All Posts in "communications"

Backbone NetworksIn the present carrier backbone networks, handling growing targeted traffic is a significant challenge facing network operations. Every floor in the building has a set of switches and access points that serve the LANs on that floor. The classic notion of a backbone is a bundle of wires, which serves the a number of networks as the major super highway for data. Chapter 14 explores how to bypass most effective-effort by offering differentiated service in IP networks. In early information networking, the topology for the network backbone was fairly simple: Operations have been centralized, so a star topology made the most sense—and, in some cases, this was the only topology the technology would help.

If a network backbone goes down your Net connection speed can be drastically lowered or may possibly not even be capable to get to certain locations in the world. The World-wide-web has no centralized governance in … Continue reading >>>

Michael Green by — December 14, 2016 in Backbone Networks

Backbone NetworksThe backbone architecture refers to the way in which the backbone interconnects the networks attached to it and how it manages the way in which packets from 1 network move by way of the backbone to other networks. Packet switching may well be applied internally by backbone networks to take benefit of these visitors patterns, even though the backbone network might present a circuit-switching appearance to external hosts (see virtual circuit ). Visitors-pattern evaluation could be utilized to construct backbone networks that reduce certain network parameters, such as typical delay, circuit charges, and so forth.

Switched Token Ring is related to switched ethernet,in that a token ring switch replaces the token ring hub, providing a series of point-to-point connections from the computer systems to the switch alternatively of the classic shared circuit. A single of the most frequent utilizes of gateways is to allow LANs that use TCP/IP and ethernet … Continue reading >>>

Michael Green by — October 7, 2016 in Backbone Networks

Local Area NetworksA network consists of two or far more computer systems that are linked in order to share resources (such as printers and CDs), exchange files, or let electronic communications. Even though this market segment is now a great deal decreased, the technologies developed in this location continue to be influential on the World-wide-web and in both Linux and Apple Mac OS X networking—and the TCP/IP protocol has now just about entirely replaced IPX , AppleTalk , NBF , and other protocols utilised by the early Computer LANs.

LANs developed simultaneously to connect freestanding computer systems in offices that, till LANs came, exchanged data by passing diskettes about, and in operations utilizing dumb terminals, such terminals very first getting replaced by PCs and, later, the connection to mainframes severed with the PCs now connected either to each other or to a server making use of servers became by far the most … Continue reading >>>

Michael Green by — August 26, 2016 in Local Area Networks