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    25 Results with the "Science" genre


    • Operating the Internet Cover
      by LovelyMay In the chapter titled "Operating the Internet," the process of accessing and retrieving documents from the early internet is detailed through the usage of tools like telnet and FTP (File Transfer Protocol) on a BSD (Berkeley Software Distribution) system. The narrative begins with a user deciding to locate and download a document named NETINFO:NUG.DOC, which stands for The Users Guide to the ARPAnet, using telnet to access sri-nic.arpa. This is followed by an illustration of how to conduct an anonymous FTP…
    • Chapter

      Trust Issues

      Trust Issues Cover
      by LovelyMay Chapter 14 of the book "Operating the Internet" discusses the evolving challenges in managing the internet's infrastructure, notably trust issues among gateways and the complexities of routing and congestion. In the early days, trust among gateways, which exchange routing information, was implicit under the unified management of DARPA. However, the proliferation of multiple wide area networks under various administrations has introduced concerns about the potential for a rogue gateway to disrupt the…
    • Chapter

      Gated

      Gated Cover
      by LovelyMay In the realm of internet operation, managing the transmission delay across network links presents a complex challenge. Unlike tangible measurements, such as round-trip time, which suffer from varying conditions like congestion or disparate speeds, delay metrics necessitate a nuanced approach. To approximate the time delay, a sophisticated algorithm is essential for coordinating time synchronization among nodes, despite the intrinsic approximation. Routers, specifically Hello routers, adeptly manage this…
    • Chapter

      “Names”

      “Names” Cover
      by LovelyMay The chapter "Names" from the book "Operating the Internet" delves into the intricacies of how devices connected to the Internet use symbolic names to communicate, navigating the complexity of Internet Protocol (IP) addresses. It begins by explaining the necessity of symbolic names, given the human difficulty with remembering numerical IP addresses. This need led to the establishment of a name register at the Network Information Center (NIC), facilitating the association of human-friendly names with IP…
    • Chapter

      Trailers

      Trailers Cover
      by LovelyMay In the chapter titled "Operating the Internet," the process of how internet protocols operate and manage data transmission, along with specific protocol behaviors and the challenges they face, are detailed with a focus on TCP/IP mechanics, trailer usage in packets, and retransmission strategies. The chapter begins by explaining the journey of data as it's converted into packets for transmission over the internet. Applications like FTP send data to TCP, which then segments this data, adding a TCP header…
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