Patents by Inventor Steffen Lammel

Steffen Lammel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12218909
    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.
    Type: Grant
    Filed: June 12, 2023
    Date of Patent: February 4, 2025
    Assignee: SAP SE
    Inventors: Oliver Schmidt, Andreas Ludwig Erz, Steffen Lammel, Jian-ping Hui, Peng Xue
  • Publication number: 20240414122
    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.
    Type: Application
    Filed: June 12, 2023
    Publication date: December 12, 2024
    Inventors: Oliver Schmidt, Andreas Ludwig Erz, Steffen Lammel, Jian-ping Hui, Peng Xue