---
格式版本: 2
标题: "AWS Gateway Load Balancer now supports TCP Reset for faster failure recovery"
原文链接: "https://aws.amazon.com/about-aws/whats-new/2026/09/aws-gateway-load-balancer-tcp-reset/"
发布日期: "2026-09-03"
发布时间校准状态: "found"
发布时间需复核: "否"
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发布时间原页读取状态: "source template page reused from URL open"
发布时间未找到原因: ""
发布时间校准时间: "2026-09-06T01:13:58+08:00"
发布时间仲裁状态: "confirmed"
发布时间仲裁尝试次数: 1
发布时间仲裁耗时毫秒: 3281
发现时间: "2026-09-06T00:24:38+08:00"
入库时间: "2026-09-05T17:14:03.921Z"
来源平台: "固定入口"
搜索渠道: "fixed_url"
搜索词: "https://aws.amazon.com/new"
匹配关键词:
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相关厂家:
  - "AWS"
相关专家:
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内容类型: "网页"
抓取工具: "Free Fetch + Defuddle"
清洗工具: "Defuddle Markdown + Defuddle/Readability 正文提取"
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AI优质: "否"
AI打分: 52
AI分档: "非优质"
AI质检状态: "不通过"
AI打分理由: "正文主线是AWS Gateway Load Balancer新增TCP Reset故障恢复能力，属于通用云网络负载均衡功能，未直接讨论超节点、AI Rack、机柜级系统或关键部件；来源为AWS官方公告，具备权威性，且该功能发布为新增事实，有触发机制、默认关闭、按目标组启用、全区域可用等细节，但没有AI机架级架构、客户部署、量产或路线图信号，未命中高价值准入通道，整体不进入超节点业务情报库。"
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AI质检时间: "2026-09-06T01:14:21+08:00"
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AI来源权威性: 15
AI新颖性: 12
AI技术细节: 9
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AI完整性: 8
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AI评分知识库检索词: "[\"AWS\",\"https://aws.amazon.com/new\",\"TCP\",\"GWLB\",\"RST\",\"CLI\",\"API\"]"
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采集批次: "2026年9月6日0点59分28秒"
采集批次ID: "20260906-005928-61f855f3"
去重键: "https://aws.amazon.com/about-aws/whats-new/2026/09/aws-gateway-load-balancer-tcp-reset"
---

AWS Gateway Load Balancer (GWLB) now supports sending TCP Reset (RST) packets when a target becomes unhealthy, is deregistered, or when a flow's idle timeout expires. This feature helps reduce traffic interruptions from minutes to seconds by enabling TCP endpoints to quickly detect failed connections and establish new TCP flows through healthy targets.  
  
Previously, when a GWLB target failed, existing TCP connections would continue to be forwarded to the unhealthy target (aka fail-open behavior). Client and server applications could experience interruptions lasting several minutes due to TCP retry and exponential back-off mechanisms built in the TCP stacks of clients or servers. When this capability is enabled, GWLB sends TCP Resets in response to the incoming traffic, indicating to the sender that a TCP connection is no longer viable. This allows TCP endpoints to recover in quickly.  
  
TCP Reset is not enabled by default to ensure backward compatibility. You can enable it per target group using the AWS Management Console, AWS CLI, or API. Three triggers are supported independently for generating TCP Reset: target becomes unhealthy, target deregistration (after connection draining), and TCP idle timeout expiry.  
  
This feature is available for all new and existing Gateway Load Balancers in all AWS Regions where GWLB is available. There is no additional charge for using this feature.  
  
To learn more, visit this [AWS blog](https://aws.amazon.com/blogs/networking-and-content-delivery/reduce-traffic-interruptions-with-gateway-load-balancer-tcp-reset/)*,*and GWLB User Guide [here](https://docs.aws.amazon.com/elasticloadbalancing/latest/gateway/edit-target-group-attributes.html#send-tcp-reset-target-failover) and [here](https://docs.aws.amazon.com/elasticloadbalancing/latest/gateway/gateway-listeners.html#listener-attributes).