HSTR seminar
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Madge Networks HSTR seminar
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HSTR seminar
- 1. Madge Perspective Blueprint for Token Ring in the 21st Century
- 3. Communications Revolution Transaction Processing Client-Server Applications Intranets & Web-based Communications Multimedia Communications Ubiquitous Email Office Automation Network Demands 1970 1980 1990 2000
- 4. Network Impact of Changes Smaller shared segments Shared 10Mbps Switched 10Mbps in backbone 100Mbps in backbone Switched 10Mbps to desktop 1Gbps in backbone Switched 100Mbps Ethernet Major technology change every 2 years Users forced to upgrade every time Big frames 802.1p/q
- 5. Token Ring Meeting the Challenge Token Ring Token Ring has consistently kept pace with changing application demands Shared 4Mbps Shared 16Mbps Switched 16Mbps in backbone Incremental next step... Smaller shared segments Shared 10Mbps Switched 10Mbps in backbone 100Mbps in backbone Switched 10Mbps to desktop 1Gbps in backbone Switched 100Mbps Big frames 802.1p/q
- 7. Scalability in the Backbone Today’s Alternatives FDDI Fast Ethernet ATM Fault Tolerance Scalability Compatibility Simplicity Performance Ethernet Co-existence Cost High Speed Token Ring
- 11. Scaling Token Ring Performance 100Mbps HSTR server connections Micro-segmentation of existing workgroups with Ringswitch Express Workgroup switch providing 32Mbps to each desktop Ringswitch Plus in central backbone 100Mbps HSTR switch connections Server farm built around GroupSwitch module
- 13. Changing Networked Applications IP broadcast mgt services IP switching services Real-time network services Standard data applications New video, voice & real-time data applications Client-server, email, office automation,... Web browser applications Voice Video Real-time data IP data service Real-time IP (RTP, RSVP) Network support services
- 14. Broadcast Management Services Port 1 Port 2 Port 3 Port 4 Layer 2 switching engine (SR, T, SRT+) NetBIOS, 3270, SNA, IP, IPX,... Ringswitch Switching Engine Active Broadcast Control (ABC) engine ABC is available now on all members of the Ringswitch family
- 15. Multilayer Switching on Ringswitch Plus Port 1 Port 2 Port 3 Port 4 Layer 2 switching engine (SR, T, SRT+) Layer 3 switching engine (IP between subnets) NetBIOS, 3270, SNA, IP, IPX,... IP between subnets Ringswitch Switching Engine Active Broadcast Control (ABC) engine MLS Module for Ringswitch Plus in 1H99
- 18. Network Integration with HSTR & IEEE 802.1q HSTR & 802.1q used to carry Ethernet frames on backbone Additional 802.1q drivers required in server Fast Ethernet Interface on Smart Ringswitch Plus
- 20. www.madge.com
Notas do Editor
- This presentation may be used internally and externally to provide an overview of Madge Perspective and Madge’s strategy for the future of Token Ring.
- This re-emphasises the main reasons why organizations chose Token Ring back in the early days of networking. Corporations rejected Ethernet and instead chose Token Ring for the five key reasons shown on the slide, namely: * Token Ring’s in-built resilience and robustness - important for mission critical Token Ring networks. E.g. in a banking environment, if the network goes down and the bank is unable to process cheques then the performance of the business may be seriously impacted. * Token Ring’s superior manageability - important in large corporate networks with many thousands of users dispersed across a large area. * Companies like the performance of Token Ring - it scales extremely well as traffic loads increase allowing business critical applications to continue operating even under very heavy loads (c.f. Ethernet which can only scale to around 40-50% of the available bandwidth) * Compatibility with existing, SNA-based business applications * Future proof & investment protection - very important in large Token Ring networks where the investment in installed network equipment is very high
- This re-emphasises the main reasons why organizations chose Token Ring back in the early days of networking. Corporations rejected Ethernet and instead chose Token Ring for the five key reasons shown on the slide, namely: * Token Ring’s in-built resilience and robustness - important for mission critical Token Ring networks. E.g. in a banking environment, if the network goes down and the bank is unable to process cheques then the performance of the business may be seriously impacted. * Token Ring’s superior manageability - important in large corporate networks with many thousands of users dispersed across a large area. * Companies like the performance of Token Ring - it scales extremely well as traffic loads increase allowing business critical applications to continue operating even under very heavy loads (c.f. Ethernet which can only scale to around 40-50% of the available bandwidth) * Compatibility with existing, SNA-based business applications * Future proof & investment protection - very important in large Token Ring networks where the investment in installed network equipment is very high
- This re-emphasises the main reasons why organizations chose Token Ring back in the early days of networking. Corporations rejected Ethernet and instead chose Token Ring for the five key reasons shown on the slide, namely: * Token Ring’s in-built resilience and robustness - important for mission critical Token Ring networks. E.g. in a banking environment, if the network goes down and the bank is unable to process cheques then the performance of the business may be seriously impacted. * Token Ring’s superior manageability - important in large corporate networks with many thousands of users dispersed across a large area. * Companies like the performance of Token Ring - it scales extremely well as traffic loads increase allowing business critical applications to continue operating even under very heavy loads (c.f. Ethernet which can only scale to around 40-50% of the available bandwidth) * Compatibility with existing, SNA-based business applications * Future proof & investment protection - very important in large Token Ring networks where the investment in installed network equipment is very high
