[streaming] what happend when roaming

[Yong Chu Eu (Ñî×ÓÓÓ)]

i stream video (based on MH's home address,IPv6 Multicast Address and IPv4
Multicast address ) from my FreeBSd Multicast router to MH which cover by
my 2 access point. When i roam from my home network to another network,
the video stop for few second (i think around 4-5 second) then recover
soon, later i type to change to another subnet which have different essid,
the same thing happen. Anyone can explain tis? What happen inside? My
test-bed is compile with MIPL 1.1 (Mobile Ipv6).


                           

                          	
                      		       wlan0                 						
essid:homenetwork                          
            	                    channel: 1                               
       
                                         |                     				       
      	 	        br0                   			               	                
  192.168.1.2            	  	
                      		3ffe:80f0:ff03:1::2      		
                                         |                     	
               			       eth0 
                          Redhat Home Agent Access Point     	
                                        |  
                                     192.168.1.1
                                 3ffe:80f0:ff03:1::1
                                     fxp0(middle)
		             fe80::2d0:b7ff:fe49:13f1
                                        | 
                                        |
                  FreeBSD 4.10 Multicast Router (Vls Server 0.5.6)
                       |                                  |
                    vr0(up)           			rl0(down)
                   192.168.2.1        	  	     192.168.3.1
              3ffe:80f0:ff03:2::1                3ffe:80f0:ff03:3::1
                fe80::20d:88ff:fef9:dced	fe80::250:baff:fe5f:2eac
                       |                                  |
                       |                     	          |
               Redhat Access Point               Redhat Access Point
                     eth0 		     		 eth0
                       |                 		  |	
                      br0               		br0
                  192.168.2.3            	     192.168.3.3
                 3ffe:80f0:ff03:2::3      	3ffe:80f0:ff03:3::3
                       |                        	  |
                     wlan0              	       wlan0
                     essid:mipv6a                    essid:mipv6b
                     channel:1                         channel:1


                           ----
                          | MN |
                           ----   
                Notebook (VLC player 0.7.0)
               Linux Kernel 2.4.26 with MIPL 1.1
             (Dlink Wireless Card with acx100 driver)
            192.168.1.3 (Home address 3ffe:80d0:ff03:1::3)

             Multicast Groups Address will be ff6d:1:1:1::222



=====
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