Columns Reviews Features Road Crew Copyright

	Introduction by Sandeep Jain WAP Links by Sandeep Jain Ask Jack: CareerLine by Jack Wilson A Day in the Life of... Hal Berghel On Patrol: Security for Wide-Area Internet Routing by Nick Feamster Appears online-only!
	Book Review: Programming Applications with the Wireless Application Protocol by Kostas Pentikousis Appears online-only! Book Review: Handbook of Mobile Radio Networks by Kostas Pentikousis Appears online-only!
	Cellular Networks: Past, Present, and Future by Lourens O. Walters and P. S. Kritzinger Mobile IP by Debalina Ghosh Service Discovery in the Future for Mobile Commerce by Dipanjan Chakraborty and Harry Chen Can TCP be the transport protocol of the 21st century? by Kostas Pentikousis