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    Networking and Communications


    Section Summary
    The networking and communications infrastructure is the most fundamental aspect of a network operating system. It provides connectivity and interoperability with client systems as well as other server-based operating systems. This infrastructure includes network architecture (physical device and media support), protocol support, networking services, Routing and Remote Access Services, and virtual private networking (VPN) services, Wide Area Network (WAN) connectivity, telephony, and Quality of Service (QoS). The best network operating system is that which offers the best balance of feature depth and ease of management in the above-mentioned areas.

    Of the three network operating systems, the Windows 2000 Server network and communications infrastructure provides the most feature-complete and highly usable solution. Windows 2000 Server is highly available, as configuration changes are totally dynamic in most cases and do not require server downtime, and it is the only network operating system to offer a QoS implementation.

    Windows NT Server 4.0 features telephony, and a VPN solution but does not, offer a QoS implementation. Manageability is entirely GUI-based but cannot compare with the ease-of-use, consistency, and additional capabilities featured in the Windows 2000 Server MMC, and configuration changes almost always require a server reboot.

    Solaris 7 does not offer telephony solutions of any kind but does offer a strong VPN solution through SunScreen SKIP. Manageability is complex, as almost every aspect of configuration requires the use of a combination of command line tools and GUI-based tools. In general, availability is better than Windows NT Server 4.0, as fewer reboots are required for configuration changes.


    Feature Table


    Feature

    Solaris 7


    Windows NT Server 4.0

    Windows 2000 Server

    Network Architecture










    Ethernet







    Fast Ethernet







    Gigabit Ethernet







    Token Ring







    ARCnet







    FDDI







    Native ATM Support







    Auto-Detects Devices at Install







    Auto-Detects Devices Post-Installation







    Configure Hardware as Part of OS







    Configuration Changes Require Reboot







    Supports NIC Hot-Swap







    Supports Plug and Play







    Power Management Support







    Protocol Support










    TCP/IP







    IPX/SPX







    NetBEUI







    DLC







    AppleTalk







    Supports Previous Clients on TCP/IP







    Supports Previous Clients on IPX/SPX







    Allows Selective Adapter/Protocol Bindings







    Allows Protocol Binding Order Adjustment







    Allows Selective Service/Protocol Bindings







    Allows Service Binding Order Adjustment







    Configuration Changes Require Reboot







    TCP/IP Aliasing







    TCP/IP Large Window Support







    TCP/IP Enhanced RTT Estimation







    TCP/IP Selective Acknowledgement Support







    DHCP Services










    DHCP Server Service







    IETF DDNS Standards Compliance







    BOOTP Server Service



    ■+

    ■+

    DHCP User Class Support







    DHCP Statistics and Analysis Reporting







    DHCP Fault Tolerance







    Rogue DHCP Server Detection







    DHCP Multicast Address Assignment







    DHCP Vendor Class Support







    DNS Services










    DNS Server Service







    Dynamic DNS







    WINS Server Service

    □*





    WINS Dynamic Record Deletion







    WINS Manual Tombstoning







    WINS Persistent Connections







    DNS Resolver Cache







    Remote Access and VPN Services










    Direct Dial Support







    Virtual Private Networking Support







    TCP/IP Protocol Support







    IPX/SPX Protocol Support







    NetBEUI Protocol Support







    DHCP Addressing Support







    Manual IP Pool Addressing Support







    Tunneling / Point-to-Point Tunneling Support







    IP Security Support







    Layer 2 Tunneling Protocol (L2TP) VPN Support







    Perfect Forward Secrecy (PFS) Support







    Certificate Discovery Protocol (CDP) Support







    Restartable File Copy







    RADIUS Client Support







    RADIUS Server Support







    Phonebook Administration







    Connection Sharing







    Server-to-Server VPN Support







    Directory Integration for Policy Management







    Supports Callback Security







    Password Authentication Protocol (PAP) Security







    Challenge Handshake Authentication Protocol (CHAP)







    Microsoft CHAP Security







    Shiva PAP Security







    Modem Sharing Services







    Connections per Server

    >416

    256

    256

    Routing and WAN Services










    LAN Routing Support







    PPP Routing Support







    ATM Routing Support







    X.25 Routing Support







    Frame Relay Routing Support







    On-Demand Connection Support







    TCP/IP Protocol Support







    IPX/SPX Protocol Support







    RIP Support







    OSPF Support







    NLSP Support







    TCP/IP Filtering

    □*





    IPX/SPX Filtering







    DHCP Relay Support







    DNS Proxy Support







    IGMP Protocol Support (Multicast)







    Network Address Translator

    □*





    Dynamic Bandwidth Allocation (Admission Control Service)

    □*





    Extensible SDK and API Set







    Multi-link PPP Support







    Includes SNMP Monitoring and Management Package







    Telephony Support










    Telephony Solution Available







    TAPI 2.0 Support







    TAPI 3.0 Support







    Integrated Dialer







    ITU H.323 Conferencing Protocol Support







    Quality of Service










    IETF RSVP (QoS) Support







    IETF diff-serve (CoS) Support







    QoS API Support







    +BootP support is limited.

    *These services are available in the Sun Firewall product.


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    White Paper Abstract

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