• DZs do normal routing on site prefixes (CIDR allocation, but portable across providers);
unknown prefixes are routed to DFZ• when packet hits fist DFZ router, destination site prefix …

Internet routing is at an important crossroad. The current global routing table, which is
largely based on IPv4 addresses, has been growing at an alarming rate over the last few …

The present invention relates to selection of an Internet Protocol (IP) source address for a
host device to access a destination via a multi-homed site having multiple paths to the …

Classless Inter-Domain Routing (RFC 1519) was established to enable more efficient
allocation of the IPv4 address space and ushered in a new routing paradigm requiring new …

IP addresses are allocated to Internet service providers (ISPs) by four Regional Internet
Registries (RIRs), in turn the ISPs further assign addresses to end users. To understand the …

The IP Version 6 addressing architecture defines an" anycast" address as an IPv6 address
that is assigned to one or more network interfaces (typically belonging to different nodes) …

This memo specifies the frame format for transmission of IPv6 [IPV6] packets and the method
of forming IPv6 link-local addresses over IPv4 domains. It also specifies the content of the …

BACKGROUND Internet Protocol version 6 (IPv6) is a network layer protocol for packet-
switched internetworks. It is designated as the successor of IPv4, the current version of the …

IPv6 Segment Routing is a major IPv6 extension that provides a modern version of source
routing that is currently being developed within the Internet Engineering Task Force (IETF) …

The Internet use IP addresses to identify and locate network interfaces of connected devices.
IPv4 was introduced more than 40 years ago and specifies 32-bit addresses. As the Internet …