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Methods, systems, and computer readable media for throttling traffic to an internet protocol (ip) network server using alias hostname identifiers assigned to the ip network server with a domain name system (dns)

An internet protocol, web server technology, applied in the field of execution traffic suppression

Active Publication Date: 2011-09-07
TEKELEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] One problem associated with traditional methods for redirecting traffic in web servers when one of them is congested or partially fails is that it is an all or nothing approach

Method used

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  • Methods, systems, and computer readable media for throttling traffic to an internet protocol (ip) network server using alias hostname identifiers assigned to the ip network server with a domain name system (dns)
  • Methods, systems, and computer readable media for throttling traffic to an internet protocol (ip) network server using alias hostname identifiers assigned to the ip network server with a domain name system (dns)
  • Methods, systems, and computer readable media for throttling traffic to an internet protocol (ip) network server using alias hostname identifiers assigned to the ip network server with a domain name system (dns)

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Embodiment Construction

[0048]The subject matter described herein includes methods, systems, and computer-readable media for traffic suppression using an alias hostname assigned to an IP network server using the Domain Name System. As mentioned above, traditional DNS records provide a one-to-one association between hostname identifiers and web servers. Thus, when a DNS query is sent to a DNS server requesting information associated with a web server, the DNS server returns a single hostname identifier for each web server in the DNS SRV record. So, when a network server becomes congested, congestion message traffic will continue to be directed to that network server until failure, and in the event of a failure, a message is sent to neighboring network devices that they are no longer available. It should be clear that the web server can only control the amount of traffic it receives in a binary all-or-nothing manner because the web server's entire processing capacity is tied to the single hostname iden...

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Abstract

Methods, systems, and computer readable media for throttling traffic to an IP network server using alias hostname identifiers assigned to the IP network server with a domain name system are disclosed. One method includes maintaining a plurality of weight values and corresponding alias hostname identifiers for the IP network server that are associated with the IP network server in a DNS system. The method further includes throttling network traffic sent to an IP network server by sending, from the IP network server, messages to nodes that send the traffic to the IP network server, where the messages selectively enable or disable traffic flow to the individual alias hostnames.

Description

[0001] related application [0002] This application claims the benefit of US Provisional Patent Application Serial No. 61 / 085,389, filed July 31, 2008; the disclosure of which provisional application is incorporated herein by reference in its entirety. technical field [0003] The subject matter disclosed herein relates to traffic throttling. More specifically, the subject matter relates to methods, systems, and computer-readable media for performing traffic suppression. Background technique [0004] In Internet Protocol (IP) based communication networks, network traffic can be distributed or load shared among multiple IP network servers. To aid in better understanding and clarity in presenting the subject matter described herein, the embodiments shown and described below refer to: ) to distribute SIP-based network services. However, it should be clear that this is not intended to be limiting and that other types of communication networks, protocols, servers and mechanis...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/28
CPCH04L47/2433H04L47/266H04L29/12066H04L47/10H04L29/06312H04L65/105H04L29/06285H04L65/1063H04L61/1511H04L61/4511H04L65/1045
Inventor B·坎彭A·B·罗琦R·J·斯帕克斯
Owner TEKELEC