Patents by Inventor Erik W. Hjelmstad

Erik W. Hjelmstad 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).

  • Parallelization of inline tool chaining
    Patent number: 10547532
    Abstract: A method for parallel processing of ingress packets destined to a plurality of inline tools is provided. An ingress packet is processed to extract a plurality of packet header fields and to generate a packet identifier. A hash index is generated by hashing information associated with the plurality of packet header fields. A copy of the ingress packet and the packet identifier are stored in a hash table entry using the generated hash index. The ingress packet is simultaneously forwarded to each of the plurality of inline tool devices.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: January 28, 2020
    Assignee: NetScout Systems, Inc.
    Inventors: Peter C. Vinsel, Andrew R. Harding, Gordon Beith, Erik W. Hjelmstad
  • PARALLELIZATION OF INLINE TOOL CHAINING
    Publication number: 20180248778
    Abstract: A method for parallel processing of ingress packets destined to a plurality of inline tools is provided. An ingress packet is processed to extract a plurality of packet header fields and to generate a packet identifier. A hash index is generated by hashing information associated with the plurality of packet header fields. A copy of the ingress packet and the packet identifier are stored in a hash table entry using the generated hash index. The ingress packet is simultaneously forwarded to each of the plurality of inline tool devices.
    Type: Application
    Filed: February 27, 2017
    Publication date: August 30, 2018
    Inventors: Peter C. Vinsel, Andrew R. Harding, Gordon Beith, Erik W. Hjelmstad