{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9854036","patent":{"patent_number":"US-9854036","title":"Method for migrating memory data of virtual machine, and related apparatus and cluster system","assignee":null,"inventors":[],"filing_date":"2014-11-06T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04L","G06F","G06F"],"num_claims":18,"abstract":"A method for migrating memory data of a virtual machine, and a related apparatus, and a cluster system are provided. The method includes: obtaining a data sending request for sending memory data of a first virtual machine, where the request includes an identity of the first virtual machine and a PFN of the memory data that is requested to be sent; querying a correspondence information base according to the identity of the first virtual machine to obtain a correspondence of the first virtual machine; querying the correspondence of the first virtual machine according to the PFN of the memory data that is requested to be sent, so as to obtain a physical memory page address of the memory data; and sending, to a destination physical host by using an RDMA network adapter, memory data stored at the physical memory page address of the memory data."},"analysis":{"summary":"The Method for Migrating Memory Data of Virtual Machine, and Related Apparatus and Cluster System patent introduces an innovative approach to virtual machine migration that significantly improves performance and reduces downtime. The core innovation lies in leveraging Remote Direct Memory Access (RDMA) to enable direct memory transfer between physical hosts, bypassing the CPU and operating system overhead associated with traditional migration methods.\n\nThis technology addresses the problem of slow and disruptive virtual machine migration, which can impact application performance and availability. Traditional migration techniques often rely on conventional network protocols, resulting in significant latency and resource contention. The invention solves this problem by utilizing RDMA to directly transfer memory data, minimizing downtime and maximizing efficiency.\n\nThe key technical approach involves querying a correspondence information base to identify the physical memory page address of the data to be migrated. The system then utilizes an RDMA network adapter to directly transfer the memory data to the destination host. This direct memory access significantly reduces latency and improves overall migration speed.\n\nThe business value of this technology lies in its ability to improve application performance, reduce downtime, and enhance resource utilization. By optimizing the migration process, data centers can more efficiently allocate resources and respond to changing demands. This can lead to significant cost savings and improved overall efficiency.\n\nThe market opportunity for this technology is substantial, as virtual machine migration is a critical process in modern data centers and cloud computing environments. By improving the efficiency and reliability of migration, this innovation can help cloud providers deliver better service and reduce operational costs. The Method for Migrating Memory Data of Virtual Machine, and Related Apparatus and Cluster System is poised to transform the way data centers manage virtual machine migration.","layman_explanation":"The Method for Migrating Memory Data of Virtual Machine, and Related Apparatus and Cluster System addresses a critical challenge in modern data centers: the efficient and rapid migration of virtual machines. Virtual machines (VMs) are essentially software-based computers that run on physical hardware. Moving these VMs from one physical server to another is a common task for maintenance, load balancing, and disaster recovery. However, the traditional methods of migrating VMs can be slow and disruptive.\n\n**1. What Problem Does This Solve?**\n\nThe core problem is that moving a VM involves transferring a large amount of data – the VM's memory – from one server to another. Traditional methods treat this data transfer like a regular network file transfer, which is inefficient. This can lead to significant downtime, impacting the applications running on the VM and potentially disrupting business operations. Existing solutions often fall short because they rely on the CPU to manage the data transfer, creating a bottleneck.\n\n**2. How Does It Work?**\n\nThis patent introduces a clever solution that bypasses the traditional network transfer process. Instead of using the CPU to manage the data transfer, it leverages a technology called Remote Direct Memory Access (RDMA). Think of RDMA as a direct pipeline between the memories of two computers. It allows one computer to directly access the memory of another computer without involving the CPU. This is like having a dedicated express lane for moving data, making the process much faster.\n\nSpecifically, the system queries a database to find the exact location of the VM's memory on the physical server. Then, using RDMA, it directly copies the memory data to the destination server. This eliminates the overhead associated with traditional network transfers, resulting in significantly faster migration times.\n\n**3. Why Does This Matter?**\n\nThe impact of this technology is significant. Faster VM migration translates to less downtime, which means improved application availability and reduced business disruption. It also allows data centers to be more agile, quickly adapting to changing demands. For cloud providers, this means better service and reduced operational costs. The competitive advantages are clear: companies that can migrate VMs faster and more efficiently will have a significant edge.\n\nThe market opportunity is substantial, as virtualization and cloud computing continue to grow. The ability to quickly and seamlessly move VMs is becoming increasingly critical for businesses of all sizes. This technology has the potential to transform the way data centers manage their resources and deliver services.\n\n**4. What's Next?