Network Architecture
 Network Topology
                  Internet

What is Internet?
Internet is the largest and most well-known computer network, linking millions of computers all over the world.



                                                                                                         
                            
Internet
 Intranet
 Extranet



Accessible to every user all over the world/
public internet user.
 Accessible only to authorized company
employees ONLY.
 Accessible only to company's employees and
outside authorized partner(customer,suppliers).
Provide information for public.
 Provide information for organization
employees.
 Provide information to supplier, customer
and business partner.
Security control is lower.
 Security control are higher.
 Security control are high.
Unlimited, public; no restrictions.
 Private and restricted.
 Private and outside authorized partners.
General, public and advertisement.
 specific, corporate and proprietary.
 Shared in authorized collaborating group.