The de facto standard application program interface （API）for TCP/IP applications is the "sockets" interface. Although this API was developed for （1）in the early 1980s. it has also been implemented on a wide variety of non-Unix systems. TCP/IP（2） written using the sockets API have in the past enjoyed a high degree of portability and we would like the same（3） with IPv6 applications. But changes are required to the sockets API to support IPv6 and this memo describes these changes. These include a new socket address structure to carry IPv6 （4）, new address conversion functions, and some new socket options. These extensions are designed to provide Access to the basic IPv6 features required by TCP and UDP applications, including multicasting, while introducing a minimum of change into the system and providing complete （5）for existing IPv4 applications.
（5）是（）The de facto standard application program interface (API) for TCP/IP applications is the "sockets" interface. Although this API was developed for ___71___ in the early 1980s. it has also been implemented on a wide variety of non-Unix systems. TCP/IP ___72___ written using the sockets API have in the past enjoyed a high degree of portability and we would like the same ___73___ with IPv6 applications. But changes are required to the sockets API to support IPv6 and this memo describes thesechanges. These include a new socket address structure to carry IPv6 ___74___. new address conversion functions, and some new socket options. These extensions are designed to provide Access tothe basic IPv6 features required by TCP and UDP applications, including multicasting, while introducing a minimum of change into the system and providing complete ___75___ for existing IPv4 applications.
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The World Health Organization says lifestyle factors are at the root of the non-communicable disease crisis, which is responsible for millions of premature deaths every year. WHO is calling for global action to combat this epidemic.
The World Health Organization breaks a common misperception. It says non-communicable diseases or NCDs do not mainly afflict affluent people. On the contrary, it says 80 percent of all NCDs occur in lowand middle-income countries.
WHO says non-communicable diseases are preventable. It reports up to 80 percent of heart disease, stroke, and type 2 diabetes and more than one-third of cancers could be prevented by eliminating the major risk factors. These include tobacco use, unhealthy diet, physical inactivity and the harmful use of alcohol.
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