## Discussion Forum

Que. | Station A uses 32 byte packets to transmit messages to station B using sliding window protocol. The round trip delay between A and B is 40 milli seconds and the bottleneck bandwidth on the path between A and B is 64 kbps. The optimal window size of A is |

a. | 20 |

b. | 10 |

c. | 30 |

d. | 40 |

Answer:10 |