| ADC | Availability Dependability and Capability |
| MIML | Availability Dependability and Capability |
| IDPS | Intrusion Detection and Prevention System |
| DES | Data Encryption Standard |
| 3DES | Triple Data Encryption Standard |
| AES | Advanced Encryption Standard |
| AHP | Analytic Hierarchy Process |
| KMO | Kaiser Meyer Olkin |
| VoIP | Voice over Internet Protocol |
| TOPSIS | Technique for Order Preference by Similarity to an Ideal Solution |
| LTE-R Long | Term Evolution-Railway |