PART ONE Protocol interaction:Planning the subarea to IP Migration

CHAPTER 1 SNA and TCP/IP protocol integration

1.1 Integration at the physical layer

1.2 Integration at the link layer

1.3 Integration at the network layer

1.4 Choosing the integration layer

1.5 Choosing the backbone protocol

CHAPTER 2 Introduction to IBM e-business solutions

2.1 LEN and APPN

2.2 High Performance Routing (HPR)

2.2.1 Automatic network routing (ANR)

2.2.2 Rapid transport protocol (RTP)

2.3 Names in an APPN environment

2.3.1 Network accessible unit

2.3.2 Network identifiers

2.3.3 Network names

2.3.4 Network-qualified names

2.4 Addressing in APPN

2.4.1 Addresses in subarea networks

2.4.2 Addresses in APPN networks

2.4.3 Addresses in HPR networks

2.6.1 APPN network node

2.6 APPN node types

2.5 Domains

2.6.2 APPN end node

2.6.3 LEN node

2.6.4 Branch extender node

2.6.5 Virtual routing node

2.6.6 Border node

2.6.7 HPR node

2.7 Mixed environments

2.7.1 APPN and subarea

2.7.2 HPR and APPN

CHAPTER 3 TCP/IP overview

3.1 The beginnings and growth of TCP/IP

3.2 TCP/IP architecture

3.3 TCP/IP internetwork layer protocols

3.3.1 Internet Protocol(IP)

3.3.2 Internet Control Message Protocol(ICMP)

3.3.3 Interfacing with the network layer

3.4 TCP/IP transport layer protocols and interfaces

3.4.1 Ports and sockets

3.4.2 The sockets application programming interface

3.4.3 User Datagram Protocol(UDP)

3.4.4 Transmission Control Protocol(TCP)

3.5.2 Reverse mapping

3.5.1 Mapping domain names to IP addresses

3.5 Domain name system

3.6 Routing protocols

3.6.1 Routing Information Protocol (RIP)

3.6.2 Open Shortest Path First(OSPF)

3.7 TCP/IP and Internet security

3.7.1 Secure Sockets Layer(SSL)

3.7.2 Firewalls

3.7.3 IP Security Architecture(IPSec)

3.7.4 Virtual private networks

3.8.1 Resource Reservation Protocol(RSVP)

3.8 Real-time application support and Quality of Service

3.8.2 Quality of Service

CHAPTER 4 SNA transport in an IP network

4.1 Options for carrying SNA traffic over IP

4.1.1 Data link switching

4.1.2 AnyNet and MPTN

4.1.3 Enterprise Extender

4.1.4 Telnet/3270

4.1.5 Host On-Demand

4.2 Choosing the appropriate integration mechanism and configuration

4.2.1 AnyNet vs. DLSw vs.Enterprise Extender

4.2.2 Telnet/3270

CHAPTER 5 Enterprise Extender

5.1 Benefits of Enterprise Extender

5.1.1 Failure protection

5.1.2 Class of service

5.1.3 Flow and congestion control

5.1.4 Usability and cost effectiveness

5.2 Enterprise Extender description

5.2.1 Enterprise Extender TCP/IP protocol usage

5.2.2 Enterprise Extender implementation

5.2.3 A restriction to be aware of

5.2.4 Responsive mode adaptive rated-based flow control

5.3.1 Communications Server for OS/390

5.3 Enterprise Extender implementation

5.3.2 Communications Server for Windows NT

5.3.3 Communications Server for AIX

5.3.4 The 221X router family

5.3.5 Cisco routers

5.4 Planning for Enterprise Extender

5.4.1 The IP backbone as an APPN Connection Network

5.4.2 EE within the sysplex

5.4.3 Connecting branches to hosts

5.4.4 Running EE in the workstation

5.4.5 Securing Enterprise Extender links with IPSec

PART TWO Implementation details：A migration scenario

CHAPTER 6 Subarea network

6.1 Topology

6.1.1 Data center

