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In the early stages of development of the Internet Protocol, the network number was always the highest order octet (most significant eight bits).Because this method allowed for only 256 networks, it soon proved inadequate as additional networks developed that were independent of the existing networks already designated by a network number.
In 1981, the addressing specification was revised with the introduction of classful network architecture.
Classful network design allowed for a larger number of individual network assignments and fine-grained subnetwork design.
Continue Reading Learn how to understand the difference between bit rate and baud rate in this expert answer.
The IP address space is managed globally by the Internet Assigned Numbers Authority (IANA), and by five regional Internet registries (RIRs) responsible in their designated territories for assignment to end users and local Internet registries, such as Internet service providers.
Being more practical, if you have let's say 155 hosts on your network, you'll surely require a full Class C network address space which provides up to 254 usable IP addresses.
This of course moves us into the subnet topic where you can find more information by visiting Search Networking.com's IP addressing and subnetting fundamentals guide and my websites' Introduction to subnetting article.Expert Chris Partsenidis explains what i Perf is and how i Perf commands can help you measure your network's bandwidth, delay, jitter and potential for...Continue Reading SFP ports enable Gigabit switches to connect to a wide variety of fiber and Ethernet cables in order to extend switching functionality throughout the...The gap in version sequence between IPv4 and IPv6 resulted from the assignment of version 5 to the experimental Internet Stream Protocol in 1979, which however was never referred to as IPv5.IP networks may be divided into subnetworks in both IPv4 and IPv6.The rapid exhaustion of IPv4 address space available for assignment to Internet service providers and end user organizations by the early 1990s, prompted the Internet Engineering Task Force (IETF) to explore new technologies to expand the addressing capability in the Internet.The result was a redesign of the Internet Protocol which became eventually known as Internet Protocol Version 6 (IPv6) in 1995.IPv6 technology was in various testing stages until the mid-2000s, when commercial production deployment commenced.Today, these two versions of the Internet Protocol are in simultaneous use.An IP address refers to one unique address which is usually assigned to a host (workstation, server, router, switch etc).A network address refers to a range of IP addresses.