Hidekazu Konishi is an AI Solutions Architect, Japan AWS Top Engineer, Japan All AWS Certifications Engineer, AI Agent Engineer, Cloud Architect, and Tech Blogger.
https://hidekazu-konishi.com/entry/content_provenance_for_ai_generated_media.html Content Provenance for AI-Generated Media - C2PA, Watermarking, and Machine-Readable Marking.
https://hidekazu-konishi.com/entry/threat_modeling_generative_ai_applications_on_aws.html Threat Modeling Generative AI Applications on AWS - STRIDE for RAG, Agents, and Tool Use.
https://hidekazu-konishi.com/entry/zero_downtime_database_change_on_rds_and_aurora.html Zero-Downtime Database Change on RDS and Aurora - Blue/Green Deployments, Upgrades, and Rollback Design.
https://hidekazu-konishi.com/entry/aws_service_lifecycle_states_reference.html AWS Service Lifecycle States - Maintenance, Sunset, Full Shutdown, and What Each One Takes Away.
https://hidekazu-konishi.com/entry/aws_lambda_managed_instances_design_guide.html AWS Lambda Managed Instances - Capacity Providers and the Multi-Concurrency Trap.
https://hidekazu-konishi.com/entry/surviving_forced_maintenance_on_aws.html Surviving Forced Maintenance on AWS - Retirements, Grace Periods, and Health-Driven Operations.
https://hidekazu-konishi.com/entry/owasp_agentic_top_10_mapped_to_aws_controls.html OWASP Top 10 for Agentic Applications Mapped to AWS Controls - What Each Control Mitigates and What Residual Risk Remains.
https://hidekazu-konishi.com/entry/vpc_encryption_controls_in_transit.html VPC Encryption Controls - Auditing and Enforcing Encryption in Transit.
https://hidekazu-konishi.com/entry/opentelemetry_native_observability_on_aws.html OpenTelemetry-Native Observability on AWS - OTLP Ingestion, PromQL, and the X-Ray SDK Transition.
https://hidekazu-konishi.com/entry/how_elastic_load_balancing_scales.html How Elastic Load Balancing Scales - Scaling Rate, Capacity, and Load Balancer Capacity Unit Reservation.
https://hidekazu-konishi.com/entry/boundaries_of_the_aws_global_network.html The Boundaries of the AWS Global Network - Autonomous Systems, Partitions, and What a Private Path Does Not Guarantee.
https://hidekazu-konishi.com/entry/aws_iam_outbound_identity_federation.html AWS IAM Outbound Identity Federation - Issuing Short-Lived Tokens from AWS to External Services.
https://hidekazu-konishi.com/entry/designing_for_spot_interruptions_on_aws.html Designing for Spot Interruptions on AWS - Allocation Strategies, Rebalance Signals, and Graceful Degradation.
https://hidekazu-konishi.com/entry/aws_data_movement_decision_guide.html AWS Data Movement Decision Guide - DataSync, Transfer Family, Storage Gateway, and Data Transfer Terminal.
https://hidekazu-konishi.com/entry/elastic_fabric_adapter_and_aws_network_fabric.html Elastic Fabric Adapter and the AWS Network Fabric - SRD, ENA Express, and Placement Group Design.
https://hidekazu-konishi.com/entry/chaos_engineering_on_aws_with_fault_injection_service.html Chaos Engineering on AWS with AWS Fault Injection Service - Experiment Design, Stop Conditions, and Safety Rails.
https://hidekazu-konishi.com/entry/aws_systems_manager_fleet_operations_guide.html AWS Systems Manager Fleet Operations at Scale - Patch Manager, State Manager, Automation Runbooks, and Session Manager.
https://hidekazu-konishi.com/entry/amazon_cloudwatch_alarm_design_guide.html Amazon CloudWatch Alarm Design and Alert Fatigue - Composite Alarms, Anomaly Detection, Metric Math, and Metric Cardinality.
https://hidekazu-konishi.com/entry/aws_private_ca_hierarchy_design_guide.html AWS Private CA Hierarchy Design - Root and Subordinate CAs, Revocation, Short-Lived Mode, and mTLS on ALB.
https://hidekazu-konishi.com/entry/aws_nitro_enclaves_and_confidential_computing.html AWS Nitro Enclaves and Confidential Computing on AWS - Attestation, PCR Measurements, and KMS Condition Keys.
https://hidekazu-konishi.com/entry/amazon_guardduty_extended_threat_detection_architecture.html Amazon GuardDuty Extended Threat Detection Architecture - Attack Sequences, Runtime Monitoring, and Response Automation.
https://hidekazu-konishi.com/entry/amazon_ebs_performance_engineering_guide.html Amazon EBS Performance Engineering - Volume Types, io2 Block Express, Snapshot Initialization, and Multi-Attach.
https://hidekazu-konishi.com/entry/amazon_fsx_family_decision_guide.html Amazon FSx Family Decision Guide - Choosing Between Lustre, NetApp ONTAP, OpenZFS, and Windows File Server.
https://hidekazu-konishi.com/entry/aws_iam_access_analyzer_deep_dive.html AWS IAM Access Analyzer Deep Dive - External, Internal, and Unused Access Analyzers with Custom Policy Checks in CI.
https://hidekazu-konishi.com/entry/japanese_and_cjk_rag_preprocessing.html Japanese and CJK Text Preprocessing for RAG - Tokenization, Normalization, and Chunk Boundaries.
