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1.1 ! root 1: ! 2: ! 3: Issues in Transition and Coexistence for TCP/IP to OSI (1/2 day) ! 4: ! 5: Dr. Marshall T. Rose ! 6: ! 7: ! 8: Overview ! 9: ! 10: The U.S. DoD Internet suite of protocols (commonly known as TCP/IP) ! 11: is the de facto open (non-proprietary) standard for ! 12: computer-communications in multi-vendor and multi-administration ! 13: networks. TCP/IP has enjoyed unprecedented success as the open ! 14: systems solution of choice for inter-connecting networks and hosts. ! 15: However based on international cooperative work, it is commonly ! 16: acknowledged that protocols based on the Open Systems ! 17: Interconnection (OSI) model and promulgated by the International ! 18: Organization for Standardization (ISO) will eventually achieve ! 19: dominance and enjoy even greater success than TCP/IP. ! 20: ! 21: Although previously an "academic" problem, the widespread ! 22: investment in TCP/IP-based systems has made practical solutions to ! 23: transition and coexistence an overwhelming concern: organizations ! 24: using TCP/IP protocols today will be less willing to adopt OSI ! 25: protocols tomorrow unless interruption of production facilities is ! 26: minimized and the underlying investment is protected. ! 27: ! 28: ! 29: What You Will Learn ! 30: ! 31: You will achieve a thorough understanding of the technology ! 32: involved when interconnecting TCP/IP-based systems to OSI-based ! 33: systems. ! 34: ! 35: ! 36: Syllabus ! 37: ! 38: - Motivation: the need for transition and coexistence ! 39: ! 40: - Background: concepts, terminology, and metrics of comparison ! 41: ! 42: - Protocol-based approaches: dual-stacks, application gateways, and ! 43: transport gateways; discussion of existing implementations ! 44: ! 45: - Re-defining the problem: understanding the difference between ! 46: transition and coexistence ! 47: ! 48: - Service-based approaches: transport-service bridges, and network ! 49: tunnels; discussion of existing and planned implementations ! 50: ! 51: - Examples: scenarios for different environments; the DoD OSI ! 52: transition plan ! 53: ! 54: ! 55: Who Should Attend ! 56: ! 57: This tutorial is intended for professionals interested in planning, ! 58: implementing, or managing environments containing both TCP/IP and ! 59: OSI implementations. Although detailed knowledge of neither TCP/IP ! 60: nor OSI is required, basic familiarity with both protocols suites ! 61: is assumed. No knowledge of protocol translation issues is ! 62: required. ! 63: ! 64: ! 65: Speaker ! 66: ! 67: Marshall T. Rose is a Principal Software Engineer at The Wollongong ! 68: Group where he works on OSI protocols and transition strategies. ! 69: He is the principal implementor of the ISO Development Environment ! 70: (ISODE), an openly available implementation of the upper layers of ! 71: the OSI protocol suite. He was co-author of RFC1006 (ISO Transport ! 72: Services on top of the TCP), and was a member of the IFIP working ! 73: group committee whose efforts led to RFC987 (Mapping between X.400 ! 74: and RFC822). He is currently an advisor to the National Science ! 75: Foundation, serving on its Network Technical Advisory Group. He is ! 76: also an adjunct Assistant Professor at the University of Delaware. ! 77: Rose received the Ph.D. degree in Information and Computer Science ! 78: from the University of California, Irvine, in 1984.
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