- This re-emphasises the main reasons why organizations chose Token Ring back in the early days of networking. Corporations rejected Ethernet and instead chose Token Ring for the five key reasons shown on the slide, namely: * Token Ring’s in-built resilience and robustness - important for mission critical Token Ring networks. E.g. in a banking environment, if the network goes down and the bank is unable to process cheques then the performance of the business may be seriously impacted. * Token Ring’s superior manageability - important in large corporate networks with many thousands of users dispersed across a large area. * Companies like the performance of Token Ring - it scales extremely well as traffic loads increase allowing business critical applications to continue operating even under very heavy loads (c.f. Ethernet which can only scale to around 40-50% of the available bandwidth) * Compatibility with existing, SNA-based business applications * Future proof & investment protection - very important in large Token Ring networks where the investment in installed network equipment is very high
- This re-emphasises the main reasons why organizations chose Token Ring back in the early days of networking. Corporations rejected Ethernet and instead chose Token Ring for the five key reasons shown on the slide, namely: * Token Ring’s in-built resilience and robustness - important for mission critical Token Ring networks. E.g. in a banking environment, if the network goes down and the bank is unable to process cheques then the performance of the business may be seriously impacted. * Token Ring’s superior manageability - important in large corporate networks with many thousands of users dispersed across a large area. * Companies like the performance of Token Ring - it scales extremely well as traffic loads increase allowing business critical applications to continue operating even under very heavy loads (c.f. Ethernet which can only scale to around 40-50% of the available bandwidth) * Compatibility with existing, SNA-based business applications * Future proof & investment protection - very important in large Token Ring networks where the investment in installed network equipment is very high
- This re-emphasises the main reasons why organizations chose Token Ring back in the early days of networking. Corporations rejected Ethernet and instead chose Token Ring for the five key reasons shown on the slide, namely: * Token Ring’s in-built resilience and robustness - important for mission critical Token Ring networks. E.g. in a banking environment, if the network goes down and the bank is unable to process cheques then the performance of the business may be seriously impacted. * Token Ring’s superior manageability - important in large corporate networks with many thousands of users dispersed across a large area. * Companies like the performance of Token Ring - it scales extremely well as traffic loads increase allowing business critical applications to continue operating even under very heavy loads (c.f. Ethernet which can only scale to around 40-50% of the available bandwidth) * Compatibility with existing, SNA-based business applications * Future proof & investment protection - very important in large Token Ring networks where the investment in installed network equipment is very high
- This re-emphasises the main reasons why organizations chose Token Ring back in the early days of networking. Corporations rejected Ethernet and instead chose Token Ring for the five key reasons shown on the slide, namely: * Token Ring’s in-built resilience and robustness - important for mission critical Token Ring networks. E.g. in a banking environment, if the network goes down and the bank is unable to process cheques then the performance of the business may be seriously impacted. * Token Ring’s superior manageability - important in large corporate networks with many thousands of users dispersed across a large area. * Companies like the performance of Token Ring - it scales extremely well as traffic loads increase allowing business critical applications to continue operating even under very heavy loads (c.f. Ethernet which can only scale to around 40-50% of the available bandwidth) * Compatibility with existing, SNA-based business applications * Future proof & investment protection - very important in large Token Ring networks where the investment in installed network equipment is very high
- This re-emphasises the main reasons why organizations chose Token Ring back in the early days of networking. Corporations rejected Ethernet and instead chose Token Ring for the five key reasons shown on the slide, namely: * Token Ring’s in-built resilience and robustness - important for mission critical Token Ring networks. E.g. in a banking environment, if the network goes down and the bank is unable to process cheques then the performance of the business may be seriously impacted. * Token Ring’s superior manageability - important in large corporate networks with many thousands of users dispersed across a large area. * Companies like the performance of Token Ring - it scales extremely well as traffic loads increase allowing business critical applications to continue operating even under very heavy loads (c.f. Ethernet which can only scale to around 40-50% of the available bandwidth) * Compatibility with existing, SNA-based business applications * Future proof & investment protection - very important in large Token Ring networks where the investment in installed network equipment is very high
- This re-emphasises the main reasons why organizations chose Token Ring back in the early days of networking. Corporations rejected Ethernet and instead chose Token Ring for the five key reasons shown on the slide, namely: * Token Ring’s in-built resilience and robustness - important for mission critical Token Ring networks. E.g. in a banking environment, if the network goes down and the bank is unable to process cheques then the performance of the business may be seriously impacted. * Token Ring’s superior manageability - important in large corporate networks with many thousands of users dispersed across a large area. * Companies like the performance of Token Ring - it scales extremely well as traffic loads increase allowing business critical applications to continue operating even under very heavy loads (c.f. Ethernet which can only scale to around 40-50% of the available bandwidth) * Compatibility with existing, SNA-based business applications * Future proof & investment protection - very important in large Token Ring networks where the investment in installed network equipment is very high
