New Internet Generation - Architecture of Internet

New Internet Generation

Subject Architecture of Internet lecture 9

Lecture number 9 was about Architecture of Internet and mainly about the Network organization of the architecture of Internet. IANA activities are Internet assigned numbers authority. The activities of IANA are mainly the functions of domain names, number resources and protocol assignments. Furthermore the registration of regional, national, and local Internet registry can be defined as IANA activities. Domain names always have a country code and generic top-level domain. Large companies governmental institutions and universities are assigned to large “blogs” of addresses.

Further discussed are AS relationships, which include transit, peer and customer. Further discussed by the lecture was the Hierarchical organization that included Tier 1, Tier 2 and Tier 3.

Network architecture is a set of high-level design principles that guides the technical design of the network. Examples of those principles are IP, TCP and BGP. The main difference between TCP and BGP is that by TCP all traffic must be for short distances and BGP a network were today’s network stability depends on.

The main problems of today’s internet are security that prevents the internet from viruses worms spam an other threats on the internet, Fragility and Reliability.