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System and method of client-side DNS prioritization using time zone offset to select from configured list of DNS servers

專利號(hào)
US11997065B1
公開(kāi)日期
2024-05-28
申請(qǐng)人
CHARTER COMMUNICATIONS OPERATING, LLC(US MO St. Louis)
發(fā)明人
Steven R. Monti; Jordan A. Dechaine
IPC分類
H04L61/4511; H04L67/52; H04L67/561
技術(shù)領(lǐng)域
dns,server,client,may,ue,zone,or,network,in,servers
地域: MO MO St. Louis

摘要

Systems and network devices configured for client-side domain name system (DNS) prioritization using time zone offset to select from configured list of DNS servers. A UE device (DNS client) may determine its current time zone, and query a locally stored domain name system (DNS) server list to select a regional DNS server based on its current time zone. The UE device may send DNS requests for resource addresses to the selected regional DNS server. In response, the UE device may receive DNS response messages that priorities resource addresses based on their geographic proximity to the current time zone of the UE device.

說(shuō)明書(shū)

In block 408, the DNS client 252 may query a DNS server list (e.g., DNS server list 152 illustrated in FIG. 1B) to determine the DNS servers to be used when the DNS client 252 is geo-located in a particular time zone (including prioritization, allowing for redundancy, etc.). In block 410, the DNS client 252 may select a regional DNS server (e.g., DNS servers 106a, 106b, or 106c) based on the results of the querying DNS server list, and send a DNS request to the selected DNS server.

In block 412, the DNS client 252 may receive a response from the regional DNS server with resources prioritized based on the DNS client's time zone or location.

With reference to FIG. 4B, in block 452, the DNS client 252 may lose connectivity to its previous network and/or detect a new network. In block 454, the DNS client 252 may connect to the new network. In response to detecting and/or connecting to the new network, the DNS client 252 may determine and/or update its current time zone in block 456. In block 458, the DNS client 252 may reference the DNS server list for DNS servers to be used when the device is the current time zone.

In block 460, the DNS client 252 may select a new regional DNS server (e.g., DNS servers 106a, 106b, or 106c) based on the results of the querying DNS server list, and send a DNS request to the selected new DNS server. In block 462, the DNS client 252 may receive a response from a new regional DNS server with resources that optimal for the DNS client's new time zone or location.

權(quán)利要求

1
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