V2EX forward-compatibility

Forward-compatibility

释义 Definition

前向兼容性:指系统、文件格式、协议或软件在“未来版本”出现后,旧版本仍能以合理方式处理新版本产生的数据或交互(通常是能识别并忽略未知内容、保持基本可用,而不至于崩溃)。常与 backward compatibility(向后兼容性) 对照;另有更广义用法。

发音 Pronunciation (IPA)

/frwrd kmptblti/

例句 Examples

Software updates should maintain forward-compatibility so older devices can still open new files.
软件更新应保持前向兼容性,让旧设备仍能打开新文件。

The protocol was designed with forward-compatibility in mind, allowing new fields to be added without breaking older clients that ignore unknown attributes.
该协议在设计时就考虑了前向兼容性:可以新增字段,而旧客户端只要忽略未知属性就不会被破坏。

词源 Etymology

forward(向前、面向未来) + compatibility(兼容性) 组合而成,常见于计算机科学与工程语境,用来描述“面向未来版本”的可兼容设计理念。连字符写法多见于技术文档与术语表。

相关词 Related Words

文学/著作中的用例 Literary Works

  • Designing Data-Intensive Applications(Martin Kleppmann)讨论数据格式、演进与兼容性(常涉及前向/向后兼容的权衡)。
  • Clean Architecture(Robert C. Martin)在系统边界与演进话题中常提到保持接口稳定与兼容的思路。
  • W3C 与 IETF 的技术规范(如多种 Web 标准与 RFC 文档)在协议/格式演进章节中经常使用 forward compatibility 来描述“新增字段、旧实现可忽略”的设计原则。
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