Tcp/Ip Internet Setup Wizard; Network Quality Of Service (Qos) - New With V5R1; Tcp/Ip Base Protocol Support - IBM i series Handbook

TCP/IP Connectivity Utilities (5722-TC1)
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TCP/IP Internet Setup Wizard

The iSeries Internet Setup Wizard simplifies the steps required to connect your iSeries to the
Internet and provide application and Web serving. The wizard allows you to connect your
iSeries to an Internet Service Provider (ISP) over a dial-up connection or directly through a
LAN connection. The Wizard can also connect your intranet iSeries to the Internet through a
firewall or router and allow for Web and application serving by the iSeries over that
connection.
Network Quality of Service (QoS) – New with V5R1
In V5R1, iSeries provides the ability to control and manage TCP/IP traffic in the network and
take advantage of the leading-edge networking Quality of Service (QoS) functions contained
in routers and switches. The iSeries QoS functions for managing TCP/IP traffic provide the
ability to drop, mark, and shape TCP/IP traffic based on the QoS policy being applied. In
addition, QoS admission control capability is provided for controlling bandwidth management
requests. The QoS functions supported are:
• Resource Reservation Protocol (RSVP) including an iSeries RSVP agent
• RSVP APIs (X/Open standard APIs) for applications
• Differentiated Services (DiffServ)
• QoS policies based on the TCP/IP 5-tuple (Source IP address, Destination IP address,
Source Port, Destination Port, and Protocol), address ranges, and wild-cards. This
support includes a policy agent, and a wizard-based GUI in Operations Navigator for
configuring the QoS policies.
• QoS monitoring APIs and a GUI for monitoring the effectiveness of your QoS policies

TCP/IP Base Protocol Support

iSeries natively supports all the base TCP/IP communications protocols. TCP/IP applications
are typically implemented to the SOCKETS API which support both TCP (connection-based)
and UDP (connectionless) applications. As an alternative to the SOCKETS API, applications
can be implemented to Remote Procedure Call (RPC) which is based on SUN Version 2 of
network file system (NFS). The base protocols of IP, ICMP, and ARP are fully supported as
are the security protocols IPSec and IKE. iSeries TCP/IP conforms to all relevant RFCs. Its
communications performance characteristics are equal to or better than SNA in most cases.
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