1. A method of delivering content from a content publisher to a content recipient via a distributed transformation network, the method comprising: receiving the content from the content publisher at an entry node of the distributed transformation network, wherein the content is in an XML based format; transforming, in the distributed transformation network, the content into transformed content according to a specification that is determined by the content publisher and a network administrator, the specification based on at least one of: a best-effort basis for delivery of the content and a guaranteed basis for delivery of the content; and transmitting the transformed content to the content recipient, wherein the transforming leaves the content in the same format but adds data to the content.