Some examples of wan technologies like leased lines, framerelay, dsl, cable, and ethernet. Wan technologies generally function at layers 1 through 3 of the osi tcpip reference model, which is why most network engineers also function at this level. A wan uses data links provided by carrier services to access the internet and connect different locations of an organization to each other. The wan is a place in the network that aggregates various types, speeds, and links running a disparate set of protocols together crossing metropolitan, state, and even country boundaries. Multiple types of wan technologies mpls vpn, internet, evpl are supported on a single port and circuit.
What appropriate wan technologies are used to meet. Serial interfaces support a wide variety of wan encapsulation types, which must. The moment packets hit the routers internet interface, they become at what is called wan. An introduction to rfid technology article pdf available in communications and network 0203. Different types of wan technologies data networking. Cisco ios widearea networking command reference pdf.
A wide area network wan is a telecommunications network that extends over a large. Wan technologies followed by information on the selected wan of focus a hybrid wan. You have now learned the basics of wans wide area network. A can, for example, may have a localized backbone of a wan technology, which connects. A wan is usually terminated on a cisco devices serial interface.
Pdf an introduction to wireless technologies part 1. Understanding wan technologies and why networks were divided to local area networks lan and wide area network wan will help you distinguish among what i call packet carriers technologies which carry generated packets among network devices from hop to hop. Introducing smartwan b y r o s e d e f r e m e r y c o n t r i b u t o r if you are looking for a technology overview for sd wan, look no further. Recall that wan technologies operate at both physical and datalink layers of the osi models, and that higherlayer protocols such as ip are encapsulated when sent across the wan link. Vpls networks offer the ability of a meshed network config any to any, so all sites can communicate with each other, increasing network continuity. An introduction to wireless technologies part 1 content. Centralized orchestrationanalytics offering unprecedented wan and application performance visibility. The wide area network wan is a critically important topic for number of reasons. Northcentral universitys academic integrity policy. Routing and management of the vpls network can be done by the customer or provider. This manual contains commands for configuring the following technologies and features. Concentrates on an introduction to wide area networking wans. The terminology that is used when talking about the wan physical layer.
Upload your document and click the submit to dropbox button. Wan originally formed by tele providers, nowadays, provided by internet service providers isp. In this chapter, some fundamental concepts and terms used in the evolving language of internetworking are addressed. Internet access needtochange currently backhauls over half of its internet traffic to its data center in salt lake city. Learn how you can improve your wide area network wan through link aggregation. One primary difference between a wan and a lan is that a company or organization must subscribe to an outside wan service provider to use wan carrier network services.
Installation and configuration of wan technologies wan. Introduction to wan technologies with lab 12044 1 of. Introduction to internetworking 15 1 introduction to internetworking this chapter works with the next six chapters to act as a foundation for the technology discussions that follow. While there remains a place for wan optimization technology in a world of highbandwidth.