Network Criteria

Network Criteria

™   Performance Performance can be measured in many ways including Transit and Response Time o    Depends on a no. of Factors:    Number of USERS    Type of Transmission Medium    Hardware    Software    Network Criteria    Number of USERS    Large Number of concurrent users slow network    Design of a network    Peak Load Periods    Network Criteria    Type of Transmission Medium    Medium defines speed at which data can travel    Fiber Optic Cable    100Mbps and 10 Mbps    Hardware    Software    Hardware    Effect speed and the capacity of transmission    Fast computer with large storage capacity    Software    Network Criteria                     Software                                     Software    processes    data    at    sender    ,                                                   receiver and intermediate nodes                                    All communication steps need software:                                   Moving message from node to node                                   Transforming,  Processing at the sender and receiver                                   Error Free Delivery Well designed software can speed up the process ™   Reliability o    Depends on a no. of Factors:    Frequency of Failure    Recovery Time of a Network after Failure   Catastrophe    Fire , Earthquake or Theft ™   Security o    Unauthorized Access   Sensitive data   Protection at multiple levels:   Lower level: Passwords and user ID codes   Upper Level: Encryption o    Viruses