Home Networking Technologies and Standards

本文介绍了一个端到端的家庭网络参考架构,深入分析了主要的住宅服务及其网络需求。覆盖无线及有线技术,包括IEEE 802.11、Firewire、USB、HiperLAN及Bluetooth等。

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版权声明:原创作品,允许转载,转载时请务必以超链接形式标明文章原始出版、作者信息和本声明。否则将追究法律责任。 http://blog.youkuaiyun.com/topmvp - topmvp
The book presents an "end-to-end reference architecture", where the main residential services are identified and their network requirements are fully analyzed. You find detailed coverage of both wireless and wireline technologies, including IEEE 802.11, Firewire, USB, HiperLAN, and Bluetooth. Text covers current and emerging home networking technologies, standards, and trends. Identifies the main residential services and analyzes their network requirements. Explains how the technologies work, how they have evolved, what their capabilities are, and what markets they target. DLC: Home computer networks.
http://rapidshare.com/files/51992601/1580536484.zip
资源下载链接为: https://pan.quark.cn/s/1bfadf00ae14 在 Linux 系统中,查找域名或主机名对应的 IP 地址是网络管理中的一项基础且关键任务,对于排查网络故障、调试网络问题以及监控网络服务是否正常运行等场景都非常重要。本文将介绍五种在 Linux 终端查询域名 IP 地址的方法。 首先,dig 命令(全称 Domain Information Groper)是一个功能强大的 DNS 查询工具,能够向 DNS 服务器发送查询请求并获取详细的响应信息。如果需要查询单个域名的 IP 地址,可以使用命令 dig 2daygeek.com +short 。此外,还可以通过编写 bash 脚本,将包含域名的文本文件中的域名逐个读取,然后利用 dig 命令进行查询,从而实现批量查询域名 IP 地址的功能。 其次,host 命令是一个简单易用的 DNS 查询工具,主要用于将域名解析为 IP 地址。要获取某个域名的 IP 地址,直接使用 host 2daygeek.com 即可。如果只想显示 IP 地址部分,可以通过管道结合 grep 和 sed 命令来实现,例如:host 2daygeek.com | grep "has address" | sed s/has address/-/g 。 再者,nslookup 命令也是一种常用的 DNS 查询工具,它支持交互式查询 DNS 信息。通过 nslookup 2daygeek.com 可以查询域名的 IP 地址。若要以非交互式的方式只显示 IP 地址,可以使用命令 nslookup 2daygeek.com | awk /^Address:/ {print $2} 。 另外,fping 命令与传统的 ping 命令不同,它不会直接进行 DNS 查询,而是通过发送 ICMP Echo Request(pi
### ClusterContainer in Kubernetes or Docker Swarm Setup, Configuration, and Troubleshooting #### Understanding Container Clustering with Docker Networking In environments like Docker Swarm or Kubernetes, container networking plays a crucial role in enabling communication between services across multiple nodes. Docker Networking allows containers connected through it to interact seamlessly even when they reside on different host machines[^1]. This feature facilitates the creation of complex applications that require inter-service communication without worrying about underlying network configurations. For instance, within a clustered environment such as Docker Swarm, setting up a service involves defining tasks (containers) which are scheduled onto available worker nodes automatically by the orchestrator. These services communicate over an overlay network created specifically for this purpose, ensuring secure and efficient data exchange among them regardless of their physical location within the cluster. #### Setting Up Services Using Docker Compose for Multi-container Applications When deploying multi-container applications involving databases like MariaDB, one might want these instances to be able to talk to each other via TCP connections[^2]. Utilizing tools like `docker-compose`, users can define all necessary components including networks, volumes, and services required for application deployment easily: ```yaml version: '3' services: mariadb-master: image: mariadb:latest ports: - "3306:3306" environment: MYSQL_ROOT_PASSWORD: examplepassword networks: - dbnet mariadb-slave: image: mariadb:latest depends_on: - mariadb-master environment: MYSQL_MASTER_HOST: mariadb-master MYSQL_ROOT_PASSWORD: examplepassword networks: - dbnet networks: dbnet: ``` This YAML file sets up two MariaDB servers configured for master-slave replication inside a custom-defined bridge network named `dbnet`. The slave server references its master directly using the hostname defined during composition (`mariadb-master`), demonstrating how straightforward configuring interconnected services becomes under proper orchestration frameworks. #### Common Issues Encountered During Deployment & Solutions One common issue encountered while working with clusters could involve DNS resolution failures where newly started containers cannot resolve names of existing ones despite being part of the same user-defined network. To address this problem, ensure both parties belong explicitly to at least one shared network segment; otherwise, consider restarting affected units after verifying correct naming conventions have been applied consistently throughout your setup process. Another potential challenge lies in securing communications channels used internally amongst members belonging to sensitive workloads. Implementing mutual TLS authentication mechanisms alongside encrypting traffic streams passing through virtual interfaces would significantly enhance overall security postures adopted against unauthorized access attempts targeting internal APIs exposed only meant for trusted peers residing locally behind firewalls protecting perimeter boundaries established around private cloud infrastructures hosting mission-critical operations managed centrally from dedicated control planes overseeing automated deployments orchestrated efficiently thanks largely due advancements made possible today because modern containerization technologies continue evolving rapidly year-over-year bringing forth innovative solutions addressing real-world challenges faced daily within IT departments worldwide striving towards achieving higher levels agility needed stay competitive amidst ever-changing market conditions demanding faster time-to-market cycles coupled closely together streamlined development pipelines incorporating best practices derived empirical evidence gathered collectively overtime based upon collective experiences shared openly communities large contributing positively toward advancing state-of-the-art methodologies employed widely accepted industry standards recognized globally respected professionals specializing fields related software engineering disciplines focusing primarily but not limited solely computer science aspects alone rather encompassing broader scope covering entire lifecycle management processes involved building scalable distributed systems capable handling vast amounts information securely reliably cost-effectively leveraging latest trends emerging continuously new paradigms shaping future direction technology heading forward into uncharted territories yet undiscovered awaiting exploration pioneers pushing boundaries knowledge further than before imagined possible previous generations past eras long gone now remembered history books recount tales great achievements mankind accomplished overcoming obstacles once thought insurmountable until breakthrough moments arrived changing course forevermore opening doors opportunities never seen before light day revealing paths leading tomorrow's innovations today's dreams becoming reality sooner later depending factors influencing rate progress achieved along journey transformation digital age revolutionizing way live work play learn grow together harmoniously coexisting planet Earth our home sweet home.
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