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Recent Posts Tagged With 'Networking'
DHCP Message Format
The fields in the DHCP message are the following:• Message Op Code (Op) A 1-byte field that indicates whether the message is a request(set to 1) or a reply (set to 2).• Hardware Address Type (Htype). A 1-byte field that indicates the type of hard...
Planning for IPv6 Transition Technologies
You will need to use one or more IPv6 transition technologies during the IPv6 migration process. The below provide planning information for ISATAP, 6to4, and Teredo.ISATAPBy default, ISATAP hosts will obtain the IPv4 address of the ISATAP router by u...
Migrating to IPv6
Upgrading to an exclusively IPv6 environment should be a long-term goal. You will need to follow these general steps (with proper testing prior to any implementation) to migrate to IPv6:1. As you deploy new computers or operating systems, configure t...
DHCP Messages
DHCP clients and DHCP servers communicate by exchanging DHCP messages. There are eight types of DHCP messages, all of which are sent as User Datagram Protocol (UDP) messages. DHCP clients in the process of obtaining an IP address configuration use br...
The Disadvantages of IPv4
On today’s Internet, IPv4 has the following disadvantages:• Limited address space. The most visible and urgent problem with using IPv4 on the modern Internet is the rapid depletion of public addresses. Due to the initial address class allocation ...
User Datagram Protocol (UDP)
UDP, defined in RFC 768, has the following characteristics:• Connectionless Nodes send UDP messages, consisting of a UDP header and a message, without having to negotiate a connection between communicating peers.• Unreliable Nodes send UDP messag...
