metric
一.
歌手：Metric——公制乐队
语种：英语
地区：加拿大
流派：另类摇滚/Alternative Rock 独立摇滚/Indie Rock
唱片公司：Last Gang Records
在SLSK里意外发现的真实存在的那支地下乐队Metric2005最新的专辑《Live it out》。据说乐队是由多伦多艺术大学学生Emily Haines（女主唱）与拥有茱莉亚音乐学院古典音乐背景的James Shaw所领军的摇滚组合，归类为朋克摇滚。我自然不清楚音乐的具体流派，只觉得非常喜欢。有股年轻女子才有的暴发力，却带着一股执着的天真劲。而声音也出奇的甜美。在清洁里她在舞台上的发型和自在表演更是让我倍增好感。
Metric是来自加拿大多伦多的独立摇滚乐队,由Emily Haines,James Shaw,Josh Winstead,Joules Scott四人组成.
女主唱Emily Haines与吉他手James Shaw同时也是加拿大19人乐队Broken Social Scene的成员.
Metric的专辑：
（1）
专集：《Live It Out》
歌手：Metric
歌曲：10 首
语种：英语
流派：另类摇滚/Alternative Rock 独立摇滚/Indie Rock
发行时间：2005年10月4日
发行公司：Last Gang Records
收录时间：2005-10-14
（2）
专辑：《Grow Up And Blow Away 》
歌手：Metric
语言：英文
风格：另类摇滚/Alternative Rock 独立摇滚/Indie Rock
唱片公司：Last Gang
发行日期：2007-06-26
Metric is a Canadian New Wave/indie rock band. Originally formed in 1998 in New York City, they are currently based in Toronto, Ontario.The band consists of vocalist Emily Haines (who also plays the Synthesizer), guitarist James Shaw, bassist Josh Winstead and drummer Joules Scott-Key. Their first full-length album, Old World Underground, Where Are You Now?, was released in 2003. Their newest album, Live It Out, was released on October 4, 2005 and was nominated for the 2006 Polaris Music Prize for the Canadian Album of The Year as well as earning the Juno Award nomination for Best Alternative Album.Haines and Shaw also perform with Broken Social Scene, and Haines has been a guest on albums by Stars, KC Accidental, Delerium, The Stills, and Jason Collett. Scott-Key and Winstead have their own side project, Bang Lime, and Haines has released a solo album under the name Emily Haines and the Soft Skeleton.Their songs "Monster Hospital" and "Police and the Private" have been used on the television show Grey's Anatomy. "Monster Hospital" has also been used in CSI: Miami.
Metric’s latest album is actually their oldest, though you wouldn’t know it. Grow Up and Blow Away was previously unreleased until now, but this album is just as strong, if a little overly ambitious, than what would follow. Metric couldn’t find a label to release Grow Up and Blow Away, but they soldiered on and hit the radios (in Canada anyway) almost four years later with “Combat Baby”, which sparked so much attention that their album, Old World Underground, Where Are You Now? landed on many critics’ lists as the best of 2003. They seemed so great, where did these quirky Canadians come from anyway? Just like many so-called overnight successes, Metric had been building up to their breakthrough album for years. Focusing now on their newest release, by focusing on the past, Grow Up and Blow Away reveals that even at its inception, Metric was still a great band. This is a great album for the fans, full of interesting experiments and diverse sounds that are both very close to the Metric heard later, and also wildly different. In fact, wild enough that they reminded me at times of another deceptively soft Canadian group from the 90s, the Wild
参考资料：《国外音乐势力》
http://yaerdi.bokee.com/viewdiary.11329287.html
二.
路由术语，译为度，指在路由选择协议算法完成计算后得到的一个变量值，如网络延迟，它的目的是确定最佳路由。
metric是路由算法用以确定到达目的地的最佳路径的计量标准，如路径长度。
常用的metric
路由算法使用了许多不同的metric以确定最佳路径。复杂的路由算法可以基于多个metric选择路由，并把它们结合成一个复合的metric。常用的metric如下：
路径长度：
路径长度是最常用的路由metric。一些路由协议允许网管给每个网络链接人工赋以代价值，这种情况下，路由长度是所经过各个链接的代价总和。其它路由协议定义了跳数，即分组在从源到目的的路途中必须经过的网络产品，如路由器的个数。
可靠性：
可靠性，在路由算法中指网络链接的可依赖性（通常以位误率描述），有些网络链接可能比其它的失效更多，网路失效后，一些网络链接可能比其它的更易或更快修复。任何可靠性因素都可以在给可靠率赋值时计算在内，通常是由网管给网络链接赋以metric值。
延迟：
路由延迟指分组从源通过网络到达目的所花时间。很多因素影响到延迟，包括中间的网络链接的带宽、经过的每个路由器的端口队列、所有中间网络链接的拥塞程度以及物理距离。因为延迟是多个重要变量的混合体，它是个比较常用且有效的metric。
带宽：
带宽指链接可用的流通容量。在其它所有条件都相等时，10Mbps的以太网链接比64kbps的专线更可取。虽然带宽是链接可获得的最大吞吐量，但是通过具有较大带宽的链接做路由不一定比经过较慢链接路由更好。例如，如果一条快速链路很忙，分组到达目的所花时间可能要更长。
负载：
负载指网络资源，如路由器的繁忙程度。负载可以用很多方面计算，包括CPU使用情况和每秒处理分组数。持续地监视这些参数本身也是很耗费资源的。
通信代价：
通信代价是另一种重要的metric，尤其是有一些公司可能关系运作费用甚于性能。即使线路延迟可能较长，他们也宁愿通过自己的线路发送数据而不采用昂贵的公用线路。