Uplink QoE is a high-tech, policy based Quality of Service (QoS) solution developed by ThinkPalm Technologies. The project was targeted at providing Quality of Experience (QoE) to selected users in a Wi-Fi basic service set. Uplink QoE extends the existing QoS system running in the wireless distribution network of Access Points to the egress traffic of wireless stations such as Android smartphones as per the IEEE 802.11e standard, resulting in an end to end QoS network.
Our customer, a giant in the networking industry, aspired for the inclusion of two critical components in the solution – Base QOS and Policy Integration. Base QOS realizes the classification of egress traffic into IEEE 802.11E categories, uniquely identified by the 5-tuple fields. Policy-integration facility at the client side receives the QoE policy pushed from the Access Points.
A mobile based application was developed to ensure that egress traffic from mobile devices using Wi-Fi connection always followed WMM QoS classification. Egress traffic classification is derived from policies set from Access Points. A typical policy contains the 5 tuple fields – Source IP Address, Destination IP address, Source Port, Destination Port and IP protocol of IP packets, definition of flow and its required priority in WMM context. A policy service responsible for receiving policies issued by authorities and imposing received policies in the egress traffic, was also undertaken at the mobile side.
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