{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853855","patent":{"patent_number":"US-9853855","title":"Stand-by controller assisted failover","assignee":null,"inventors":[],"filing_date":"2014-12-03T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L"],"num_claims":8,"abstract":"Methods and systems for standby controller aided failover are provided. According to one embodiment, an active control channel and an active data channel are established by an active controller with a managed device via a management protocol. A standby control channel and a standby data channel are established by a standby controller with the managed device via the management protocol. A keep-alive message is periodically sent by the standby controller to the active controller. When a response to the keep-alive message is not received by the standby controller within a predefined time, failover from the active controller to the standby controller is initiated by: (i) taking over for the active controller; and (ii) notifying the managed device to direct subsequent management protocol messages to the standby controller via the standby control channel."},"analysis":{"summary":"The Stand-by Controller Assisted Failover patent introduces a system for ensuring high availability and minimizing downtime in network environments. The core innovation lies in the automated and seamless failover mechanism facilitated by a standby controller. This system addresses the critical problem of network outages caused by controller failures, which can result in significant financial losses and operational disruptions. The key technical approach involves establishing both active and standby control and data channels between the controllers and managed devices. The standby controller monitors the active controller's health and automatically takes over its responsibilities if a failure is detected. This failover process is designed to be seamless, minimizing disruption to network operations. The business value of this technology lies in its ability to reduce downtime, improve network reliability, and enhance customer satisfaction. It has applications in various industries, including telecommunications, cloud computing, and enterprise networking. The market opportunity for Stand-by Controller Assisted Failover is significant, as organizations increasingly rely on robust and reliable network infrastructures. This technology offers a practical and effective solution for minimizing downtime and ensuring seamless network operation. The system provides a centralized control point for managing the failover process, simplifying network management and reducing operational overhead. The automation of the failover process reduces the risk of human error and ensures a faster and more reliable failover.","layman_explanation":"1. What Problem Does This Solve? (100-150 words)\nThe Stand-by Controller Assisted Failover patent addresses the problem of network downtime caused by controller failures. In today's interconnected world, network outages can have significant consequences, disrupting business operations, impacting user experiences, and leading to financial losses. Existing solutions for failover often involve manual intervention or complex configurations, resulting in extended periods of downtime and increased operational overhead. This patent offers an automated and seamless solution to minimize downtime and ensure continuous network operation.\n\n2. How Does It Work? (200-300 words)\nThe Stand-by Controller Assisted Failover system works by establishing a backup controller that monitors the active controller and automatically takes over its responsibilities if a failure is detected. Imagine it like having a spare tire for your car. If your main tire goes flat, you can quickly switch to the spare tire and continue driving. In this system, both the active and standby controllers maintain communication channels with the network devices. The standby controller constantly checks the health of the active controller. If the active controller fails to respond, the standby controller seamlessly takes over, ensuring minimal disruption to network operations. This process is automated, eliminating the need for manual intervention and reducing the time required to restore network services.\n\n3. Why Does This Matter? (150-200 words)\nThis technology matters because it can significantly reduce the impact of network outages on businesses and individuals. By minimizing downtime, it helps to maintain business continuity, improve customer satisfaction, and prevent financial losses. The Stand-by Controller Assisted Failover system offers a competitive advantage by providing a more reliable and resilient network infrastructure. This can lead to increased revenue, reduced expenses, and improved profitability. The market opportunity for this technology is significant, as organizations increasingly rely on robust and reliable network infrastructures. By adopting this technology, organizations can differentiate their products and services in the marketplace and gain a competitive edge.\n\n4. What's Next? (50-100 words)\nThe future applications of Stand-by Controller Assisted Failover include its integration with cloud computing platforms, its use in telecommunications networks, and its adoption in enterprise IT environments. The market adoption timeline for this technology is expected to be rapid, as organizations recognize the need for improved network reliability and resilience. The investment implications of this technology are significant, as it can lead to increased revenue and improved profitability for companies that adopt it. Furthermore, this could be expanded to other areas of redundancy, improving overall system stability.","technical_analysis":"The Stand-by Controller Assisted Failover patent presents a robust and automated approach to network redundancy. The technical architecture relies on the establishment of active and standby control and data channels between the controllers and managed devices. The active controller handles the primary network operations, while the standby controller continuously monitors the active controller's health. The implementation details involve the use of a management protocol to establish and maintain these channels. The standby controller periodically sends keep-alive messages to the active controller. If a response to the keep-alive message is not received within a predefined time, the standby controller initiates the failover process. This process involves the standby controller taking over the active controller's responsibilities and notifying the managed devices to redirect management protocol messages to the standby controller. The algorithm specifics involve the implementation of a reliable keep-alive mechanism and a robust failover process. The integration patterns involve the integration of the Stand-by Controller Assisted Failover system with existing network infrastructure. The performance characteristics of the system are determined by the latency of the keep-alive messages and the speed of the failover process. Code-level implications involve the development of software modules for the active and standby controllers, as well as the managed devices. The system must be designed to be scalable and resilient to handle a large number of managed devices. The choice of management protocol will depend on the specific requirements of the network environment. The keep-alive message interval should be configured to provide a balance between responsiveness and network overhead. The failover process should be designed to minimize disruption to network operations and ensure that all managed devices are properly notified of the failover.","business_analysis":"The Stand-by Controller Assisted Failover patent addresses a critical need in the market for high availability and network reliability. The market opportunity size for this technology is significant, as organizations increasingly rely on robust and reliable network infrastructures. The competitive advantages of this technology include its automated failover mechanism, its seamless integration with existing network infrastructure, and its ability to reduce downtime and improve network reliability. The revenue potential of this technology is significant, as it can be licensed to network equipment manufacturers, cloud service providers, and enterprise IT departments. The business models for this technology include licensing, subscription services, and professional services. The strategic positioning of this technology is as a key enabler of high availability and network reliability. The ROI projections for this technology are high, as it can significantly reduce downtime and improve network performance. The implementation of Stand-by Controller Assisted Failover can result in cost savings, improved customer satisfaction, and enhanced business continuity. The technology can be used to support a variety of applications, including telecommunications, cloud computing, and enterprise networking. The adoption of Stand-by Controller Assisted Failover can lead to increased revenue, reduced expenses, and improved profitability. The technology can also be used to differentiate products and services in the marketplace. The business implications of this technology are significant, as it can transform the way organizations manage their network infrastructure and ensure business continuity.","faqs":null,"topics":["network failover","standby controller","high availability","network reliability","seamless failover","stand","controller","assisted"],"tech_cluster":null},"seo":{"title":"Stand-by Controller Assisted Failover - Patent US-9853855","description":"Discover Stand-by Controller Assisted Failover, ensuring network reliability with seamless failover. Full patent analysis, claims, and technical details inside.","keywords":["network failover","standby controller","high availability","network reliability","seamless failover","patent","patent US-9853855","controller redundancy","network downtime","automated failover"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853855","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9853855","citation_suggestion":"Patentable. \"Stand-by controller assisted failover\" (US-9853855). https://patentable.app/patents/US-9853855","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853855","json":"https://patentable.app/api/llm-context/US-9853855","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T00:26:36.615Z"}