SMDS - Switched Multi-megabit Data Services (1)
SMDS service allows to interconnect LANs in a citywide area. It is full service, not just technology. SMDS exists for several years
Characteristics
- Fixed-size cell relay technology: cell size 53 Bytes
- A cell is called "SMDS SIP Layer 2 PDU"
- Packet size: up to 9,188 Bytes (split into 53 B cells)
- Switching technology
- Connection-less service (no wait for end-to-end connection)
- Error checking and flow control done by end-nodes.
- Transmission rates: 4, 10, 16, 25 and 34 Mbps
- Multicast addressing is supported
- LAN-to-LAN connection at high speeds and low delay