Transmission Rate

2197
What Is the Internet
What Is the Internet

In this blog, we'll use the public Internet, a specific computer network. as our principal vehicle for discussing computer networks and their protocols. But what is the Internet? There are a couple of ways to answer this question. First, we can describe the nut and bolts of the

Tags distributed applications, packet switches, transmission rate
1868
DSL
DSL

Today the two most common types of broadband residential access are digital subscriber line (DSL) and cable. In most developed countries today, more than 50% of the households have broadband access, with South Korea, Iceland, Netherlands, Denmark, and Switzerland leading

Tags transmission rate, isp, telco
1338
Fiber-To-The-Home
Fiber-To-The-Home

Fiber optics (to be discussed in "Physical Media") can offer considerably higher transmission rates than twisted-pair copper wire or coaxial cable. Some local telcos (in many different countries), having recently laid optical fiber from their COs to homes, now provide high-speed

Tags transmission rate, distribution network, telco
1200
WiFi
WiFi

Increasingly, people access the Internet wirelessly, either through a laptop computer or from a mobile handheld device, such as an iPhone, Blackberry, or Google phone. Today, there are two common types of wireless Internet access. In a wireless LAN, wireless users

Tags lan, packets, transmission rate
2216
The Network Core
The Network Core

Having examined the Internet's edge, let us now look into more deeply inside the network core - the network of packet switches and links that interconnects the internet's end systems. The following figure highlights the network core with thick, shaded lines.

Tags circuit switching, packet switching, transmission rate
3507
Multiplexing in Circuit-Switched Networks
Multiplexing in Circuit-Switched Networks

A circuit in a link is implemented with either frequency-division multiplexing (FDM) or time-division multiplexing (TDM). With FDM, the frequency spectrum of a link is divided up among the connections established across the link. Particularly, the link dedicates a frequency

Tags transmission rate, packet switching, circuit switching
3460
Packet Switching Versus Circuit Switching: Statistical Multiplexing
Packet Switching Versus Circuit Switching: Statistical Multiplexing

Having explained circuit switching and packet switching, let us compare the two. Opponents of packet switching have frequently argued that packet switching is not appropriate for real-time services (for example, telephone calls and video conference calls) because of its

Tags packet switching, circuit switching, transmission rate
2649
ISPs and Internet Backbones
ISPs and Internet Backbones

We saw earlier that end systems (user PCs, PDAs, Web servers, mail servers, and so on) connect into the Internet via a local ISP. The ISP can supply either wired or wireless connectivity, using an array access technologies including DSL, cable, FTTH, Wi-Fi, cellular, and WiMAX.

Tags end systems, transmission rate, packets
4169
End-to-End Delay
End-to-End Delay

So far we have focused on the nodal delay, that is, the delay at a single router. Lets now examine the total delay from source to destination. To get a handle on this notion, suppose there are N-1 routers between the source host and the destination host. Let's also suppose for the moment that the network

Tags nodal delay, transmission rate, transmission delays
1789
Transport Services Provided by the Internet
Transport Services Provided by the Internet

Up until this point, we have been studying transport services that a computer network could provide generally. Let's now get more particular and look at the type of application support provided by the Internet. The Internet (and, more usually, TCP/IP networks) makes two

Tags transmission rate, tcp connection, throughput, network applications
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