Avaya has patented a method for rapid failover in cloud-based services, minimizing communication interruptions. Independent arbitration between servers determines the active server, based on health assessments. The second server takes over upon detecting the first server’s failure, ensuring seamless transition with a health status message to the load balancer. GlobalData’s report on Avaya gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Avaya, Intelligent contact centers was a key innovation area identified from patents. Avaya's grant share as of January 2024 was 68%. Grant share is based on the ratio of number of grants to total number of patents.

Rapid failover method for cloud-based services with minimal interruption

Source: United States Patent and Trademark Office (USPTO). Credit: Avaya Holdings Corp

A recently granted patent (Publication Number: US11888928B2) outlines a method for performing failover between servers in a cloud-based environment. The method involves executing streaming sessions in an active mode on a first server and in a standby mode on a second server, with memory and state maintained between the two. An arbiter on each server arbitrates states, detecting failures and transitioning execution to the standby server when needed. The second server then provides a health status message to a load balancer, initiating a failover completed by the load balancer.

Additionally, the patent describes memory and state replication between servers, as well as the provision of health signals to the load balancer indicating server status. In the event of a failure, the standby server initiates an active mode warm-up process and executes the streaming sessions in the active mode. The patent also covers a cloud-based environment with servers executing streaming sessions in active and standby modes, with an arbiter on each server performing state arbitration and facilitating failover processes. The servers provide health status messages to the load balancer, ensuring seamless transitions during failover events.

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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.