6.1.2 Physical network

6.1.3 Clients, workstations, and a Telnet server

6.2 Preparation of the subarea network for the project

6.2.1 Session transmission priority

6.2.2 Prepare a model application program definition

6.2.3 Subarea searches

6.2.4 Buffer usage in VTAM

6.2.5 Verify PATHTABs in NCPs

6.2.6 Verify LU6.2 MODEs in the workstations

6.2.7 Get current maintenance level

CHAPTER 7 APPN and sysplex within the data center

7.1 Planning for the move to APPN

7.1.1 Dynamic definitions

7.1.2 Roles and responsibilities of VTAM and NCP

7.1.3 Naming conventions

7.1.4 Dynamically defining switched resources

7.1.5 APPNCOS start option and table

7.1.6 Transmission group profiles

7.1.7 ISTINCLM and user-defined logmode table requirements

7.1.8 VTAM to VTAM connections

7.2.1 Migrating our CMC hosts to ICN

7.2 Migrating from subarea to APPN

7.2.2 VTAM definitions for primary ICN

7.2.3 APPN-related start options

7.2.4 APPN COS and TG profiles

7.2.5 CDRMS and adjacent SSCP tables

7.2.6 Migrating our data hosts to pure ENs

7.2.7 Topology and directory databases

7.2.8 Checking our network status

7.2.9 Topology

7.2.10 Changing CTCs to MPC+ links

7.3 Observations

CHAPTER 8 IP network description

8.1 Topology

8.1.1 IP hosts and additional hardware

8.1.2 Physical links

8.2 VIPA

8.3 Routing infrastructure(OSPF)

8.3.1 Configuring OSPF

8.3.2 Routing table displays

CHAPTER 9 Enterprise Extender configuration

9.1 Enterprise Extender topology

9.2.1 TCP/IP configuration changes

9.2.2 Defining EE on our NNs

9.2 Configuring EE on CS for OS/390

9.2.3 Defining EE on our ENs

9.3 Configuring Branch Extender and EE on CS for Windows NT

9.3.1 Configuring the MAC address

9.3.2 Configuring the node

9.3.3 Configuring the EEDLC port

9.3.4 Configuring the upstream links

9.3.5 Verification of the configuration

9.4 Configuring EE on the routers

9.4.1 Configuring EE on the Cisco 7507

9.4.2 Configuring the IBM 2210

9.5 Configuring EE on AIX

9.5.1 AIX configuration file

CHAPTER 10 SNI replacement

10.1 Planning for SNI replacement

10.1.1 APPN in your own network

10.1.2 APPN in your partner s network

10.1.3 Access control in your network

10.1.4 Secure the connection

10.2 Implementing SNI replacement

10.2.1 Change the SNI FID4 connection to APPN EBN FID2

10.2.2 Adding our parallel EE links

10.3 HPR to subarea connectivity problem

10.3.1 After EE has been implemented between branches and host

CHAPTER 11 Performance consideration

11.1 Areas to look at

11.2 Session parameters

11.3 APPN parameters

11.4 HPR parameters

11.5 Transmission unit size considerations

11.5.1 Architecture

11.5.2 Example packet trace

11.5.3 SNA compression

APPENDIX A VTAM definitions

A.1 APPN VTAM definitions for host 105

A.2 APPN VTAM definitions for host 106

A.3 APPN VTAM defintions for host 223

A.4 APPN VTAM definitions for host 222

A.5 APPN VTAM definitions for host 221

A.6 EE VTAM start list for hosts 105,106,221,222,223

A.7 VTAM start list for Enterprise Extender

A.8 Adjacent cluster

A.9 TCP/IP profile for 105

A.10 TCP/IP profile for 106

A.11 TCP/IP profile for 221

APPENDIX B Configuring CS for Windows NT and Pcomm

B.1 Sample definition of CS for Windows NT Branch Extender with EE links

B.2 Definitions for PComm 4.3