Upstream data rate estimation

Details Upstream data rate estimation Upstream data rate estimation

2005-03-30

2010-11-02

Hoang, Thai D (Department: 2463)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S235000, C370S253000

Reexamination Certificate

active

07826362

ABSTRACT:
In one embodiment, a VoIP-integrated router operable to interface with analog telephones and digital devices is provided. The VoIP-integrated router is configured to perform a method of estimating the upstream data rate of a modem, comprising transmitting packets at a known rate from the VoIP-integrated router through an upstream path for the modem to a node; during the transmission of the packets, transmitting Internet Control Message Protocol (ICMP) PING messages to the node; and based upon an examination of the PING messages and the known rate, estimating the upstream data rate of the modem.

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