New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

第九章 : 新鮮度保證 - Annie #109

Open

AK4codee opened this issue Aug 10, 2022 · 0 comments

Labels

question

AK4codee commented Aug 10, 2022 •

edited

Loading

新鮮度保證（recency guarantee）: 系統應保障讀到的值是最近的、最新的，而不是來自陳舊的快取或副本。

正確的全序廣播演算法必須始終保證可靠性和有序性，即使節點或網路出現故障。當然在網路中斷的時候，訊息是傳不出去的，但是演算法可以不斷重試，以便在網路最終修復時，訊息能及時透過並送達（當然它們必須仍然按照正確的順序傳遞）。

如果今天在訊息尚未送達之前(例如遇到網路中斷)，又想要做到新鮮度保證，是否有甚麼處理機制?

kylemocode added the question label

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment