Introduction -- Application layer -- Transport layer -- Network layer -- Data-link layer: wired networks -- Wireless networks and mobile IP -- Physical layer and transmission media -- Multimedia and quality of service -- Network management -- Network security -- Socket programming in Java ; Appendix A: Unicode -- Appendix B: Positional numbering system -- Appendix C: HTML, CSS, XML and XSL -- Appendix D: Miscellaneous information -- Appendix E: 8B/6T code.