Cisco Systems Network Router manual Selecting a PNNI Level, Address Registration Authorities

Chapter 3 Address and Closed User Group Planning

Planning Address Configuration Settings

Address Registration Authorities

Table 3-2lists the address registration authorities.

Table 3-2 Address Registration Authorities

Category	Type	Authorities
ATM Service	ICD	1.	US—American National Standards Institute (ANSI).
Providers		2. UK—British Standards Institution (BSI).
(ASPs)
			Identifiers for Organizations for Telecommunications Addressing (IOTA)
			http://www.bsi-global.com/DISC/Working+Withyou/Naming+Addressing.xalter.
	DCC	1. ISO National Administrative Authority (Registration Authority).
		2.	List of authorities:
			– US—American National Standards Institute (ANSI).
			– Germany—Deutsche Industrie-Normen (DIN).
	E.164	International Telecommunications Union (ITU), the National Numbering Authority.
Private	ASP Addresses	Private ATM networks can apply to their ATM Service Provider for addresses.
networks
	ICD	Identifiers for Organizations for Telecommunications Addressing (IOTA)
		http://www.bsi-global.com/DISC/Working+Withyou/Naming+Addressing.xalter.
	DCC	ISO National Administrative Authority (Registration Authority).
	Unregistered	Private networks may create unregistered addresses. Note that such addresses are not
	addresses	globally unique. It is recommended that unregistered addresses be formed using the local
		AFI (49).

Selecting a PNNI Level

PNNI uses a hierarchical address scheme to define the physical topology and to create a logical hierarchy above the physical topology. Figure 3-3shows an example of a physical topology.

	Cisco PNNI Network Planning Guide for MGX and SES Products, Release 5
3-6	Part Number OL-3847-01 Rev. D0, April, 2004