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VxLAN & Openflow Controller Role 7 Jul 2013 | 07:59 am
Background In one of previous posts here, I argued that there is no need for Openflow controller to realize virtual networks. In the same post, I also mentioned that Openflow controller is requi...
Linux OVS & VxLAN based virtual networks 5 Jul 2013 | 05:54 am
OVS (www.openvswitch.org) is the Openflow switch implementation in Linux. It implements various OF versions including 1.3. OVS has support to realize virtual networks using VLAN and GRE for a long t...
L4 Switching Requirements & Openflow extensions 1 Jan 2013 | 08:41 am
Introduction L4 switching typically involves connection tracking, NAT and common attack checks. Stateful inspection firewalls, NAT, URL filtering and SLB (Server Load Balancing) are some of th...
L2 Network Virtualization & Is there a role for Openflow controllers? 30 Dec 2012 | 12:22 am
Introduction Current Method of Network Virtualization IaaS (Cloud Service Providers) providers do provide network isolation among their tenants. Even Enterprise private cloud operators are incr...
IP Fragmentation versus TCP segmentation 23 Jan 2012 | 12:13 pm
Ethernet Controllers are increasingly becoming more intelligent with every generation of NICs. Intel and Broadcom have added many features in Ethernet NIC chips in recent past. Multicore SoC vendors...
SAMLv2 mini-tutorial and some good resources 22 Jan 2012 | 01:07 pm
Why SAML (Security Assertion Markup Language)? Single Sign-On: Many organizations have multiple intranet servers with web front end. Though all servers interact with common authentication database...
Need for Pattern Matching Accelerators in UTM devices 22 Jan 2012 | 10:04 am
Network security term typically refers to Threat prevention and Security on the wire. Threat protection is normally achieved with multiple security technologies. Basic protection is achieved from fi...
Locator and Identifier Seperation Protocol (LISP) - One more tunnel protocol 1 Jan 2012 | 08:02 pm
In 2012, I think that there would be focus on two technologies in network infrastructure market - SDN and LISP (Locator and Identifier Separation Protocol). LISP work is going on for few years and i...
Table Centric Processing and Openflow 20 Dec 2011 | 05:42 pm
Software in Embedded network appliances consists of multiple entities - Management Plane (MP), Control Plane (CP) and Data Plane (DP). Some examples of network appliances include routers, switches, ...
VXLAN (Virtual eXtensible LAN) - Virtual Data Centers - Tutorial 20 Dec 2011 | 02:36 pm
VMWare with contributions from Cisco, Citrix, Broadcom, Arista networks released IETF VXLAN draft which is a protocol to enable multiple L2 virtual networks over a physical infrastructure. Please fin...
