Network service model Q: What service mode/ for " channel transporting datagrams from sender to receiver example services for example services for individual a flow of datagrams. datagrams: quaranteed deliver . s in-order datagram .s guaranteed delivery deliver with less than 40 msec quaranteed minimum d bandwidth to flow .. restrictions on changes in inter- packet spacing Network Layer 4-8Network Layer 4-8 Network service model Q: What service model for “channel” transporting datagrams from sender to receiver? example services for individual datagrams: ❖ guaranteed delivery ❖ guaranteed delivery with less than 40 msec delay example services for a flow of datagrams: ❖ in-order datagram delivery ❖ guaranteed minimum bandwidth to flow ❖ restrictions on changes in inter￾packet spacing