Cisco has pulled out of the IBM-led High Speed Token Ring (HSTR) alliance because it sees no future in the networking technology.
The announcement came as Cisco fleshed out its Enterprise 2000 initiative to enable different clients, such as Web browsers and terminal emulators, to access IBM mainframe data.
Betsy Huber, product line manager at Cisco's interworks business unit, said the company could not support an alliance that would not deliver combined Ethernet/Token Ring until the turn of the century.
According to an IDC survey commissioned by Cisco, 14 per cent of 50 European Token Ring customers questioned said they were "aggressively" looking to move to Ethernet, with a further 18 planning to shift "gradually". However, 18 per cent said they would expand Token Ring by adding ATM or switching devices.
Other members of the HSTR group include Xylan and Olicom.
Cisco is still developing products to support current Token Ring implementations. Among its latest products is the Catalyst 3900 ISL Uplink, which supports Token Ring, Ethernet and multiple virtual Lans on the same connection. It is a high speed backbone protocol that will support Gigabit Ethernet and Token Ring within a few months.
Other products include the Catalyst 3930 Token Ring switch, which can act in place of a hub; plus Cisco Database Connection, which enables access to IBM DB2 databases from end users at IP workstations.
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