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BST

Packet Design has developed a solution to the security and reliability problems with BGP (Border Gateway Protocol), the routing protocol used by virtually all network routers for communication between service provider and large enterprise domains. Packet Design's BGP Scalable Transport (BST) is a new protocol that addresses BGP issues long recognized throughout the industry and voiced by White House security experts.
By streamlining the communication mechanism used to transport BGP routing information, BST dramatically lowers the cost and overhead associated with implementing security (authentication and encryption) and reliability measures.

BST works with, but requires no changes to, any router vendor's existing BGP implementation. The solution lies in augmenting BGP with a new transport mechanism alongside the one it currently uses, TCP (Transport Control Protocol).

BST is fully backward compatible and incrementally deployable. When BST is added to BGP, all features and capabilities of the existing BGP implementation remain intact and unchanged. Because BST-enhanced routers are fully compatible with routers not running BST, BST can be deployed incrementally as time and cost permit. The new protocol can be used between route processors in a single router, between routers in a point of presence (POP), between POPs in an autonomous network, or between autonomous networks.

Because using BST requires significantly fewer connections than TCP, a network can scale to a much greater size with minimal concern for connection loss, security breaches, slow convergence times and - a major trouble spot with BGP - configuration complexity.

A detailed study of two years worth of multiple ISP BGP trace data (analyzed by Packet Design and presented at NANOG and IETF then reproduced by CAIDA and presented at IETF) clearly shows that over 95% of BGP "churn" is due to peering loss and configuration errors. BST's enhanced reliability greatly reduces peering losses and its simplified BGP configuration reduces configuration errors.

BST is not a BGP replacement --- it is an enhancement that serves to make a router vendor's BGP implementation far more reliable, secure and scalable than it could be otherwise.

For more information, please refer to the BST datasheet. Inquiries can be sent via email to: bst-info@packetdesign.com

 

 

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