https://hidekazu-konishi.com/entry/ipv6_first_vpc_design_on_aws.html IPv6-First VPC Design on AWS - IPv6-Only Subnets, DNS64 and NAT64, and Dual-Stack Migration.
https://hidekazu-konishi.com/entry/agent_reliability_engineering_design_guide.html Agent Reliability Engineering Design Guide - Retries, Loop Detection, Timeout Budgets, and Human Escalation for AI Agents.
https://hidekazu-konishi.com/entry/post_quantum_cryptography_standardization_timeline.html Post-Quantum Cryptography Standardization Timeline and Migration on AWS - From Algorithm Selection to Service Support.
https://hidekazu-konishi.com/entry/amazon_eks_pod_identity_and_irsa_decision_guide.html Amazon EKS Pod Identity and IRSA Decision Guide - Workload Identity Design, Trade-offs, and Migration Paths.
https://hidekazu-konishi.com/entry/email_authentication_and_deliverability_history.html Email Authentication History and Timeline - SPF, DKIM, DMARC, and BIMI.
https://hidekazu-konishi.com/entry/opentelemetry_genai_semantic_conventions_guide.html OpenTelemetry GenAI Semantic Conventions Implementation Guide - Vendor-Neutral Instrumentation for LLM and Agent Applications.
https://hidekazu-konishi.com/entry/aws_kms_envelope_encryption_and_data_key_caching_guide.html AWS KMS Envelope Encryption and Data Key Caching Patterns - Design Decisions for the AWS Encryption SDK and Multi-Region Keys.
https://hidekazu-konishi.com/entry/tls_certificate_ecosystem_history.html TLS Certificate Ecosystem History and Timeline - Certificate Authorities, Automation, and Shrinking Certificate Lifetimes.
https://hidekazu-konishi.com/entry/llm_output_verification_patterns.html LLM Output Verification Patterns - Grounding Checks, Self-Verification, Cross-Model Review, and Citation Enforcement.
https://hidekazu-konishi.com/entry/major_security_vulnerabilities_history_and_timeline.html Major Security Vulnerabilities History and Timeline - Disclosure, Impact, and the Response Practices They Changed.
https://hidekazu-konishi.com/entry/cell_based_architecture_and_shuffle_sharding_on_aws.html Cell-Based Architecture and Shuffle Sharding on AWS - Blast Radius Reduction Patterns for Large-Scale Workloads.
https://hidekazu-konishi.com/entry/aws_retired_services_history_and_timeline.html AWS Retired Services History and Timeline - Discontinued, Sunset, and Closed-to-New-Customer Services.
https://hidekazu-konishi.com/entry/aws_history_and_timeline_amazon_opensearch_service.html AWS History and Timeline regarding Amazon OpenSearch Service - Overview, Functions, Features, Summary of Updates, and Introduction.
https://hidekazu-konishi.com/entry/aws_history_and_timeline_amazon_elasticache.html AWS History and Timeline regarding Amazon ElastiCache - Overview, Functions, Features, Summary of Updates, and Introduction.
https://hidekazu-konishi.com/entry/aws_history_and_timeline_aws_waf.html AWS History and Timeline regarding AWS WAF - Overview, Functions, Features, Summary of Updates, and Introduction.
https://hidekazu-konishi.com/entry/aws_history_and_timeline_aws_silicon.html AWS Custom Silicon History and Timeline - Nitro System, Graviton, Inferentia, Trainium, and Introduction.
https://hidekazu-konishi.com/entry/llm_api_parameter_compatibility_reference.html LLM API Parameter Compatibility Reference - Anthropic, OpenAI, Google Gemini, and Amazon Bedrock.
https://hidekazu-konishi.com/entry/llm_context_window_growth_timeline.html LLM Context Window Growth Timeline - Milestones, Current Sizes by Provider, and Official Sources.
https://hidekazu-konishi.com/entry/rag_and_prompting_techniques_history_and_timeline.html RAG and Prompting Techniques History and Timeline - Chain-of-Thought, ReAct, RAG, and GraphRAG.
https://hidekazu-konishi.com/entry/protecting_your_family_from_tech_support_scams_and_phishing.html Protecting Your Family from Tech Support Scams and Phishing - A Practical Guide for the Family IT Helper.
https://hidekazu-konishi.com/entry/aws_security_incident_response_playbooks.html AWS Security Incident Response Playbooks - First-Response Runbooks for Common Scenarios.
https://hidekazu-konishi.com/entry/aws_end_of_support_and_eol_reference.html AWS End-of-Support and EOL Reference - Lambda, EKS, RDS and Aurora, ElastiCache, and OpenSearch Service.
https://hidekazu-konishi.com/entry/open_weights_llm_release_history_and_timeline.html Open-Weights LLM Release History and Timeline - Llama, Mistral, Qwen, DeepSeek, and gpt-oss Model Families, Capability Evolution, and Licenses.
https://hidekazu-konishi.com/entry/java_version_and_lts_timeline.html Java Version and LTS Timeline - Release History, the LTS Model, and Support Across Distributions.
https://hidekazu-konishi.com/entry/nodejs_release_and_eol_timeline.html Node.js Release and EOL Timeline - LTS Schedule, Active LTS and Maintenance, and End-of-Life Dates.