8.13 For Further Study

The ForCES Working Group in the IETF is looking at the details of the control and data element protocol. The Network Processing Forum (NPF) Software Working Group also provides some detail on the type of APIs on the control-forwarding interface. RFC 2257 provides more detail on the AgentX protocol. Cosine Communications (www.cosinecom.com) provides some information about the virtual router model. The multi- router model was first commercialized by Allegro Networks. Data Connections provides more information about a redundancy scheme used for MPLS. The Service Availability Forum (www.saforum.org) offers more information on redundancy and high availability models.