This book along with the essay "Beyond Cryptographic Routing: The Echo Protocol in the Era of Exponential Encryption" describe a new protocol: The Echo Protocol and its characteristics with respect to Graph-Theory, Routing-Theory, Networking and Encryption.As a contrast to the TCP protocol, the ECHO is a protocol without routing information. Instead, it's a multi- and hybrid-encryption concept. A network node sends packets to all connections. This creates the new network type of a flooding netw ...