{"id":1761,"date":"2012-06-15T16:00:46","date_gmt":"2012-06-15T16:00:46","guid":{"rendered":"https:\/\/www.activo.ca\/blog\/?p=313"},"modified":"2024-01-15T17:07:31","modified_gmt":"2024-01-15T17:07:31","slug":"six-benefits-of-ipv6","status":"publish","type":"post","link":"https:\/\/www.activo.ca\/blog\/six-benefits-of-ipv6\/","title":{"rendered":"Six Benefits of IPv6"},"content":{"rendered":"

In honour of World IPv6 Day on June 6, Information Week’s Andrew Lientz outlined six additional reasons – aside from the obvious increase of IP addresses – to move from IPv4 and enable IPv6. They are:<\/p>\n

1. More Efficient Routing<\/strong>
\nIPv6 reduces the size of routing tables and makes routing more efficient and hierarchical. IPv6 allows ISPs to aggregate the prefixes of their customers’ networks into a single prefix and announce this one prefix to the IPv6 Internet. In addition, in IPv6 networks, fragmentation is handled by the source device, rather than the router, using a protocol for discovery of the path’s maximum transmission unit (MTU).<\/p>\n

2. More Efficient Packet Processing<\/strong>
\nIPv6’s simplified packet header makes packet processing more efficient. Compared with IPv4, IPv6 contains no IP-level checksum, so the checksum does not need to be recalculated at every router hop. Getting rid of the IP-level checksum was possible because most link-layer technologies already contain checksum and error-control capabilities. In addition, most transport layers, which handle end-to-end connectivity, have a checksum that enables error detection.<\/p>\n

3. Directed Data Flows<\/strong>
\nIPv6 supports multicast rather than broadcast. Multicast allows bandwidth-intensive packet flows (like multimedia streams) to be sent to multiple destinations simultaneously, saving network bandwidth. Disinterested hosts no longer must process broadcast packets. In addition, the IPv6 header has a new field, named Flow Label, that can identify packets belonging to the same flow.<\/p>\n

4. Simplified Network Configuration<\/strong>
\nAddress auto-configuration (address assignment) is built in to IPv6. A router will send the prefix of the local link in its router advertisements. A host can generate its own IP address by appending its link-layer (MAC) address, converted into Extended Universal Identifier (EUI) 64-bit format, to the 64 bits of the local link prefix.<\/p>\n

5. Support For New Services<\/strong>
\nBy eliminating Network Address Translation (NAT), true end-to-end connectivity at the IP layer is restored, enabling new and valuable services. Peer-to-peer networks are easier to create and maintain, and services such as VoIP<\/a> and Quality of Service (QoS) become more robust.<\/p>\n

6. Security<\/strong>
\nIPSec, which provides confidentiality, authentication and data integrity, is baked into in IPv6. Because of their potential to carry malware, IPv4 ICMP packets are often blocked by corporate firewalls, but ICMPv6, the implementation of the Internet Control Message Protocol for IPv6, may be permitted because IPSec can be applied to the ICMPv6 packets.<\/p>\n

Read more about the depletion of IPv4 and the move to IPv6<\/a>\u00a0here.<\/p>\n","protected":false},"excerpt":{"rendered":"

In honour of World IPv6 Day on June 6, Information Week’s Andrew Lientz outlined six additional reasons – aside from the obvious increase of IP addresses – to move from IPv4 and enable IPv6. They are: 1. More Efficient Routing IPv6 reduces the size of routing tables and makes routing more efficient and hierarchical. IPv6 […]<\/p>\n","protected":false},"author":1,"featured_media":2591,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[49],"tags":[33,34,59,60,61,62],"class_list":["post-1761","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-infrastructure-cabling","tag-ip","tag-security","tag-ipv4","tag-ipv6","tag-information-week","tag-world-ipv6-day"],"acf":[],"yoast_head":"\nSix Benefits of IPv6 | Activo<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.activo.ca\/blog\/six-benefits-of-ipv6\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Six Benefits of IPv6 | Activo\" \/>\n<meta property=\"og:description\" content=\"In honour of World IPv6 Day on June 6, Information Week’s Andrew Lientz outlined six additional reasons – aside from the obvious increase of IP addresses – to move from IPv4 and enable IPv6. They are: 1. More Efficient Routing IPv6 reduces the size of routing tables and makes routing more efficient and hierarchical. 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