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Google patents method to decide if network errors can be fixed

Google has filed a patent for a method that helps devices handle specific network errors called TCP RST. The system checks if the error can be fixed before deciding whether to send the data again.

Why it mattersThis improves how devices manage data transmission by avoiding unnecessary retries when a network error cannot be recovered.

In the filing’s own words

In a device having a protocol stack including a TCP layer and a higher layer, an example method includes (i) passing data from the higher layer to the TCP layer for processing, (ii) receiving at the higher layer, from the TCP layer, a notification that the TCP layer has received a TCP RST message defining a TCP RST error, (iii) responsive to the notification, passing from the higher layer to the TCP layer a query requesting an indication of whether the TCP RST error is recoverable, (iv) receiving at the higher layer, from the TCP layer, based on testing by the TCP layer of whether the TCP RST error is recoverable, the indication of whether the TCP RST error is recoverable, and (v) using the indication as a basis to control whether to re-pass the data from the higher layer to the TCP layer for processing.

What exactly they claim (claim 1)

1. A method to control processing of data in a device, wherein the device has a protocol stack defining a sequence of logical layers through which the device is configured to process the data for transmission from the device, the sequence of logical layers including a Transport Control Protocol (TCP) layer and a higher layer that is earlier in the sequence than the TCP layer, the method including: passing the data, by the device, from the higher layer to the TCP layer to facilitate processing of the data by the device at the TCP layer; receiving, by the device, a TCP Reset (RST) message defining a TCP RST error; testing, by the device, whether the received TCP RST error is recoverable; and using, by the device, a result of the testing as a basis to control whether the device will re-pass the data from the higher layer to the TCP layer for processing of the data at the TCP layer.

Facts

Company
Google (Google LLC)
Official title
Control of Message Processing Based on Recoverability of Received TCP RST Error
Publication number
US20260280766A1
Application number
19168746
Filed
Apr 18, 2023
Published
Sep 17, 2026
Inventors
2
Claims
20

Classified under

H04L 1/08 Electricity & electronicsH04L 67/02 Electricity & electronics
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.