System and method for measuring end-to-end network delay and user-perspective delay
US7542430B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2005 |
| Grant date | Jun 2, 2009 |
| Priority date | — |
| Expiry date | Sep 28, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L43/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system and method for measuring user-perceived delay in an IP network, comprising detecting request and corresponding response messages at a monitoring point in the network, calculating an uplink delay based upon the time elapsed between the request and corresponding response messages, detecting response and corresponding transport acknowledgement messages at the monitoring point, wherein the response message is sent in response to the request message, calculating a downlink network delay based upon the time elapsed between the response and corresponding transport acknowledgement messages; and calculating a user-perceived delay by adding uplink delay and downlink network delay, wherein the user-perceived delay represents a time required for an IP message to travel from a user device to a network destination plus the time required for the service (server) to respond and return the response to the user device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.