Packet Switches

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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
1307
A Services Descriptions
A Services Descriptions

Our discussion above has identified many of the pieces that structure the Internet. But we can also explain the Internet from completely different angle - namely, as an infrastructure that gives services to applications. These applications contain electronic mail, Web surfing,

Tags network core, packet switches, routers
2956
Packet Switching
Packet Switching

Allocated applications exchange messages in completing their task. Messages can contain anything the protocol designer desires. Messages may carry out a control function (far example, the "Hi" messages in our handshaking example) or can include data, such as an e-mail

Tags communication links, packet switches, link-layer switches
2117
Protocol Layers and Their Service Models
Protocol Layers and Their Service Models

From our discussion so far, it is obvious that the Internet is very complicated system. We have seen that there are many pieces to the Internet: various applications and protocols, different types of end systems, packet switches, and several types of link-level media. Given

Tags end systems, packet switches, computer networking
2054
Protocol Layering
Protocol Layering

We have discussed enough about airlines. Let's now turn our attention to network protocols. To provide structure to the design of network protocols, network designers organize protocols - and the network hardware and software that implement the protocols - in layers. Each

Tags network protocol, packet switches, protocol stack
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