New Stacked Wideband DDS at Hamilton


27 May 1997

Today a new stacked wideband DDS service at Waikato University, Hamilton was commissioned for KCCS. A new 2meg E1 link was installed on the 22 May and in preparation for the SWDDS a Cisco 3620 router with Channelised E1 interface was purchased to manage the new SWDDS.

This now means that KC's link to the University is stacked wideband at each end of the circuit (Auckland and Hamilton) and bandwidth increases are now easily managed without the need to visit eaither site.
Three DDS that connected to KCCS in Auckland have now been moved to the SWDDS at Hamilton. These are a wideband DDS to Napier and two 64K DDS to Tauranga.

This also releases five timeslots in KC's Auckland SWDDS which was already at maximum capacity. These will provide additional resources until a newly ordered SWDDS for Auckland is installed.

A dual ethernet interface for the 3620 will allow the existing Cisco 2514 to be replaced (this has two ethernet interfaces, one connecting to NZIX and the other to a LAN for PC routers that connect to Radio links in Hamilton)
Cisco 3620

This SWDDS installation is now completed over eighteen months after KC originally tried to have Telecom NZ install an SWDDS in Hamilton. Although Telecom promised new SWDDS at Auckland and Hamilton for KC with installation dates of 20 December 1995 and 20 January 1996, only the Auckland circuit was installed. For the next four months and continued postponments Telcom finally broke their promise and left KC with only one SWDDS installed, the investment in Cisco 4500 routers for these circuits was a crippling expense at that time.
KC had some ten business customers waiting on connections to this SWDDS at Hamilton, two had agreed to temporarily install 48K MDDS until the 64K SWDDS channels became available. These two eventually became annoyed enough with Telecom to move to WaveLan radio connections.
Of the other eight businesses at least three are now internet connected, one uses a radio connection and the other two use Clear Net services.


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Last modified: 26 May 1997.