The Lanka Education And Research Network is the NREN (National Research and Education Network) of Sri Lanka, which interconnects Educational and Research institutions across the country, and provide network related services to them. A National Research and Education Network (NREN) is usually a specialized Internet Service Provider dedicated to supporting the needs of the research and education communities within a country and it is distinguished by support for a high-speed backbone network, often offering dedicated channels for individual research projects. We currently interconnect all of the UGC funded state universities, a number of public universities under other ministries, the University Grants Commission, the Ministry of Higher Education, and a number of national research institutions including the National Science Foundation (NSF). Our network is an advanced network supporting IPv6 and multicast. It currently includes optical fiber links ranging from 500Mbps to 5Mbps to most campuses. At present our international connectivity include a 7Gbps bandwidth to the commodity Internet and a 2.5Gbps link to Singapore that connects the academic/research Internet through the TEIN4 network, SingAREN, Intenet2 and Google.