Amazon EC2 如何通过实时迁移改善客户体验.pdf

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1、 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.C M P 3 2 2How Amazon EC2 improves the customer experience with Live MigrationSebastian BiemuellerPrincipal Engineer,EC2Amazon Web Services 2025,Amazon Web Services,

2、Inc.or its affiliates.All rights reserved.AgendaIntroductionWhy Live Migration?Evolution of EC2 Live MigrationInnovation in the Nitro SystemConclusion 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.The Problem:Pla

3、cing the Instance 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.The ProblemInstances cannot move easilyThe EC2 Instance launches onto a specific hostInstance uses specific resources of that hostThe instances placement quality degrades over timeOnly a Stop/Start or an Auto Recove

4、ry can make the instance move,but this is disruptive 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.Solution:Live Migration 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.Live MigrationMove ins

5、tances while they are runningVirtualization offers a layer of indirectionHypervisor allows to track changes Replicate state onto another hostConstraints:Virt instance-typeCompatible hostsIntra Availability Zone 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.EC2 control planeNitro

6、 instance 1Nitro instance 1API:Authenticated,authorized,and encryptedNetworkEBS volumeNitro hostNitro HypervisorNitro ControllersNitro hostNitro HypervisorNitro ControllersEC2 Live Migration 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.Phases of a Live MigrationLocal Instance S