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Introduction to Packet Accelerator (PA)

Introduction to Packet Accelerator (PA). The 7 layers of OSI (Open Systems Interconnection). 7 Application Layer 6 Presentation Layer 5 Session Layer 4 Transport Layer 3 Network Layer 2 Data Link Layer 1 Physical Layer. Layer 4 - UDP , TCP, DCCP, SCTP. Some Common Ports.

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Introduction to Packet Accelerator (PA)

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  1. Introduction toPacket Accelerator (PA)

  2. The 7 layers of OSI (Open Systems Interconnection) 7 Application Layer 6 Presentation Layer 5 Session Layer 4 Transport Layer 3 Network Layer 2 Data Link Layer 1 Physical Layer

  3. Layer 4 - UDP, TCP, DCCP, SCTP Some Common Ports

  4. Layer 3 - Ipv4, Ipv6, ICMP, ICMPv6, ECN,IGMP IpSec (tunneling) – encryption of the IP addresses and assign new IP addresses (virtual Private Network) Same destination might have multiple new IP addresses

  5. Layer 2 - Ethernet 802.3, Token Ring 802.5, PPP, X.25, FDDI, ISDN, Frame Relay ECN,IGMP

  6. Sending and receiving a packet

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