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Entries with tag ipv6 dual stack solution.

Implementing IPv6 For Your Business

Breaking it down to simplistic terms, the Internet is a network of computers and mobile devices connected to each other through a series of routers and speaking common protocols. The way that these routers connect computers and mobile devices across the Internet is through either  IPv4 or IPv6 addresses . Knowing about this technical jargon may seem tasking and irrelevant for most businesses. Why not hire someone with IT knowledge to deal with it instead, right? But there is a growing need for businesses to familiarize themselves with some basic knowledge about and the differences between the different types of IP addresses. Let’s start with the growing problem facing IPv4 then go into detail to why implementing IPv6 to work alongside your current IPv4 for your business now will save you and serve you in the future. IPv4, or Internet Protocol...
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An Introduction to IPv4 and IPv6

The Internet Protocol specifies the technical format of packets and the addressing scheme for workstations to communicate over a data network. The Internet Protocol is designed for use in interconnected systems of packet-switched computer communication networks (see RFC:791 ). IP usually works in combination with the Transmission Control Protocol (TCP), which establishes a virtual connection between a source and a destination or with UDP.  As an analogy, UDP can be thought of as sending a postcard via the postal system. It permits a user to address a packet and drop it in the system/network whereby the user does not have direct contact with the receiver of the message packet. TCP/IP, on the other hand, is more like a bidirectional phone call, where a connection is established the connection between the two hosts so that the two hosts can communicate between...
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8 Things You May Not Have Known About IPv4 Vs. IPv6

8. IPv4 uses 32 bits for its Internet addresses. That means it can support 2^32 IP addresses in total — 4294967296 IPv6 uses a 128-bit address, supporting 2^128 or 340282366920938463463374607431768211456 addresses. 7.  IPv4 and IPv6 essentially run as parallel networks— they can’t directly communicate with each other and exchanging data between these protocols requires special gateways. This is why being dual-stacked is the preferred configuration as it allows for communication to both IPv4 and IPv6. 6. The current version of the Internet Protocol IPv4 was first developed in the 1970s, and the main protocol standard RFC 791 that governs IPv4 functionality was published in 1981. In 1994 the IETF began designing and developing a new set of protocols and standards that is known as IPv6 which is described in RFC 2460. IPv6 was first deployed in 1998. 5. With IPv4...
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If Your Enterprise Has Adopted “BYOD” Then You NEED IPv6 Adoption NOW

Many businesses today have adopted the “BYOD” (Bring Your Own Device) policy which allows employees to work from their personal devices such as their smart phones or laptops and connect to the company network. Since many of these devices have IPv6 capabilities, this means that they can connect to your enterprise’s IPv4-only network and communicate across an IPv6 link-local network even if IPv6 is not configured on the infrastructure. These un-registered, disguised “covert channels,” what are more recently being called “shadow networks,” pose a huge security risk for your network. Most companies with IPv4 networks don’t have IPv6 security measures in place because they don’t realize that they need to distinguish their security settings for IPv4 vs IPv6. Even though these enterprises haven’t yet deployed IPv6 doesn’t mean they should not monitor and control the inevitable...
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Understanding IPv6 Connectivity: Teredo Tunnels

Understanding IPv6 Connectivity: Teredo Tunnels   With the impending release of the XBOX One which is being discussed as the short-term driver for ISPs to deliver IPv6, there has been much more discussion lately around the use of Teredo tunnels for connecting IPv6 over providers that still aren’t ready . Teredo is a per-host tunneling technique for transporting IPv6 packets behind NAT devices over IPv4.  IPv6 packets are encapsulated into IPv4 packets with a UDP header containing a destination address of a Teredo server using the well-known UDP port 3544. The default Teredo server for windows has been teredo.ipv6.microsoft.com. (94.245.121.251) All tunnels to Teredo clients share the same IPv6 prefix: 2001:0::/32 followed by the IPv4 address of the Teredo server.  In the Microsoft case, 94.245.121.251 is represented in hexadecimal quads as 5ef5:79fb, and...
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