- This re-emphasises the main reasons why organizations chose Token Ring back in the early days of networking. Corporations rejected Ethernet and instead chose Token Ring for the five key reasons shown on the slide, namely: * Token Ring’s in-built resilience and robustness - important for mission critical Token Ring networks. E.g. in a banking environment, if the network goes down and the bank is unable to process cheques then the performance of the business may be seriously impacted. * Token Ring’s superior manageability - important in large corporate networks with many thousands of users dispersed across a large area. * Companies like the performance of Token Ring - it scales extremely well as traffic loads increase allowing business critical applications to continue operating even under very heavy loads (c.f. Ethernet which can only scale to around 40-50% of the available bandwidth) * Compatibility with existing, SNA-based business applications * Future proof & investment protection - very important in large Token Ring networks where the investment in installed network equipment is very high
- This re-emphasises the main reasons why organizations chose Token Ring back in the early days of networking. Corporations rejected Ethernet and instead chose Token Ring for the five key reasons shown on the slide, namely: * Token Ring’s in-built resilience and robustness - important for mission critical Token Ring networks. E.g. in a banking environment, if the network goes down and the bank is unable to process cheques then the performance of the business may be seriously impacted. * Token Ring’s superior manageability - important in large corporate networks with many thousands of users dispersed across a large area. * Companies like the performance of Token Ring - it scales extremely well as traffic loads increase allowing business critical applications to continue operating even under very heavy loads (c.f. Ethernet which can only scale to around 40-50% of the available bandwidth) * Compatibility with existing, SNA-based business applications * Future proof & investment protection - very important in large Token Ring networks where the investment in installed network equipment is very high
- This re-emphasises the main reasons why organizations chose Token Ring back in the early days of networking. Corporations rejected Ethernet and instead chose Token Ring for the five key reasons shown on the slide, namely: * Token Ring’s in-built resilience and robustness - important for mission critical Token Ring networks. E.g. in a banking environment, if the network goes down and the bank is unable to process cheques then the performance of the business may be seriously impacted. * Token Ring’s superior manageability - important in large corporate networks with many thousands of users dispersed across a large area. * Companies like the performance of Token Ring - it scales extremely well as traffic loads increase allowing business critical applications to continue operating even under very heavy loads (c.f. Ethernet which can only scale to around 40-50% of the available bandwidth) * Compatibility with existing, SNA-based business applications * Future proof & investment protection - very important in large Token Ring networks where the investment in installed network equipment is very high
- This re-emphasises the main reasons why organizations chose Token Ring back in the early days of networking. Corporations rejected Ethernet and instead chose Token Ring for the five key reasons shown on the slide, namely: * Token Ring’s in-built resilience and robustness - important for mission critical Token Ring networks. E.g. in a banking environment, if the network goes down and the bank is unable to process cheques then the performance of the business may be seriously impacted. * Token Ring’s superior manageability - important in large corporate networks with many thousands of users dispersed across a large area. * Companies like the performance of Token Ring - it scales extremely well as traffic loads increase allowing business critical applications to continue operating even under very heavy loads (c.f. Ethernet which can only scale to around 40-50% of the available bandwidth) * Compatibility with existing, SNA-based business applications * Future proof & investment protection - very important in large Token Ring networks where the investment in installed network equipment is very high
- This re-emphasises the main reasons why organizations chose Token Ring back in the early days of networking. Corporations rejected Ethernet and instead chose Token Ring for the five key reasons shown on the slide, namely: * Token Ring’s in-built resilience and robustness - important for mission critical Token Ring networks. E.g. in a banking environment, if the network goes down and the bank is unable to process cheques then the performance of the business may be seriously impacted. * Token Ring’s superior manageability - important in large corporate networks with many thousands of users dispersed across a large area. * Companies like the performance of Token Ring - it scales extremely well as traffic loads increase allowing business critical applications to continue operating even under very heavy loads (c.f. Ethernet which can only scale to around 40-50% of the available bandwidth) * Compatibility with existing, SNA-based business applications * Future proof & investment protection - very important in large Token Ring networks where the investment in installed network equipment is very high
- Token Ring is ready for multimedia applications. Multimedia on Ethernet will involve a new standard called 802.1q - this standard is not backwards compatible which means existing Ethernet networks will have to be completely upgrade e.g. new NICs, new hubs, new switches, … Why on Earth would anyone buy Ethernet???