Token Ring Switching and Routing - Bay Networks c. 1996

1. Ref# SC618-5/95 Rev 1.0 page 1
Bay Networks Token Ring
Switches and Routers
Partners in the IBM Environment

2. Ref# SC618-5/95 Rev 1.0 page 2
• Speed Switch—bandwidth and transport
– Optimized LAN performance
– Explorer broadcast reduction
– Configurable virtual rings
• Bay Networks routers—application
and routing services
– Connect users to SNA applications
– Update network topology
– Segment multiprotocol traffic according
to network layer address
Speed Switch and Bay Networks Routers—
IBM Environment LAN Backbone

3. Ref# SC618-5/95 Rev 1.0 page 3
APPN—Virtual Network Routing
for IBM Traffic
APPN Connection
Network
APPN
Network Node
Control Point
Router’s APPN Control Point instructs end stations to make
connections through the Speed Switch
Name Request Response
Explorer
Response

4. Ref# SC618-5/95 Rev 1.0 page 4
Speed Switch and Bay Networks Routers—
Remote Office Networking
• Bay Networks routers -- high-level SNA features extend
the enterprise network to remote offices
– DLSw for reliable connections across
the WAN
– APPN for native SNA routing
– Frame Relay for native host connection
– SDLC for existing SNA devices
• Bay Networks Symmetric Multiprocessing Architecture—
power for concentrating many remote sites
• Speed Switch—Token Ring bandwidth for workgroup and
campus backbone
DLSw, APPN,
SDLC, Frame Relay

5. Ref# SC618-5/95 Rev 1.0 page 5
Bay Networks Routers—
Extend the Speed Switch Across the WAN
DLSw, APPN,
Frame Relay

6. Ref# SC618-5/95 Rev 1.0 page 6