【测试】AWS东京同一区域可用区之间的延迟

东京的同一可用区之间的延迟0.4ms左右： ap-northeast-1a区到ap-northeast-1c区大约1.9ms： ap-northeast-1a区到ap-northeast-1d区大约1.55ms： ap-northeast-1c区到ap-northeast-1d区大约1.2ms：