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datagram
veri birimi
Letzte Aktualisierung: 2006-09-06
Nutzungshäufigkeit: 1
Qualität:
for reliability and performance reasons, the tcp implementation itself decides the appropriate octet boundaries of the underlying datagram communication layer.
returns a valid socket descriptor on success, or a negative error code on failure.
in theory, under ipv4, time to live is measured in seconds, although every host that passes the datagram must reduce the ttl by at least one unit.
teorik olarak, ipv4 datagram da geçen her host en az bir birim ttl azaltmasına rağmen,time to live, saniye olarak ölçülür.uygulamada, ttl alanı her hopta bir azalır.
if the ttl field reaches zero before the datagram arrives at its destination, then the datagram is discarded and an icmp error datagram (11 - time exceeded) is sent back to the sender.
datagram hedefine ulaşmadan önce ttl alanı sıfıra ulaşırsa, datagram düşürülür ve bir icmp hata veri birimi ( 11 - zaman aşıldı ) gönderene geri gönderilir.