News

Westermo Teleindustri AB acquires OnTime Networks

 

      June 13th, 2005

     www.westermo.com

Westermo, the market leading industrial data communication company with representatives in over 30 countries, has acquired the majority of the Swedish-Norwegian company, OnTime Networks.  The head quarter of OnTime Networks is located in Oslo, Norway.

OnTime Networks was founded in 2000 and the company is already established as the technology leader in the industrial Ethernet market with a wide and high quality range of industrial Ethernet products. 

-      “The acquisition of OnTime is a move of great strategic importance to Westermo. There is already a well-established co-operation between the two Companies. Westermo has been the major distribution channel for OnTime from the early days of the company”, says Thomas Andersson the General Manager of the Westermo group.

-       “Westermo is the perfect partner for us”, says Øyvind Holmeide the General Manager and founder of OnTime Network. “Westermo is a well-established company in many countries and has a mature marketing structure”

The merge of the two Companies means that the Westermo group has a wider range of industrial data communication products, ranging from serial converters to Ethernet switches with integrated time servers.

Ethernet is the fastest growing sector of the industrial data communication market with many competing companies from Europe, USA and Asia.

“Westermo has a very long history and a well-known name in the industrial data communications market, the Westermo brand and the OnTime technology will strengthen our position in this market and we are convinced that we will dramatically increase our sales in the industrial Ethernet sector” says Thomas Andersson.

 

March 30th 2005
Maritime DnV type approval
Switches from the 200-series and the Lynx series are approved by DnV for use in Maritime environment. The type approval is similar to those of Germanische Lloyd and American Bureau of Shipping

 

Type certificate can be downloaded from our approvals page


 

February 8th 2005
ABB Industrial It approval

 
ABB engineers all over the world can now find OnTime Industrial switches listed as approved for ABB use in their own intranet. Certification has been done by an official certification center and is approved by the official steering body.

The products have been tested and certified by ABB Group as Industrial IT Enabled™  - Connectivity Level.  All product information is supplied in consistent electronic format, based on ABB Aspect Object™ technology.  Plug and Produce™ installation and integration with other Industrial IT certified products is available through the ABB Aspect Integrator™ Platform.

ABB employees can find the necessary information by clicking the logo above.

For more info, please mail to: contact@ontimenet.com


 

 

 

16 November 2004
Lynx industrial Ethernet switch series:
when price, size, management and quality means everything.

Read more...


10 October 2004
Security


Security in industrial Ethernet networks is getting more and more important. Unfriendly attacks, but also "friendly fire" are handled by the OnTime managed switches.

CPU based MAC learning is used instead of switch core MAC learning. This means that the CPU will maintain both the MAC and the VLAN tables of the switch. A packet with a new source MAC address and VLAN id combination received on a given port will not be learned and packets with this source MAC address and VLAN id combination will not be forwarded if this combination is illegal. This means that FRNT attacks on non-trunk ports is not possible making FRNT immune for any FRNT attacks (i.e. false FRNT packets).

The switch will start to flood unicast packets when the number of
learned MAC addresses on a switch exceeds the MAC table size of the switch. This unicast flooding can be utilized by a non-authorized user. Programs for frequent generation of new MAC source addresses exist and are used by hackers in order to perform such MAC attacks. MAC attack prevention is implemented on the T/R200 switches. MAC attack prevention means that new MAC addresses on a given port will not be learned if the number of the MAC addresses learned on the port exceeds a pre-defined threshold. The threshold for a trunk port is much higher than for a non-trunk port. This MAC attack prevention implementation will guarantee that the number of learned MAC addresses never exceeds the MAC table size (8192 entries) of a T/R200 switch.

Avoiding unwanted loops that will introduce broadcast storm is required for ports that are not enabled for FRNT. The R/T200 switches support broadcast storm prevention. Both ports will be put in standby state if this situation occurs.
 


10 October 2004
VLAN

OnTime VLAN implementation: a solution that is really working.

Virtual LAN (VLAN) is a great idea, but very few Ethernet nodes supports the IEEE802.1Q protocol (i.e. GVRP protocol). Overlapping port based VLANs with simple configuration is supported by OnTime. This figure shows an example of three overlapping VLAN (red, blue and green VLANs).

 


30.09.2004
IEEE1588 Grand master


The IEEE1588 Grand master and SNTP/NTP server timing accuracy of the T200 switch from OnTime is significantly improved. Accuracy is now better than 20ns!

Better techniques for local clock handling and jitter in the PHY chip have resulted in an improved accuracy for both the IEEE1588 Grand master and SNTP/NTP server implementation of the T200 switch. An accuracy better than 20 ns is provided regardless of the network load!
This test setup shows in fact that 20 ns accuracy also is achieved on a IEEE1588 Slave implementation when the T200 is enabled for IEEE1588 Grand master operation. The accuracy achieved on the IEEE1588 Slave is verified by comparing the Pulse Per Second (PPS) output from both the Grand master and the Slave.
 


30.09.2004
IEEE1588 Transparency


The T200 switch can now be enabled for IEEE1588 Transparency. The Transparency implementation represents simpler configuration and better accuracy than a corresponding IEEE1588 Boundary clock.

One of the main IEEE1588 properties is related to the handling of variable network latency between the Grand Master clock and the Slave clocks.I.e. the network load dependable latency through the Ethernet switches. This is handled if IEEE1588 Boundary clocks are used on the network path between Grand Master and the Slave clocks. However, this means that each network element in the network must support full Master, Slave and the Best Master Algorithm with increased complexity and cost as the result. A simpler and cheaper approach is based on using network elements with IEEE1588 transparency and still achieves the same level of timing accuracy on the Slave clocks and being compliant with the IEEE1588 standard. A network based on switches with Transparency support is shown in this figure.

See the paper "OnTime 1588 Transparency v1 2004" for more details of the IEEE1588 Transparency technology.

 

 

 

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Phone +47 22 09 03 03 Fax +47 22 09 03 10 contact@ontimenet.com


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