This issue of the journal Real-Time Systems contains extended versions of four selected papers among the ones presented at the 25th International Conference on Real-Time and Network Systems (RTNS 2017), held in Grenoble in October 2017. The scope of the conference covered all aspects of real-time systems and networks. A selection of the papers presented at the conference were invited to submit extended versions for this special issue. These papers were selected based on their quality, relevance and originality.

中文翻译：

---

客座社论：实时和网络系统特刊

本期《实时系统》杂志包含 2017 年 10 月在格勒诺布尔举行的第 25 届实时和网络系统国际会议 (RTNS 2017) 上发表的四篇选定论文的扩展版本。会议范围涵盖实时系统和网络的所有方面。在会议上发表的一些论文被邀请为本特刊提交扩展版本。这些论文是根据其质量、相关性和原创性选择的。