M/A-Com Network First Presentation
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M/A-Com Network First Presentation Presentation Transcript

  • 1. NetworkFirst Interoperability Through NetworkFirst Norman Hrapchak & Brian Leger February 12, 2003
  • 2. Our Focus: The Future Today Today’s Systems Market Demand M/A-COM Digital Trunked IP Packet Technology Voice & Data High Capacity TDMA Multi-mode SW radios Analog Circuit Sw. Primarily Voice 1 Call/Channel Proprietary Quality/Service Flexibility Data Applications Capacity Interoperability
  • 3. OpenSky: An IP solution
  • 4.
    • Build the network top-down
      • Wide area switching
        • Connectionless services
        • Group calling
        • Voice & Data
      • Facilitate Interoperability
        • Network-level Gateways
        • Multi-mode radios
        • Internetworking of private systems
    • Leverage industry standards
      • TCP/IP, CDPD (IS-732), ANSI 102 (P25 Phase I) CAI, …
    Packet Technology Internet Protocols OpenSky Design Paradigms
  • 5. A New Model For Switching: Packet Switched Client/Server Architecture
    • Traditional Networks
      • Switch
      • Circuit Switching Nodes
      • Base Sites
      • Terminals
    • The Client Server Model
      • Server
      • Packet Switching Routers
      • IP Base Sites
      • Clients
  • 6. System Interfaces: An All-IP Network Interoperability IP Console IP Inter System IP Base Station IP TDMA Airlink Application IP Application IP Application IP Radio/Switch Client/Server IP IP Network Management IP Network Administration
  • 7. 95% Radio Coverage - 45,000 sq/miles 27 State Agency Participants 25,000  150,000 Users Counties – Interoperation Connectivity Currently rolling out the Network PA Statewide Voice/Data Radio Network
  • 8. Rationalizing the New Architecture
    • Why Packet Switched IP?
      • Industry Standard for Data Networks
      • Well Suited to Connection-less Push-to-Talk Group Voice Services
      • Cost Effective
    • Why Client-Server?
      • The Norm for Complex System Applications
    • Why TDMA?
      • Spectrum Efficiency
      • Effective Integration of Voice, Data & Control
    • Why Cellular?
      • Highly Scalable to Large and Small Networks
      • Can Tailor Coverage and Capacity Within Network
  • 9. Solving Interoperability NetworkFirst
  • 10. Key Question How to provide immediate interoperability among State, County, Local, and Federal Emergency First Responders?
  • 11. Solution Options To achieve interoperability, you can: Adopt Radio Standard Adopt Network Standard Everyone Uses same radio and system IP Network supports all existing radios and systems or
  • 12. Interoperability Through the Customer’s Eyes
    • What it means
      • The ability to communicate between mobile and fixed personnel participating in group -based, coordinated , operations
    • What is necessary
      • A vision and an operational plan
      • Cooperation between participating agencies
      • Products and technology
    • What it needs to accomplish
      • Remain non-intrusive for normal day-to-day operations
      • Support pre-planned and unplanned scenarios
    • Perspectives of different types of buyers
      • Economic: How do I maximize return on current investment and what do I get for my incremental investment?
      • Technical: What service do my users really need?
      • Political: What have I contributed to the security of my constituency?
  • 13. The Present State of Public Safety Communications
    • Federal
      • Utilize federal NTIA regulated bands
      • Most agencies use analog non-trunked, some analog trunked use
      • Beginning deployment of P25 conventional, increased interest in P25 trunking
    • State
      • Most state-wide networks are Low band & VHF conventional analog
      • State Patrol and DOT’s tend to drive statewide use
      • Regional use of VHF and UHF bands
      • Very limited deployment of statewide trunking
      • Some early migration to 800 MHz digital trunked
    • Local Tier 1 County and Municipal
      • Analog trunked radio with migration to digital trunked radio
    • Local Tier 2 County and Municipal
      • Conventional analog with some early migration to conventional digital P25
  • 14. The Interoperability Problem
    • Multiple Agencies:
      • Federal, State, County and Local
    • Multiple Frequency Bands
      • VHF-low, VHF-high, UHF (low, T-band), 800, NPSPAC, 700 (proposed)
    • Multiple Vendors - Proprietary Protocols
    • Other Variables:
      • Multiple SW revisions, control channel rates, etc.
