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Livid
V2EX  ›  程序员

关于 kbps 这个单位

  •  
  •   Livid · 2013-04-25 00:20:14 +08:00 · 3779 次点击
    这是一个创建于 4235 天前的主题,其中的信息可能已经有所发展或是发生改变。
    在用于衡量网络带宽时,是指 1000 还是 1024 呢?是否有这方面的权威国际标准?
    10 条回复    1970-01-01 08:00:00 +08:00
    tension
        1
    tension  
       2013-04-25 00:25:18 +08:00
    看心情了,
    seerhut
        2
    seerhut  
       2013-04-25 00:25:20 +08:00   ❤️ 1
    1000
    013231
        3
    013231  
       2013-04-25 00:25:33 +08:00   ❤️ 1
    維基百科上有解釋:
    http://en.wikipedia.org/wiki/Data_rate_units#Kilobit_per_second

    Kilobit per second
    A kilobit per second (kbit/s or kb/s) is a unit of data transfer rate equal to:
    1,000 bits per second or
    125 bytes per second.

    Kibibit per second
    A kibibit per second (Kibit/s or Kib/s) is a unit of data transfer rate equal to:
    1,024 bits per second.
    molinxx
        4
    molinxx  
       2013-04-25 00:25:51 +08:00   ❤️ 1
    http://en.wikipedia.org/wiki/Data_rate_units#Kilobit_per_second

    Kilobit per second
    A kilobit per second (kbit/s or kb/s) is a unit of data transfer rate equal to:
    1,000 bits per second or
    125 bytes per second.
    [edit]Megabit per second
    A megabit per second (Mbit/s or Mb/s; not to be confused with mbit/s which means millibit per second, or with Mbitps which means megabit picosecond) is a unit of data transfer rate equal to:
    1,000,000 bits per second or
    1,000 kilobits per second or
    125,000 bytes per second or
    125 kilobytes per second.
    [edit]Gigabit per second
    A gigabit per second (Gbit/s, or Gb/s) is a unit of data transfer rate equal to:
    1,000 megabits per second or
    1,000,000 kilobits per second or
    1,000,000,000 bits per second or
    125,000,000 bytes per second.
    [edit]Terabit per second
    A tera per second (Tbit/s, or Tb/s) is a unit of data transfer rate equal to:
    1,000 gigabits per second or
    1,000,000 megabits per second or
    1,000,000,000 kilobits per second or
    1,000,000,000,000 bits per second or
    125,000,000,000 bytes per second.
    Livid
        5
    Livid  
    MOD
    OP
       2013-04-25 00:47:01 +08:00
    @molinxx
    @013231
    @seerhut

    多谢大家。
    liwei
        6
    liwei  
       2013-04-25 21:23:34 +08:00
    有两种单位,一个是SI,一个是IEC。
    est
        7
    est  
       2013-04-25 21:24:44 +08:00
    @Livid 用 KiB/s 这个单位吧。
    mashihua
        8
    mashihua  
       2013-04-26 13:30:43 +08:00
    @Livid "/web/member.py", line 91, in get
    IndexError: list index out of range
    qiuai
        9
    qiuai  
       2013-04-26 13:55:19 +08:00
    习惯1000了..
    JackyHua
        10
    JackyHua  
       2013-04-26 17:43:09 +08:00
    1000
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