Fixed Filter Style Distinct reservation for each sender Explicit list of senders ◆FF(S1QS2{02}…) ◆ Video distribution 16
16 Fixed Filter Style Distinct reservation for each sender Explicit list of senders FF(S1{Q!}, S2{Q2},…) Video distribution
Shared Explicit Style o Single reservation shared among specific list of senders ◆SE(s1S2,S3,…{Q}) Multicast applications with multiple data sources but unlikely to transmit simultaneously
17 Shared Explicit Style Single reservation shared among specific list of senders SE(S1, S2, S3, …{Q}) Multicast applications with multiple data sources but unlikely to transmit simultaneously
Reservation Style Examples Router RI R2 S2.S3一 (a) Router configuration Send serve Receive Send Receive WF4B1)←(w)4()←WE叫4B}) FR SI))+(wSI 4B V> FRSI+B, S215B 1 WF1)←(x)3(2) -WR") FR( S2ISB1, S3(B1)-(x)/SII BI FR 1, S31B1) WR") FRSIIB)) (b)Wildcard- filter reservation ex ample (d)Fixed- filter reservation example Send rEserve Receive en rEserve Receive WF4B}(w4(y)←WB“4B) SE( SI 3B))+(w)in()SE((SI, S2)IB)) w12)(面←w)别)+o SE1,S3){3B}) SE(S212B}) (c)wildcard-filter reservation ex ample- partial routing (e) Shared-explicit reservation example
18 Reservation Style Examples
71.4 RSVP Protocol mechanisms ◆ Two message types Resv Originate at multicast group receivers ● Propagate upstream Merged and packet when appropriate ◆ Create soft states Reach sender Allow host to set up traffic control for first hop Path Provide upstream routing information Issued by sending hosts Transmitted through distribution tree to all destinations 19
19 7.1.4 RSVP Protocol Mechanisms Two message types ◼ Resv Originate at multicast group receivers Propagate upstream Merged and packet when appropriate Create soft states Reach sender ◼ Allow host to set up traffic control for first hop ◼ Path Provide upstream routing information Issued by sending hosts Transmitted through distribution tree to all destinations
RSVP Host model endet 2. Resv 1. Path 3. Rest 3. Data Router Internetwork 2 Path Router 1. IGMP Join 4. Data
20 RSVP Host Model