Host Replacement in Multi-Host Servers With Shared NIC Control
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Solution Overview
Problem
Traditional computing environments with individual host-NIC pairings face scalability, flexibility, and resource utilization limitations, leading to underutilization of network resources and increased costs in large-scale deployments, particularly in multi-host environments where NICs are shared among multiple hosts.
Innovation Solution
Implementing an intelligent out-of-band control messaging interface and comprehensive resource management system to manage network interface controllers (NICs) in multi-host environments, ensuring seamless replacement and reconfiguration of hosts/NICs, with real-time communication and synchronization using a path management subsystem.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional individual host-NIC pairings are used, then system simplicity is maintained, but resource utilization is poor and scalability is limited
Solution Approach 1:
The patent implements multi-host environments where a single NIC can be shared among multiple hosts through virtualization technologies. The NIC is configured to recognize and serve multiple host identifiers, allowing one network interface to perform multiple hosting functions simultaneously, thereby improving resource utilization without requiring proportional increases in hardware
2Adaptability or versatility
If NICs are shared among multiple hosts, then resource utilization improves, but managing NIC replacement and reconfiguration becomes complex
Solution Approach 1:
The system performs preliminary actions by pre-configuring backup NICs with the necessary virtualization settings and host identifier mappings before they are needed. When a primary NIC fails or needs replacement, the pre-prepared backup NIC can be rapidly activated without requiring complex reconfiguration, significantly easing the replacement process
Solution Approach 2:
The patent implements monitoring mechanisms that track NIC status, performance metrics, and failure conditions in real-time. This feedback system automatically triggers replacement procedures when thresholds are exceeded or failures are detected, simplifying the management of NIC replacements in multi-host environments by removing manual intervention requirements
3Productivity
If host/NIC replacement is performed without intelligent control, then replacement speed is fast, but communication disruptions and data loss occur
Solution Approach 1:
The system establishes backup communication paths and pre-configures alternative NICs before primary NICs are replaced. Virtual switches and network routing protocols are pre-adjusted to enable automatic failover, ensuring that communication continuity is maintained throughout the replacement process without disruptions or data loss
Solution Approach 2:
The patent implements redundancy mechanisms where backup NICs and alternative communication paths are prepared in advance as a cushion against potential failures during replacement. This cushioning approach ensures that if issues arise during NIC replacement, the system has pre-positioned resources to maintain communication reliability
Data Source
AI summary
One or more aspects of the present disclosure relate to replacing a network interface controller (NIC)/host in a multi-host environment. In embodiments, a status of a first host in a first server is monitored by a second host in a second server using an out-of-band control messaging interface. In addition, communications destined to the first host or directed through a first NIC corresponding to the first host and in the first server is controlled based on the status of the first host. Further, resources on the first NIC and established for the second host is managed based on the status of the first host.