- Author: Cisco Systems Inc.
- Language: English
- Year: 2004
- Author: Inc. Cisco Systems Cisco Networking Academy Program
- Language: English
- Year: 2001
- Author: Mooi Choo Chuah Qinqing Zhang
- Language: English
- Year: 2006
- Author: Jim Cheshire
- Language: English
- Year: 2007
- Author: Jyh-Cheng Chen Tao Zhang
- Language: English
- Year: 2003
- Author: Walter Y. Chen
- Language: English
- Year: 2003
- Author: Soumen Chakrabarti
- Language: English
- Year: 2002
- Author: DanCederholm
- Language: English
- Year: 2006
- Author: Erhard Motzel Olaf Pannenbäcker Hans Knöpfel Peter Morris Gilles Caupin
- Language: English
- Year: 1999