{"published":"2018-08-15 07:30:01","author_url":"https://blog.hatena.ne.jp/naoki86star/","author_name":"naoki86star","provider_url":"https://hatena.blog","width":"100%","description":"Recently, I have learned that the UDP checksum is optional, i.e. the value can be zero, which means not to be calculated. When I got to know, I thought that this was one of a interesting specification of UDP. In version 6, UDP checksum is mandatory. This has nothing to do with dedicated programmers \u2026","height":"190","provider_name":"Hatena Blog","image_url":null,"title":"About UDP...","blog_title":"naoki86star","categories":["Computer Networking"],"url":"https://naoki86star.hatenablog.com/entry/2018/08/15/073001","type":"rich","version":"1.0","blog_url":"https://naoki86star.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnaoki86star.hatenablog.com%2Fentry%2F2018%2F08%2F15%2F073001\" title=\"About UDP... - naoki86star\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}