<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Portchannel1</title><description>专业网络、VPS 与基础设施博客：VPS 测评、跨境链路、BGP 路由、服务器运维和网络工具。</description><link>https://portchannel1.com/</link><item><title>沪日 IX 链路实测：云厂前置、入口延迟与日本出口质量</title><link>https://portchannel1.com/blog/huri-ix-review/</link><guid isPermaLink="true">https://portchannel1.com/blog/huri-ix-review/</guid><description>从云厂前置、入口延迟、端内带宽、出口路由四个维度建立沪日 IX 的可复现测试框架。</description><pubDate>Thu, 21 May 2026 00:00:00 GMT</pubDate><category>IX</category><category>VPS</category><category>Routing</category><category>Japan</category></item><item><title>IX 上云互联服务商怎么选：别只看价格，要看前置兼容和故障边界</title><link>https://portchannel1.com/blog/ix-cloud-connectivity-provider-selection/</link><guid isPermaLink="true">https://portchannel1.com/blog/ix-cloud-connectivity-provider-selection/</guid><description>基于 IX 上云服务商市场信息，结合云互联、IXP route server 和远程 peering 的工程视角，给出选型框架。</description><pubDate>Thu, 21 May 2026 00:00:00 GMT</pubDate><category>IX</category><category>VPS</category><category>Routing</category><category>Peering</category></item><item><title>Nobrand Cloud 观察：日本 VPS、沪日 IX 与网络玩家型商家的取舍</title><link>https://portchannel1.com/blog/nobrand-cloud-vps-observation/</link><guid isPermaLink="true">https://portchannel1.com/blog/nobrand-cloud-vps-observation/</guid><description>围绕 Nobrand Cloud 的公开产品线、网络叙事和购买风险，分析它更适合哪类 VPS 玩家。</description><pubDate>Thu, 21 May 2026 00:00:00 GMT</pubDate><category>VPS</category><category>Japan</category><category>BGP</category><category>IX</category><category>Routing</category></item><item><title>Nobrand IX+前置套装购买指南</title><link>https://portchannel1.com/blog/nobrand-ix-front-proxy-buying-guide/</link><guid isPermaLink="true">https://portchannel1.com/blog/nobrand-ix-front-proxy-buying-guide/</guid><description>从前置、IX、移动出口、独立出口和年付策略拆解 Nobrand 沪日专线套装怎么选。</description><pubDate>Thu, 21 May 2026 00:00:00 GMT</pubDate><category>IX</category><category>VPS</category><category>Japan</category><category>Routing</category><category>Network</category></item><item><title>RPKI 与 ROA 入门：VPS 玩家也该看懂的路由安全信号</title><link>https://portchannel1.com/blog/rpki-roa-route-leak-primer/</link><guid isPermaLink="true">https://portchannel1.com/blog/rpki-roa-route-leak-primer/</guid><description>把 RPKI、ROA、BGP 劫持和 route leak 拆成可执行检查项，用于判断商家线路是否具备基本路由安全能力。</description><pubDate>Wed, 20 May 2026 00:00:00 GMT</pubDate><category>RPKI</category><category>BGP</category><category>Routing</category><category>Security</category></item><item><title>IXP Route Server 的盲区：为什么接入交换中心不等于路由更安全</title><link>https://portchannel1.com/blog/ixp-route-server-blind-spot/</link><guid isPermaLink="true">https://portchannel1.com/blog/ixp-route-server-blind-spot/</guid><description>结合 IXP route server 的过滤机制，解释 IRR、RPKI、AS-SET 和错误前缀为什么会影响交换中心互联质量。</description><pubDate>Tue, 19 May 2026 00:00:00 GMT</pubDate><category>IX</category><category>BGP</category><category>Routing</category><category>Peering</category></item><item><title>CN2 GIA、9929、CMIN2、4837：线路名词到底应该怎么看？</title><link>https://portchannel1.com/blog/routing-names-explained/</link><guid isPermaLink="true">https://portchannel1.com/blog/routing-names-explained/</guid><description>拆解 VPS 商家常见线路名词，解释去程、回程、跨网、拥塞、绕路和 QoS 的真实影响。</description><pubDate>Mon, 18 May 2026 00:00:00 GMT</pubDate><category>Routing</category><category>BGP</category><category>Network</category></item><item><title>BGP 采集器数据并不干净：做路由分析前先处理噪声</title><link>https://portchannel1.com/blog/bgp-collector-noise-methodology/</link><guid isPermaLink="true">https://portchannel1.com/blog/bgp-collector-noise-methodology/</guid><description>解释 route collector、MRT 更新、noisy routers 和测量偏差，给出适合博客测评使用的数据清洗思路。