This chapter is from the book
This chapter is from the book
This chapter is from the book
Introduction (3.0.1.1)
One of the most common types of WAN connections, especially in long-distance communications, is a point-to-point connection, also called a serial or leased line connection. Because these connections are typically provided by a carrier, such as a telephone company, boundaries between what is managed by the carrier and what is managed by the customer must be clearly established.
This chapter covers the terms, technology, and protocols used in serial connections. The High-Level Data Link Control (HDLC) and Point-to-Point Protocol (PPP) are introduced. PPP is a protocol that is able to handle authentication, compression, error detection, monitor link quality, and logically bundles multiple serial connections together to share the load.
Class Activity 3.0.1.2: PPP Persuasion
Your network engineering supervisor recently attended a networking conference where Layer 2 protocols were discussed. He knows that you have Cisco equipment on the premises, but he would also like to offer security and advanced TCP/IP options and controls on that same equipment by using the Point-to-Point Protocol (PPP).
After researching the PPP protocol, you find it offers some advantages over the HDLC protocol, currently used on your network.
Create a matrix listing the advantages and disadvantages of using the HDLC vs. PPP protocols. When comparing the two protocols, include
- Ease of configuration
- Adaptability to non-proprietary network equipment
- Security options
- Bandwidth usage and compression
- Bandwidth consolidation
Share your chart with another student or class. Justify whether or not you would suggest sharing the matrix with the network engineering supervisor to justify a change being made from HDLC to PPP for Layer 2 network connectivity.