ALTERNATING BIT AND GO-BACK-N NETWORK EMULATOR:

Network properties:

- one way network delay averages five time units (longer if there

are other messages in the channel for GBN), but can be larger

- packets can be corrupted (either the header or the data portion)

or lost, according to user-defined probabilities

- packets will be delivered in the order in which they were sent

(although some can be lost).

- converted to Alt Bit-　ALTERNATING BIT AND GO-BACK-N NETWORK EMULATOR:　

　 Network properties:

　- one way network delay averages five time units (longer if there

　 are other messages in the channel for GBN), but can be larger

　- packets can be corrupted (either the header or the data portion)

　 or lost, according to user-defined probabilities

　- packets will be delivered in the order in which they were sent

　 (although some can be lost).

　　- fixed C style to adhere to current programming style

　　- converted to Alt Bit