Invention Grant
- Patent Title: Virtual distributed domain name server
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Application No.: US15864012Application Date: 2018-01-08
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Publication No.: US11102171B2Publication Date: 2021-08-24
- Inventor: Amol Manohar Vaikar
- Applicant: VMWARE, INC.
- Applicant Address: US CA Palo Alto
- Assignee: VMWARE, INC.
- Current Assignee: VMWARE, INC.
- Current Assignee Address: US CA Palo Alto
- Priority: IN201741041673 20171121
- Main IPC: H04L29/12
- IPC: H04L29/12 ; G06F9/455 ; H04L29/08

Abstract:
An approach for intercepting and caching Domain Name System (DNS) related data and sharing the cached DNS related data among hypervisors is provided. In an embodiment, a method comprises: receiving a DNS query from a virtual machine, determining whether a DNS reply to the DNS query has been received from a DNS server and whether an Internet Protocol (IP) address has been stored in a local DNS cache; in response to determining that tire DNS reply to the DNS query has been received from the DNS server and the IP address has been stored in the local DNS cache; retrieving the IP address from the local DNS cache; and providing the IP address to the virtual machine.
Public/Granted literature
- US20190158459A1 VIRTUAL DISTRIBUTED DOMAIN NAME SERVER Public/Granted day:2019-05-23
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