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Client subnet efficiency by equivalence class aggregation

專利號(hào)
US10079800B2
公開日期
2018-09-18
申請(qǐng)人
Nominum, Inc.(US CA Redwood City)
發(fā)明人
Robert Thomas Halley; Brian Wellington
IPC分類
H04L29/12; H04L29/08
技術(shù)領(lǐng)域
cidr,client,dns,subnet,answer,class,query,recursive,cache,in
地域: CA CA Redwood City

摘要

A method for improving client subnet efficiency by equivalence class aggregation includes receiving a Domain Name System (DNS) query from a client, determining, based on predetermined class criteria, that the client is associated with an equivalency class, searching a cache associated with the equivalence class for an answer corresponding to the DNS query, and upon locating the answer, serving the answer to the client. If it is determined that the cache does not include the answer, the method proceeds with querying, by a recursive server, an authoritative server using client subnet data associated with the equivalence class, receiving the answer from the authoritative server, storing the answer to the cache associated with the equivalency class, and serving the answer to the client. The client subnet data may include a representative CIDR block, the representative CIDR block being used to make queries on behalf of all clients associated with the equivalence class.

說明書

Network interface 570 can be utilized to communicate with external devices, external computing devices, servers, and networked systems via one or more communications networks such as one or more wired, wireless, or optical networks including, for example, the Internet, intranet, local area network (LAN), wide area network (WAN), cellular phone networks (e.g. Global System for Mobile (GSM) communications network, packet switching communications network, circuit switching communications network), Bluetooth radio, and an IEEE 802.11-based radio frequency network, among others. Network interface 570 may be a network interface card, such as an Ethernet card, optical transceiver, radio frequency transceiver, or any other type of device that can send and receive information. Other examples of such network interfaces may include Bluetooth?, 3G, 4G, and WiFi? radios in mobile computing devices as well as a Universal Serial Bus (USB).

Peripherals 580 may include any type of computer support device to add additional functionality to the computer system. Peripheral device(s) 380 may include a modem or a router.

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