VPLS is becoming a popular networking option. Its inherent Ethernet any-to-any connectivity model makes VPLS a popular choice for enterprises adding or deleting sites. Existing Ethernet users may have a simple implementation by modifying existing Ethernet equipment, which will also scale easily to meet future bandwidth needs.
HIV is an abbreviation for Human Immunodeficiency Virus. There are two main forms of HIV: HIV-1 and HIV-2. HIV-1 was discovered by Luc Montagnier and his associates at the Institute Pasteur in Paris in 1983.ince its discovery in 1983, no new modes of transmission of HIV have been discovered. HIV cannot be transmitted by touch, by insect vectors, or across fomites. Currently, blood supplies are screened for hepatitis, HIV, and other infections.
Researchers trace first HIV case to 1959 in the Belgian Congo. February 3, 1998. Web posted at: 7:41 p.m. EST (0041 GMT) CHICAGO (CNN) -- HIV probably originated in the late 1940s or early 1950s, and showed up in people 10 to 20 years earlier than has previously been estimated, researchers said Tuesday.