The ACM Computing Classification System (1998)

C.2 COMPUTER-COMMUNICATION NETWORKS

• C.2.0 General
• C.2.1 Network Architecture and Design
• C.2.2 Network Protocols
• C.2.3 Network Operations
• C.2.4 Distributed Systems
• C.2.5 Local and Wide-Area Networks 
• C.2.6 Internetworking  (C.2.2)
• C.2.m Miscellaneous