</description><pubDate>Mon, 18 May 2026 00:00:00 GMT</pubDate><category>BGP</category><category>Methodology</category><category>Routing</category><category>Data</category></item><item><title>从 BGP 看 DDoS 清洗：高防线路为什么会突然改道</title><link>https://portchannel1.com/blog/ddos-scrubbing-bgp-detection/</link><guid isPermaLink="true">https://portchannel1.com/blog/ddos-scrubbing-bgp-detection/</guid><description>解释 DDoS scrubbing 在 BGP 层面的常见表现，以及 VPS 用户如何区分清洗、绕路和普通拥塞。</description><pubDate>Sun, 17 May 2026 00:00:00 GMT</pubDate><category>DDoS</category><category>BGP</category><category>Routing</category><category>Security</category></item><item><title>IPv6 不只是多一个地址：VPS 商家和用户的长期成本问题</title><link>https://portchannel1.com/blog/ipv6-boardroom-vps-operators/</link><guid isPermaLink="true">https://portchannel1.com/blog/ipv6-boardroom-vps-operators/</guid><description>从运营、风控、网络可达性和未来扩展角度，解释为什么 IPv6 支持应该进入 VPS 选购清单。</description><pubDate>Sat, 16 May 2026 00:00:00 GMT</pubDate><category>IPv6</category><category>VPS</category><category>Network</category><category>Operations</category></item><item><title>用 MTR、NextTrace 和 PingMesh 建立可复现的 VPS 测评流程</title><link>https://portchannel1.com/blog/reproducible-vps-benchmark/</link><guid isPermaLink="true">https://portchannel1.com/blog/reproducible-vps-benchmark/</guid><description>给出从测试窗口、节点选择、数据留档到结论分级的一套标准化流程。</description><pubDate>Fri, 15 May 2026 00:00:00 GMT</pubDate><category>Methodology</category><category>MTR</category><category>VPS</category></item><item><title>安全 DNS 部署清单：从 DNSSEC、DoT/DoH 到递归解析器隔离</title><link>https://portchannel1.com/blog/secure-dns-operator-checklist/</link><guid isPermaLink="true">https://portchannel1.com/blog/secure-dns-operator-checklist/</guid><description>面向小团队和 VPS 用户的 DNS 安全实践，覆盖权威 DNS、递归 DNS、加密传输和日志监控。</description><pubDate>Fri, 15 May 2026 00:00:00 GMT</pubDate><category>DNS</category><category>Security</category><category>Operations</category><category>VPS</category></item><item><title>数据中心会转向 DC 供电吗：能效收益与运维代价</title><link>https://portchannel1.com/blog/datacenter-dc-power-tradeoffs/</link><guid isPermaLink="true">https://portchannel1.com/blog/datacenter-dc-power-tradeoffs/</guid><description>整理数据中心 AC/DC 供电讨论，对 VPS 用户解释电力架构为什么会影响成本、密度和故障恢复。</description><pubDate>Thu, 14 May 2026 00:00:00 GMT</pubDate><category>Datacenter</category><category>Power</category><category>VPS</category><category>Operations</category></item><item><title>QUIC 观测入门：为什么 UDP/443 让网络测量更复杂</title><link>https://portchannel1.com/blog/quic-backscatter-observability/</link><guid isPermaLink="true">https://portchannel1.com/blog/quic-backscatter-observability/</guid><description>从 QUIC、HTTP/3、UDP/443 和被动观测出发，解释现代应用链路为什么不能只靠传统 TCP 测试。</description><pubDate>Wed, 13 May 2026 00:00:00 GMT</pubDate><category>QUIC</category><category>HTTP3</category><category>Network</category><category>Methodology</category></item><item><title>日本落地机怎么选：IIJ、SoftBank、KDDI、NTT 与家宽 IP</title><link>https://portchannel1.com/blog/japan-vps-guide/</link><guid isPermaLink="true">https://portchannel1.com/blog/japan-vps-guide/</guid><description>从访问方向、解锁诉求、成本、IP 信誉和晚高峰稳定性比较常见日本 VPS 类型。</description><pubDate>Sun, 10 May 2026 00:00:00 GMT</pubDate><category>Japan</category><category>VPS</category><category>IP</category></item></channel></rss>