This is the definitive compendium of design patterns in communication software, gathered together by Linda Rising, Ph.D., a recognized leader in the field. Contributors include James O. Coplien, Douglas C. Schmidt, Robert Hanmer, Greg Utas, Just van den Broecke, Don Olson, Carlos O'Ryan, Christopher D. Gill, and other experts from the patterns community. This is the ideal reference for engineers and other professionals working in the field of communications software development.