Layer Five

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For other uses, see Layer.
Layer Five
Industry Intellectual property development and licensing
Fate Acquired
Successor Juniper Networks
Founded 1997
Defunct 1999 (1999)
Headquarters Palo Alto, CA, USA
Parent Juniper Networks

Layer Five was a US-based company that was acquired by Juniper Networks in 1999 for US$ 19 million.[1][2] Layer Five was founded by Spencer Greene, of Palo Alto, California. Other employees included Jim Washburn and Sid Agrawal, later CEO of SiPort. Spencer left his job at Alliance Semiconductor in early 1997 to found the company, based on implementing an idea he had for networking hardware. At the time, only one academic paper had been published regarding the seed idea.

See also[edit]


  1. ^ "Juniper Networks Inc acquires Layer Five". Retrieved 2009-01-29. 
  2. ^ "Juniper Networks, Inc. Strengthens Expertise in Building the New IP Infrastructure" (in Juniper Press Release). November 15, 1999. Retrieved 2009-03-05.