      • Narrowband & Wideband
  • 15. The “Ideal” State
    • An ubiquitous network with:
      • Coverage everywhere
        • A user can use his/her radio wherever they are asked to go
      • Full connectivity
        • A user can communicate with whomever he/she needs to
    • Barriers to achieving the Ideal State
      • No unified frequency plan
        • Every band exists everywhere … but
        • Band use is licensed for individual use – no clear concept of resource sharing
        • This is not a technical issue it is a regulatory issue
      • Today’s radios do not implement effective mobility management
        • Requires user to remain cognizant of coverage (channel)
        • Trunked systems address part of this concern
      • The radio channels that are in use are not part of a comprehensive switched network
  • 16. State-of-the-Art for Interoperability
    • Simulcast Trunked Radio Systems
      • Separated the channel from the group
      • Full interoperability for all participating agencies
      • Allow roaming within the coverage area
      • Users select whom they talk to
      • Dispatchers can patch groups together for increased interoperability
      • Interfaces to conventional radio systems
    • Wide Area Multisite Trunked Systems
      • All the features of Simulcast Trunked Radio Systems
      • With increased coverage area
      • Conventional overlay for legacy radios and interoperability with local governments
      • Network interfaces to existing trunked systems
  • 17. A Long-Term View of Interoperability
    • Probably the best long-term interoperability solution is:
      • Statewide Digital Trunked Systems with:
        • Conventional Overlay to analog systems within the state
          • Federal, state and local level
        • Networked Trunked interfaces to existing trunked systems within the state
    • Why states:
      • Significant geographic coverage
      • States can bridge the gap between Federal and Local governments
      • States have the right economies of scale
      • Statewide systems are becoming practical to implement
    Homeland Security money will be funneled through the states
  • 18. Short Term View of Interoperability
    • What drives the short-term view?
      • Minimal cost – maximize leverage of customer’s existing equipment
      • Fast to deploy – Must be capable of being deployed across a state in less than 3 years
      • Provides a technology step towards the long term solution
    • The answer is NetworkFirst!
      • Start with a modern network backbone
        • IP packet switched
      • Interconnect existing conventional and trunked systems
      • Enable incremental investment to achieve the long-term objective
  • 19. NetworkFirst Bridging the Past to the Future Regional Operations Center Dispatch Center Gateway Municipal 800MHz Digital Trunked County UHF Conventional Federal VHF Other State Trunked PSTN Regional Operations Center
  • 20. The NetworkFirst Roadmap Conventional Interoperability
    • Switching
    • Network Administration
    • Network Management
    OpenSky Data OpenSky Voice P25 IP EDACS Conventional Systems Trunked Systems Future Systems IP Backbone
    • Routers
    • Wide Area Links
  • 21. Comparing Interoperability Solutions
    • Interconnectivity = Interoperability
    • Radio Solution
    • Airlink Standards
    • Network Solution
    • IP Network Standards
    • Not scalable
    • Not selective between talkgroups (patch vs switch)
    • Not a wide-area solution
    • Not user driven – user doesn’t decide who he/she talks to
    • Does not address operation in different frequency bands
    • Does not address interoperability with non-P25 systems
    • Does not increase system capacity
    • Increases service area not coverage
    • Requires an IP wide area network
    • Add-on to existing systems
    • Highly economical
    • Migrate from analog to digital
    • Replace existing system
    • Replace terminals
    • Very expensive
    • Add-on to existing systems
    • No new terminals
    • Highly economical
    • Console Patch
    • Cross band Radio Patch (ACU 1000)
    • Standardize on a digital air interface
    • Interoperability within the same band on the same channels
    • Interconnect existing analog and digital systems
    • Implement trunk-like features
    • Packet switched network
    • IP Protocols
    • Radio user selects who he/she talks to
    Description Conventional Patch P25 NetworkFirst
  • 22. Technical Overview of NetworkFirst NetworkFirst Building Blocks NetworkFirst Interfaces System Scalability System Addressing and ID’s Resource Pools Security
  • 23. NetworkFirst Building Blocks
    • The Gateway
    • Converts audio protocols into VOIP
    • Universal audio ports
    • 1 DVU card per talkpath
    • Each DVU has a unique IP address
    • The Operations Center
    • Redundant Voice Switch (VNIC)
    • Network Management Server
    • Network Administration Server
    • High speed redundant LAN
    • High capacity redundant Routers
    • The IP Backbone
    • Private Intranet
    • Built on standard Internet Protocols
    • Utilizes third party equipment
    • Wide variety of communication media
    • Network Management Clients
    • User interface for Network Managers
    • Co-located or Remote
    • SUN and PC X-window clients
    • Network Administration Clients
    • User interface for Network Administrators
    • Co-located or Remote
    • WEB Browser
  • 24. Regional Operations Center VNIC Application Software Redundant Voice Switch (VNIC) Redundant Ethernet Switch (HUB) Redundant Router IP Network Backbone Network Management Server Network Administration Server
