Mustang adds some networking-related features too and in this chapter we’ll learn what have been brought to the table. This chapter starts with the new API for working with client-side cookies—that’s right, as opposed to cookies manageable by servlets and JSPs, and concludes with the discussion of a brand new HTTP server for testing your web applications and web services. Between the two are topics on internationalized domain names, internationalized resource identifiers, and the InterfaceAddress interface.