multicast over tcp/ip (Ⅰ)   2008-12-13 11:12:48

compared with web applications,you have-you had,until multicast came into scene-two options:toestablish a separate unicast connection with each of therecipients,or to use broadcast.The first solution is notaffordable:if we said that a single connection...

作者：sephiroth （viva , sephiroth） 标签：multicast tcp/ip network 订阅

multicast over tcp/ip (Ⅲ)   2008-12-13 11:19:16

Host Membership Report (also with TTL 1) to themulticast address of the group being reported.As it is sent to thegroup,all hosts that joined the group-and which are currentlywaiting for their own timer to expire-receive it,too.Then,theystop their...

作者：sephiroth （viva , sephiroth） 标签：multicast tcp/ip network 订阅

multicast over tcp/ip (Ⅱ)   2008-12-13 11:15:15

even having a multicast capable router,mrouted can be used to tell it what to do with the datagrams (noteI said what,and not how;mrouted says"forward this to the networkconnected to that interface",but actual forwarding is performed bythe kernel...

作者：sephiroth （viva , sephiroth） 标签：multicast tcp/ip network 订阅

multicast over tcp/ip (Ⅳ)   2008-12-13 11:21:00

all types ofmulticast applications.If transport protocols are complex and difficult to tune,imagine dealing with delays (in multimedia conferences),data loss,ordering,retransmissions,flow and congestion control,groupmanagement,etc,when the receiver...

作者：sephiroth （viva , sephiroth） 标签：multicast tcp/ip network 订阅

交换机上对流量的拦截   2008-11-09 00:00:00

level70'multicast还可以是unicast或broadcast，70代表的是百分比而不是带宽。注重：风暴控制仅支持在物理端口下使用；它不支持以太通道下使用，尽管命令能敲进去。再来看下下面的例子：interface multicast level 70 50第一个70是block的门限，50是指如果降到50以下则不再...

作者：HunkZhang （HunkZhang） 标签：storm-control multicast unicast broadcast block it 订阅

组播 （补充）   2008-11-02 21:10:58

若只在sparse模式下要在所有路由器上将224.0.1.39和224.0.1.40加入多播组：ippim autorplistener，在sparse-dense模式下不需要。在这里要注意sparse模式和sparse-dense模式的区别，其实个人建议用sparse-dense模式还是比较简单些的，Cisco也建议使用这种模式，不过有的时候...

作者：HunkZhang （HunkZhang） 标签：multicast ip pim autorp listener bsr it 订阅

组播 multicast   2008-10-31 12:02:37

打字不易，转载请注明出处！学习总结，雷同请多多包涵！学识有限，出错请给予指正！By HunkZhang组播multicast1.基本概念组播可以有效的节省带宽，降低服务器负荷，当给10000个用户发送相同的流量时，使用单播就需要发送1000份拷贝，但如果以组播发送时，只需向特定的组播...

作者：HunkZhang （HunkZhang） 标签：组播 multicast igmp cgmp snopping rpf it 订阅

Multicast Addresses(RFC 2373)   2008-10-05 10:13:20

group identified by the non-permanent,site-local multicast address FF15:0:0:0:0:0:0:101 at one site bears no relationship to a group using the same address at a different site,nor to a non-permanent group using the same group ID with different scope...

作者：海盗式头像 （海盗式头像的博客） 标签：multicast address 多播 rfc rfc2373 it 订阅

BSR and RP's election in PIM   2008-05-02 12:32:35

一、RP-CANDIDATE首先说一个特例，RP-CANDIDATE，我们通常会用下面的命令设置ip pim rp-candidate lo0 group-list 22 priority (0-255)注意最后的优先级，范围从0-255，多台设备竞选RP-CANDIDATE时，会取较小者为主如优先级相同，再比LOO0BACK接口IP地址，较大者优总结...

作者：Jackson （Cisco Docu（屎壳Ｑ岛）） 标签：bsr rp priority pim multicast jackson ciscodocu 屎壳q岛 it 订阅

Using NIC-based Multicast Scheme to Improve For...   2007-09-08 20:28:03

based multicast scheme can be used in ALM to improve the...

作者：西北小江南 （西北小江南的博客） 标签：application layer multicast forwarding rate nic-based scheme 订阅