Abstract: The Internet has always been a multiprotocol network, being shared by systems transporting packets across a variety of networks. The chapter discusses migration and transition scenarios as proposed in Internet engineering task force (IETF) working groups and request for comments (RFCs). These transition scenarios are largely theoretical in nature and reflect proposed solutions more than reality. It discusses how IPv6 support may be deployed in existing networks. Technical approach for supporting IPv6 in IPv4 is briefly described. One issue often cited as a primary reason for migrating to IPv6 support is security. Another short-term approach to the transition from IPv4-only to IPv6 is known as 6to4 and is described in RFC 3056, "Connection of IPv6 Domains via IPv4 Clouds," a standards track RFC published in 2001. The globally unique IPv4 network address becomes a part of the network address prefix assigned to the 6to4-based IPv6 network, and edge routers can be configured to encapsulate IPv6 packets using those addresses into IPv4 packets.
Publication Year: 2004
Publication Date: 2004-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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