G Group GA General Atomics GA Go-Ahead GAC Government Advisory Committee GAD Geographical Area Description GADAG Generalized Almost Directed Acyclic Graph GAL G-ACh Label GAP Group Associated Policy GARP Generic Attribute Registration Protocol GASP Global asynchronous stream packet GBR Guaranteed Bit Rate GC GLOBAL CONSTRAINTS GC Group Class. GCA geopolitical certificate authority GCAC Generic Connection Admission Control GCC Google Congestion Control GCKS Group Controller Key Server GCM Galois Counter Mode GCO Global Concurrent Optimization GCP Gateway Control Protocol GCRA Generic Cell Rate Algorithm GDI Graphics Device Interface GDOI Group Domain of Interpretation GE Gigabit Ethernet GEF GCAC edge function GELS GMPLS Ethernet Label Switching GEN Group Event Notification GETS Government Emergency Telecommunication Service GETS Government Emergency Telecommunications Service GFA Gateway Foreign Agent GFC Generic Flow Control GFP Generic Framing Procedure GFP-F Generic Framing Procedure -Framed GFR Guaranteed Frame Rate GGF Global Grid Forum GGP Gateway Gateway Protocol GGP Gateway-Gateway Protocol GGSN Gateway GPRS Support Node GHR Global Handle Registry GIAI Global Individual Asset Identifier GIF Graphic Interchange Format GIG Global Information Grid GIST General Internet Signaling Transport GJD Group Join Delay. GKDC group key distribution centre GKDF Generalized Key Derivation Function GKM Group Key Management GKMP Group Key Management Protocol GKP Group Key Packet GL Group List GLB Global Locator Block GLC Group Lifetime Change GLD Group Leave Delay. GLN Global Location Number GM Group Member GMAC Galois Message Authentication Code GML Geographic Markup Language GML Geography Markup Language GMP Group Management Protocol GMPLS Generalized Multi-Protocol Label Switching GMS Generic Managed System GMT Greenwich Mean Time GNA Group Network Address GNAM Generic Notification Acknowledgement Message GNE Gateway Network Element GNP Geographic number portability GNSS Global Navigation Satellite System GO Group Owner GOES Geosynchronous Orbiting Environmental Satellite GOF Global Objective Function GOP Group of Pictures GOSIP Government Open Systems Interconnection Profile GPAD Group Peer Authorization Database GPI generalized port identifier GPRS GSM Packet Radio System GPRS General Packet Radio Service GPS Global Positioning System GR Graceful Restart GRAI Global Returnable Asset Identifier GRE Generic Route Encapsulation GRE Generic Router Encapsulation GRE Generic Routing Encapsulation GREASE Generate Random Extensions And Sustain Extensibility GRH Global Routing Header GRIC Global Reach Internet Consortium GRP Group Rekey Package GRTT Group Round-Trip Time GRUU Globally Routable UA URI GS Generic Stream GS Group Status GS Guaranteed Service GSA General Services Administration GSA Group Secure Association GSA Group Security Association GSAKMP Group Secure Association Key Management Protocol GSE Generalized Structure Element GSE Generic Stream Encapsulation GSER Generic String Encoding Rules GSI Global Source ID GSI Goverment Systems, Inc. GSI Government Systems, Inc. GSMP General Switch Management Protocol GSN Gigabyte System Network GSPD Group Security Policy Database GSPM Generic Secure Password Method GSS Generic Security Service GSTN Global Switched Telephone Network GTC Generic Token Card GTP GPRS Tunneling Protocol GTP GPRS Tunnelling Protocol GTP Generic Tunneling Protocol GTPK Group Traffic Protection Key GTS Gen. Traff. Shap. GTS Generic Traffic Shaping GTS Guaranteed Time Service GTSM Generalized TTL Security Mechanism GUA Graphical User Agent GUI graphical user interface GVL Generic Voucher Language GVRP GARP VLAN Registration Protocol GWM Group Workload Manager