To implement different 10GbE physical layer standards, many interfaces consist of a standard socket into which different physical (PHY) layer modules may be plugged. PHY modules are not specified in an official standards body but by (MSAs) that can be negotiated more quickly. Relevant MSAs for 10GbE include (and related X2 and XPAK), and. When choosing a PHY.
[pdf] Telecommunications in Estonia describes the infrastructure, market, and regulatory environment for telecommunication services in the country. Since regaining independence in 1991, Estonia has developed from a poorly connected into one of the world's most advanced digital nations.
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