior service segmentation and QoS features obtained by mapping multiple local virtual local area networks (VLANs) to one or more specific permanent virtual circuits (PVCs) for DSL, or wide area network VLANs for a fiber network.
Traffic prioritization is determined through the Institute of Electrical Engineering (IEEE) standard 802.1p, which specifies QoS algorithms to prioritize traffic based on protocol and source. This insures that each service receives the QoS treatment it requires; for example, video is free from latency, VoIP service is prioritized to insure aural quality, and data is securely and efficiently routed.
The illustration shows an example of VLAN mapping for residential triple play services.
Where to Find VGx
VGx is available on nearly all Netopia routers and gateways:
- Netopia 7000 Series triple-play gateways
- Netopia 2200 Series ADSL2/2+ gateways
- Netopia 3300 Series High-Performan Gateways
- Netopia 3300 Enteprise Series Routers
VGx Technology White Paper