O'Reilly logo

IS-IS Network Design Solutions by Scott Sturgess, Abe Martey

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

ISO Connectionless Network Service

The International Organization for Standardization (ISO), currently known as the International Telecommunications Union (ITU), laid the foundation for standardization of computer networking by defining the seven-layer OSI reference model (see Figure 2-1). The OSI reference model, also known as the OSI stack, is specified in ISO 7498. (The ISO standards documents cited in this chapter can be found at www.itu.org/.)

Figure 2-1. The OSI reference model.

The OSI reference model is a significant contribution to the foundations and subsequent evolution of data communications and information technology. It provides the ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required