  • 25. The IP Backbone
    • IP Networks are comprised of a mesh of routers
    • Routers are connected by links such as point-to-point microwave
    • Routers use IP addresses to route packets from one link to another
    • Routers use routing tables to perform this routing function 10.52.25.xx Subnetwork 10.52.30.xx Subnetwork Digital Voice Source Address Destination Address Packet Data 10.52.30.xx 10.52.30.xx 10.52.30.xx 10.52.30.xx UDP … Control IP Packet
  • 26. DVU Cards provide Audio-to-IP Serial Data to Network Optional PSTN Interface 4-Wire Audio and signaling Connects to IP Router 38.4 kb/s SLIP RS-232 Connects to local PBX or POTS Line Universal Audio Port 600  Balanced Audio Optional E&M Signaling
  • 27. NetworkFirst System Interfaces Conventional Radio Systems Trunked Radio Systems Consoles System Controller Trunked Base Sites Conventional Base Sites Console Switch Matrix Consoles Conventional Base Sites PSTN Network Management & Administration IP Consoles Desk Sets
  • 28. Building a Larger System
    • The Network Operations Center
    • Network-wide Administration
    • Network-wide Management
    • Remote Clients
    System Administration Regional Administration Agency Administration Levels of Administration Regional NetworkFirst System Regional NetworkFirst System Regional NetworkFirst System Network Operations Center (NOC) Conventional & Trunked Radio Systems Conventional & Trunked Radio Systems Conventional & Trunked Radio Systems
  • 29. Addressing and IDs
    • Talkgroups
    • IP Addresses
    • The User ID Structure Defines:
      • Regional Networks implemented as Regional Operations Centers
      • Agency Operations Centers
    • Service Provider Network ID (SPNI)
      • Not used in the NetworkFirst Interoperability Application
  • 30. Talkgroups
    • Talkgroups are the fundamental entities for facilitating interoperability
    • NetworkFirst Talkgroups have many of the same characteristics as in a trunked radio system
    • Most NetworkFirst functions are tied to the talkgroup
      • Inter and Intra-regional calls
      • Priority & preemption
      • Call control timers
      • Blocking and Non-blocking behaviors
  • 31. NetworkFirst Security
    • Some observations about security
      • A system is only as secure as its weakest link
        • When dealing with conventional radio, the analog radio transmission is the weakest link
        • Easy to detect, easy to eavesdrop
      • To some degree security and interoperability impose conflicting requirements
        • Security limits access
        • Interoperability expands access
    • Within its boundaries, NetworkFirst provides security through encryption
      • Encryption is end-to-end: from DVU to DVU
      • Encryption utilizes the Advanced Encryption Standard (AES, FIPS-PUB-197 with 128 bit keys)
  • 32. Configuring & Managing NetworkFirst Network Administration System Network Management System
  • 33. Network Administration System Overview
    • Every NetworkFirst system includes a Network Administration System
      • This includes both single ROC systems as well as multi-ROC systems
    • A single NAS can configure a network of ROCs
    • The NAS is implemented in a multi-user, Client-Server, WEB-based architecture
    • Network Administration Server
      • JAVA WEB Front End – Implements the user interface
      • Sybase database manager
      • Provisioning Agent
    • Network Administration Clients
      • WEB Browsers
      • Password Protected access to server
      • Multiple Levels of Administration Privileges
      • Administer, Configure and Control Resource Pools
        • Talkgroups, IP Addresses, DVUs
  • 34. System Level Administration
    • Create and manage Administration Accounts
    • Create Administration Classes
    • Assign access rights(read/write) to databases for admin classes
    • Add regional networks to system
    • Create talkgroup property and priority classes
    • Establish geographic distribution of talkgroups
  • 35. Regional Network Level Administration
    • Create agencies within region
    • Assign IP Address pools to agencies within the regional network
    • Enable agencies to access talkgroup priority and property classes for use within the regional network
    • Can perform all Agency Administration functions
  • 36. Agency Level Administration
    • Create talkgroups
    • Assign IP addresses to DVUs
    • Configure static and dynamic talkgroups for DVUs
    • Add Console Systems
    • Perform Encryption Key Management (Future release)
  • 37. Solution Design Considerations
    • Operational Considerations
      • What system(s) are being interconnected
      • Who needs to talk to who - Fleet mapping
    • Equipment Considerations:
      • System Sizing & Capacity
      • How many ROCs
      • IP Backbone Design
  • 38. The NetworkFirst Roadmap Conventional Interoperability
    • Switching
    • Network Administration
    • Network Management
    OpenSky Data OpenSky Voice P25 IP EDACS Conventional Systems Trunked Systems Future Systems IP Backbone
    • Routers
    • Wide Area Links
  • 39. When is NetworkFirst the Right Answer?
    • When you want interoperability on demand
    • When you want users to determine who they talk to
    • When you want a scalable solution
    • When you want a migration path
    • When you don’t have enough money to replace all your radios
    • When you don’t have 5 years to create a solution
  • 40. www.macom-wireless.com To private wireless users who require the highest level of security, reliability, interoperability and capacity, M/A-COM is the most experienced provider of the most technologically advanced voice and data networks.