Mostly,
 ISP network infrastructure has three network layers, access network, 
distribution network and core network. ISP network infrastructure also 
need to connect their upstream service providers to exchange the 
internet traffics or transit the internet traffic to global internet 
routing. Without this, ISP can not provide the internet services to 
subscribers . 
Speaker
 will talk in detail about Access, Distribution and Core Network 
implementing in the most ISP in Cambodia and how they connect to 
upstream service providers. After you attend this workshop, you should 
understand Access Network, Distribution Network, Core Network and 
Cambodia ISP Upstream.