This two-day Server Load Balancing course introduces the concepts of SLB from the reasons to implement, through the basics and then onto details studies of load distribution, health checks, layer 7 switching and Global SLB.
Anyone working with SLB.
Concept, reasons, benefits, alternatives. Other features: Security, Caching.
Architectures, Virtual servers, real servers, Virtual IP address, health checks. DNS load balancing. Packet walk using SLB.
6 modes of bonding and load balancing without SLB. ISP load balancing. Health. Distribution policies: Round Robin, least connections, weighted distributions, response time, other variations. Persistent versus concurrent.
L2 SLB, L3 SLB, single arm SLB, DSR, more packet walking, TCP versus UDP, Port numbers.
Persistence. Cookie switching, Cookie hashing, Cookie insertion, URL switching, URL Hashing, SSL.
Layer 3: ARP, ping. Layer 4: SYN, UDP. Layer 7: HTTP GET, Status codes, HTTP keepalives, content verification, SSL. Other application keepalives. What to do after failure and recovery.
DOS attack protection, SYN attack protection, Rate limiting: connections, transactions. SSL offload.
Hot standby, Active standby, Active active. Stateful, stateless. VRRP, STP.
Anycasting. DNS, TTL, DNS load balancing, problems with DNS load balancing,. HTTP redirect, health, thresholds, round trip times, location.
"Able to customise course which was excellent."
"Great course for such a huge and important topic."
This structured training course seeks to build upon workbook learning through the use of group exercises, dynamic discussion and individual tasks in order to deliver an engaging and interactive module that will ensure all candidates are able to transfer their new skills into the workplace.