Patent · US Active

Speculative domain name system cache

US12218909B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

SAP SE · DE

Inventors

Oliver Schmidt · Wörth am Rhein, DE
Andreas Ludwig Erz · Mannheim, DE
Steffen Lammel · St. Leon-Rot, DE
Jian-ping Hui · Beijing, CN
Peng Xue · Suwon-si, KR

Key dates

Filing date	Jun 12, 2023
Grant date	Feb 4, 2025
Priority date	—
Expiry date	Jun 12, 2043

Classification

Technology area (CPC G)Physics
CPC primaryG06F16/9574
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Methods, systems, and computer-readable storage media for requesting, from a domain name system (DNS) server within an enterprise network, an IP address for a DNS name associated with a computing device, receiving the IP address, storing the IP address in a speculative DNS cache, the speculative DNS cache being operable to store IP addresses for a set of DNS names including the DNS name, providing, by the speculative DNS cache, a refresh period for the IP address, and determining that the refresh period of the IP address has tolled, and in response, refreshing the IP address in the speculative DNS cache.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.