Cisco Systems has been granted a patent for a system that allows an authentication server to handle DHCP requests from client devices efficiently. The technology involves transmitting API calls to a DHCP server acting as a gateway and securely providing DHCP options to clients. GlobalData’s report on Cisco Systems gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Cisco Systems, Satellite internet access was a key innovation area identified from patents. Cisco Systems's grant share as of January 2024 was 72%. Grant share is based on the ratio of number of grants to total number of patents.
Dynamic host configuration protocol (dhcp) server authentication method
A recently granted patent (Publication Number: US11888898B2) discloses a computer-readable medium storing instructions that, when executed, enable processors to perform operations related to dynamic host configuration protocol (DHCP) options. The patent describes a method where an authentication server receives a request for a DHCP option from a client device, determines if it implements DHCP, and based on this determination, either transmits an API call to a DHCP server acting as a gateway or directly responds to the client device. The response from the DHCP server includes the requested DHCP option and an additional non-requested option pointing to the authentication server. The patent also covers bidirectional authentication with the authentication server and various methods of sending the DHCP option request, such as via extensible authentication protocol (EAP) or enrollment over secure transport (EST).
Furthermore, the patent includes claims for a method and an authentication server implementing the described operations. The method involves the same steps as the computer-readable medium, including the transmission of DHCP options and non-requested options to the client device. The authentication server, equipped with a processor and computer-readable media, performs the operations of receiving DHCP requests, determining DHCP implementation, and responding accordingly. The server can receive requests via EAP or EST for reauthentication purposes. Overall, the patent details a system for managing DHCP options efficiently and securely, ensuring proper communication between client devices and authentication servers in a network environment.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
