Challenges for networks Geographic scope The Internet vs. Andrew, etc. Scale The Internet vs your home network Application types Email vs. Videoconferencing Trust and Administration Corporate network-one network"provider Internet-17,000 network providers Security erfeng Computer network-Introduction 7/87Introduct by Weifeng Sun Computer network-Introduction 7/87 Challenges for Networks • Geographic scope – The Internet vs. Andrew, etc. • Scale – The Internet vs. your home network • Application types – Email vs. Videoconferencing • Trust and Administration – Corporate network – one network “provider” – Internet – 17,000 network providers • Security