**\n\nLooking ahead, this technology could be further refined to support even faster migration times and more complex scenarios. Future applications might include integration with other virtualization technologies, such as containers. The market adoption timeline will likely depend on the willingness of virtualization vendors and cloud providers to incorporate this technology into their platforms. For investors, this represents a promising opportunity to invest in a technology that is poised to become a key enabler of modern data centers.","technical_analysis":"The Method for Migrating Memory Data of Virtual Machine, and Related Apparatus and Cluster System patent describes a system and method for optimizing virtual machine migration using Remote Direct Memory Access (RDMA). The core technical innovation lies in the direct memory transfer mechanism, which bypasses the traditional network stack and CPU involvement, leading to significant performance improvements.\n\nThe technical architecture involves a source host, a destination host, a virtual machine, and an RDMA-capable network adapter. The system maintains a correspondence information base that maps virtual machine memory pages to physical memory addresses. When a migration is initiated, the system queries this database to determine the physical location of the memory data to be transferred.\n\nThe implementation details involve configuring the RDMA network adapter to directly access the memory of the source host and transfer it to the destination host. This requires setting up appropriate memory regions and access permissions. The system also needs to handle memory synchronization and consistency to ensure data integrity during the migration process.\n\nThe algorithm specifics involve a multi-step process: (1) Initiate migration request. (2) Query the correspondence information base for memory mapping. (3) Establish RDMA connection between source and destination hosts. (4) Transfer memory data using RDMA. (5) Update memory mapping on the destination host. (6) Verify data integrity.\n\nThe integration patterns typically involve integrating this system with existing virtualization platforms, such as VMware or KVM. This requires developing APIs and interfaces to interact with the virtualization management layer. The system also needs to be integrated with the network management infrastructure to ensure proper RDMA configuration and routing.\n\nThe performance characteristics of this system are significantly better than traditional migration methods. RDMA enables low-latency, high-bandwidth data transfer, resulting in reduced migration time and improved application performance. The reduced CPU utilization also frees up resources for other tasks.\n\nThe code-level implications involve developing drivers and libraries to support RDMA functionality. This requires a deep understanding of RDMA protocols and hardware interfaces. The system also needs to implement error handling and fault tolerance mechanisms to ensure reliable migration.","business_analysis":"The Method for Migrating Memory Data of Virtual Machine, and Related Apparatus and Cluster System patent presents a significant business opportunity in the virtualization and cloud computing markets. The core value proposition is faster and more efficient virtual machine migration, which translates into reduced downtime, improved application performance, and better resource utilization.\n\nThe market opportunity size is substantial, as virtual machine migration is a critical process in modern data centers and cloud environments. The global virtualization market is estimated to be worth billions of dollars, and the demand for efficient migration solutions is growing rapidly.\n\nThe competitive advantages of this technology include its innovative use of RDMA for direct memory transfer, which bypasses the traditional network stack and CPU involvement. This results in significantly faster migration times compared to existing solutions. The reduced downtime and improved application performance provide a compelling value proposition for businesses.\n\nThe revenue potential for this technology is significant. It can be monetized through licensing agreements with virtualization platform vendors, cloud service providers, and data center operators. The technology can also be integrated into existing virtualization management tools and sold as a premium feature.\n\nThe business model can be based on a combination of upfront licensing fees and recurring subscription fees. The licensing fees would cover the cost of the technology and the recurring fees would cover ongoing support and maintenance.\n\nThe strategic positioning of this technology is as a key enabler for efficient cloud computing and data center management. It can help businesses reduce costs, improve performance, and enhance agility.\n\nThe ROI projections for this technology are highly attractive. By reducing downtime and improving application performance, businesses can save significant amounts of money. The improved resource utilization also leads to cost savings. The combination of these factors results in a compelling ROI for businesses that adopt this technology.","faqs":null,"topics":["virtual machine migration","RDMA","data center optimization","memory data transfer","cloud computing"],"tech_cluster":null},"seo":{"title":"Method for Migrating Memory Data of Virtual Machine - Patent US-9854036","description":"Discover how the Method for Migrating Memory Data of Virtual Machine, and Related Apparatus and Cluster System patent optimizes VM migration using RDMA. Explore technical details, claims, and business implications.","keywords":["virtual machine migration","RDMA","data center optimization","memory data transfer","cloud computing","patent","patent US-9854036"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9854036","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-9854036","citation_suggestion":"Patentable. \"Method for migrating memory data of virtual machine, and related apparatus and cluster system\" (US-9854036). https://patentable.app/patents/US-9854036","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9854036","json":"https://patentable.app/api/llm-context/US-9854036","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:03:08.223Z"}